csnt 180 wireless networking meeting 13 norman...
TRANSCRIPT
Copyright (c) 2010 Servin Corporation. http://servin.com 1
CSNT 180Wireless Networking
Meeting 13
Norman [email protected]
Founder, Servin Corporation, http://servin.comTechnology Training for
Technology ProfessionalsTM
Copyright (c) 2010 Servin Corporation 3
Opening Remarks
● Welcome!● Thank You!● Today's Agenda
● Return Quiz● Discuss Schedule● Review Book● Quiz 13
Copyright (c) 2010 Servin Corporation 4
Textbook Status Check
We have completed the book!
Read/Re-read the ChaptersBe Sure To Do The Review Questions
Copyright (c) 2010 Servin Corporation 5
Course Roadmap – SummaryCertified Wireless Technology Specialist
● Ch 1. Introduction● Ch 2. Wireless LAN Infrastructure Devices● Ch 3. Wireless LAN Client Devices● Ch 4. Radio Frequency (RF) Fundamentals
and Spread Spectrum Technology● Ch 5. Access Methods, Architectures, and
Spread Spectrum Technology● Ch 6. WLAN Antennas and Accessories
Copyright (c) 2010 Servin Corporation 6
Course Roadmap – SummaryCertified Wireless Technology Specialist
● Ch 7. WLAN Terminology and Technology● Ch 8. Planning a WLAN Site Survey● Ch 9. Performing a WLAN Site Survey● Ch 10. WLAN Security● Ch 11. Troubleshooting and Maintaining
Wireless Networks
Copyright (c) 2010 Servin Corporation. http://servin.com 7
Schedule for Remainder of Year
● Today - Friday Dec 3 – Review● Everyone takes the final quiz today● However, some of you will be DONE after today!
– If you have (1) attended every class and (2) have an almost perfect 100 score then I will call your name and you are done --- With A Solid A in the course!
● Friday Dec 9 – Final Wireless Exam● Those who are on the next slides do not need to
come on Friday Dec 9 – You already have an A!
Copyright (c) 2010 Servin Corporation. http://servin.com 8
Final Grade Options
● Option 1 – Take the CWTS Certification Exam● The CWTS Certification Exam Grade becomes your
final grade in the course● Print and bring your exam score to class!
● Option 2 – You take final exam from this course and receive grade from quizzes and final exam● Final Exam: 25%● Quizzes: 75% (remember 2 quizzes are dropped)
Copyright (c) 2010 Servin Corporation. http://servin.com 9
The Following 8 People Accomplished The Following Fantastic Performance by
1. Attending EVERY class!2. Make 100 on almost every quiz!
3. Average Quiz Score of 99+
Copyright (c) 2010 Servin Corporation. http://servin.com 10
Congratulations to
Richard Cobb
1. Attended EVERY class!2. Made 100 on almost every quiz!
3. Average Quiz Score of 100
Copyright (c) 2010 Servin Corporation. http://servin.com 11
Congratulations to
Ming Du
1. Attended EVERY class!2. Made 100 on almost every quiz!
3. Average Quiz Score of 100
Copyright (c) 2010 Servin Corporation. http://servin.com 12
Congratulations to
Thad Giotta
1. Attended EVERY class!2. Made 100 on almost every quiz!
3. Average Quiz Score of 100
Copyright (c) 2010 Servin Corporation. http://servin.com 13
Congratulations to
Rick Good
1. Attended EVERY class!2. Made 100 on almost every quiz!
3. Average Quiz Score of 100
Copyright (c) 2010 Servin Corporation. http://servin.com 14
Congratulations to
Dubravko Mak
1. Attended EVERY class!2. Made 100 on almost every quiz!
3. Average Quiz Score of 99
Copyright (c) 2010 Servin Corporation. http://servin.com 15
Congratulations to
Dan Perreault
1. Attended EVERY class!2. Made 100 on almost every quiz!
3. Average Quiz Score of 99
Copyright (c) 2010 Servin Corporation. http://servin.com 16
Congratulations to
Mark Sharp
1. Attended EVERY class!2. Made 100 on almost every quiz!
3. Average Quiz Score of 99
Copyright (c) 2010 Servin Corporation. http://servin.com 17
Congratulations to
Van Can Tran
1. Attended EVERY class!2. Made 100 on almost every quiz!
3. Average Quiz Score of 100
Copyright (c) 2010 Servin Corporation 20
Time for Review Questions!
● The Procedure● I'll ask you the question● If you know the answer, share it with the class● If you do not know the answer, just say “Pass” and
I'll call on the next person
Copyright (c) 2010 Servin Corporation 22
Chapter 4 Question
● What can have a negative effect on the capacity of an IEEE 802.11g wireless LAN AP?● A. Reflections from furniture● B. Frequency range in use● C. Number of associated users● D. Output power of the AP
Copyright (c) 2010 Servin Corporation 23
Chapter 7 Question
● A beacon is an example of what type of frame used in IEEE 802.11 wireless LAN?● A. Control● B. Management● C. Data● D. Null Function
Copyright (c) 2010 Servin Corporation 24
Chapter 9 Question
● The manual site survey process allows the site surveyor to perform the survey in one of two modes. Select the two modes:● A. Passive● B. Visual● C. Predictive● D. Active● E. Placement
Copyright (c) 2010 Servin Corporation 25
Chapter 6 Question
● Antenna diversity will ____.● A. Provide an RF signal additional range● B. Reduce the effects of multipath● C. Increase the effects of VSWR● D. Provide active gain
Copyright (c) 2010 Servin Corporation 26
Chapter 1 Question
● Wi-Fi Protected Access 2 (WPA 2.0) requires ___ for the cipher suite and ___ for the encryption mechanism.● A. TKIP, RC4● B. TKIP, RC5● C. WEP, RC4● D. CCMP, RC4● E. CCMP, AES
Copyright (c) 2010 Servin Corporation 27
Chapter 6 Question
● An antenna will propagate RF energy in specific radiation patterns, both horizontal and vertical. How do antenna manufacturers identify the horizontal radiation pattern?● A. Elevation● B. Azimuth● C. Dipole● D. Longitude
Copyright (c) 2010 Servin Corporation 28
Chapter 10 Question
● A virtual private network (VPN) operations at what layer of the OSI model?● A. Physical Layer, Layer 1● B. Data Link Layer, Layer 3● C. Network Layer, Layer 3● D. Transport Layer, Layer 4● E. Application Layer, Layer 7
Copyright (c) 2010 Servin Corporation 29
Chapter 5 Question
● Some common wireless personal network (WPAN) devices such as Bluetooth use a communications technology that has the potential to interfere with IEEE 802.11 wireless LANs. What is the name for that technology?● A. FHSS● B. DSSS● C. HR/DSSS● D. HR/FHSS● E. ERP-OFDM
Copyright (c) 2010 Servin Corporation 30
Chapter 11 Question
● What could cause low throughput in an 802.11 wireless network?● A. Access point output power too high● B. Too many associated client devices● C. Load-balancing features are moving clients● D. The clients are too close to the AP
Copyright (c) 2010 Servin Corporation 31
Chapter 2 Question
● If an autonomous AP is set to what is commonly referred to as root mode, it will be able to perform which function?● A. Connect to a DS and allows client devices to
send info to other devices● B. Connect to a DS as a root bridge and allow two
or more LANs to connect wirelessly● C. Connect to a DS but is seldom used as this
mode requires extensive configuration● D. Connect to a DS as a repeater for RF
Copyright (c) 2010 Servin Corporation 32
Chapter 10 Question
● What Layer 2 security mechanisms are week and should not be used with IEEE 802.11 WLAN? (Choose 3)● A. SSID Hiding● B. WPA● C. VPN● D. WEP● E. WPA 2.0● F. RBAC (Role-based Access Control)● G MAC filter
Copyright (c) 2010 Servin Corporation 33
Chapter 7 Question
● The SSID is is also know as:● A. The name of the WLAN Network● B. The MAC Address of the Radio● C. The name of the AP● D. The Wireless Medium Identifier
Copyright (c) 2010 Servin Corporation 34
Chapter 4 Question
● Which RF channels are considered non-overlapping for 802.11g?● A. 1 and 4● B. 6 and 9● C. 1 and 6● D. 3 and 7● E. 11 and 13
Copyright (c) 2010 Servin Corporation 35
Chapter 9 Question
● What is the advantage a predictive site survey over a manual site survey for a 150,000 square foot office building?● A. Predictive site survey is more accurate● B. Predictive site survey takes less time for 150K
square foot area● C. Predictive site survey has better data models● D. Predictive site survey allows you to try different
settings such as power, channels, without the need of physical visit.
Copyright (c) 2010 Servin Corporation 36
Chapter 6 Question
● What is the horizontal angle of measurement in degress of an omnidirectional antenna with a gain of 2.2 dBi?● A. 90● B. 180● C. 270● D. 360● E. 0
Copyright (c) 2010 Servin Corporation 37
Chapter 5 Question
● An HR/DSSS channel used to transmit data on an IEEE 802.11g WLAN is ____ wide● A. 2.5 GHz● B. 5.1 GHz● C. 11 Mhz● D. 22 Mhz
Copyright (c) 2010 Servin Corporation 38
Chapter 7 Question
● An IBSS (Independent Basic Service Set) requires a minimum of how many APs?● A. 0● B. 1● C. 2● D. 3
Copyright (c) 2010 Servin Corporation 39
Chapter 10 Question
● What does the term authenticator identify in an IEEE 802.1X secure network?● A. The RADIUS server● B. The AP● C. The client device● D. The RAS Server
Copyright (c) 2010 Servin Corporation 40
Chapter 2 Question
● Wireless repeaters are devices in wireless networking that are ____.● A. Used to extend the RF cell● B. Use to repeat and strengthen the RF signal for
better performance● C. Use as a backup solution in the event of AP
failure● D. Use to increase bandwidth of a WLAN
Copyright (c) 2010 Servin Corporation 41
Chapter 6 Question
● What can contribute to VSWR (Voltage Standing Wave Ratio) in a IEEE 802.11g WLAN?● A. Output power of the AP● B. Impedance mismatch● C. Gain of an antenna● D. If the cable is a ghost cable
Copyright (c) 2010 Servin Corporation 42
Chapter 5 Question
● Which IEEE 802.11 standard or amendment can use three radio chains per band and multiple input/output (MIMO) to transmit data?● A. 802.11● B. 802.11a● C. 802.11b● D. 802.11g● E. 802.11n
Copyright (c) 2010 Servin Corporation 43
Chapter 1 Question
● The amount of output power and usable frequency ranges for WLAN devices is determined by:● A. Wi-Fi Alliance● B. Regulatory Domain Governing Bodies● C. IEEE● D. Individual Vendors
Copyright (c) 2010 Servin Corporation 44
Chapter 7 Question
● Open system authentication is ___ in an IEEE 802.11 WLAN network.● A. Flawed● B. Optional● C. Secure● D. Required
Copyright (c) 2010 Servin Corporation 45
Chapter 7 Question
● Shared key authentication is ___ and ___ in an IEEE 802.11 WLAN network.● A. New and Improved● B. Slow and Steady● C. Useful and Required● D. Legacy and Flawed
Copyright (c) 2010 Servin Corporation 46
Chapter 10 Question
● PIN-based WLAN security is ___.● A. Addressed in the Wi-Fi Protected Setup
Certification● B. Required by the 802.11i amendment● C. Best used in enterprise WLAN networks● D. A multifactor (e.g. something you have and
something you know) authentication mechanism for WLANs
Copyright (c) 2010 Servin Corporation 47
Chapter 2 Question
● Which statement is accurate regarding mesh APs?● A. Mesh is a legacy technology● B. In a full mesh network, all nodes connect
together with at least 2 paths for every node.● C. Mesh APs are unreliable● D. Mesh APs require a separate radio for
communication and are hence costly to implement
Copyright (c) 2010 Servin Corporation 48
Chapter 11 Question
● What could be the cause of intermittent connectivity for a WLAN client in an 802.11g WLAN network?● A. A weak received signal strength on the client● B. A signal-to-noise ratio of 35 dB● C. The AP power is set too high and overpowering
the client● D. The radio on the client is disabled
Copyright (c) 2010 Servin Corporation 49
Chapter 4 Question
● IEEE 802.11g WLANs operate in which unlicensed RF band?● A. 902-928 MHz ISM● B. 2.4-2.5 GHz UNII● C. 5 GHz UNII● D. 5 GHZ MAXI● E. 2.4-2.5 GHz ISM
Copyright (c) 2010 Servin Corporation 50
Chapter 9 Question
● What will a protocol analyzer do during a manual site survey?● A. Nothing. This tool is not used with manual site
surveys● B. Help locate sources of RF interference● C. Identify existing WLANs● D. Describe security requirements● E. Send SPAM to APs
Copyright (c) 2010 Servin Corporation 51
Chapter 9 Question
● What will a spectrum analyzer do during a manual site survey?● A. Nothing. This tool is not used with manual site
surveys● B. Help locate sources of RF interference● C. Identify existing WLANs● D. Describe security requirements● E. Send SPAM to APs
Copyright (c) 2010 Servin Corporation 52
Chapter 5 Question
● The access method that an IEEE 802.11a WLAN would use to get control of the WLAN in order to transmit data is called ____.● A. CSMA/CD● B. FHSS● C. HR/DSSS● D. CSMA/CA● E. CSMA/DSSS
Copyright (c) 2010 Servin Corporation 53
Chapter 1 Question
● Which amendment to the 802.11 standard operates in the 2.4 GHz ISM band and supports data rates up to 54 Mpbs?● A. 802.11a● B. 802.11b● C. 802.11g● D. 802.11n
Copyright (c) 2010 Servin Corporation 54
Question
● What is the definition of WPA and WPA 2.0?● A. Wi-Fi Provisional Access● B. Wi-Fi Protected Access● C. Wireless Provisional Access● D. Wireless Protected Access
Copyright (c) 2010 Servin Corporation 55
Question
● The access method that an IEEE 802.11a wireless network would use to get control of the wireless medium in order to transmit data is called what?● A. CSMA/CD● B. FHSS● C. HR/DSSS● D. CSMA/CA● E. CSMA/DSSS
Copyright (c) 2010 Servin Corporation 56
Question
● What is the definition of RBAC?● A. Root Backdoor Access Control● B. Repeating Backlog Access Control● C. Role Based Access Control● D. Root Based Access Control
Copyright (c) 2010 Servin Corporation 57
Question
● IEEE 802.11g WLANs operate in which RF band?● A. 902-928 MHz ISM● B. 2.4000 – 2.500 GHz UNII● C. 5.725 – 5.350 GHz UNII● D. 2.400 – 2.500 GHz ISM
Copyright (c) 2010 Servin Corporation 58
Question
● Both ___ and ___ support shared key security.● A. WPA 2 Personal● B. WPA 2 Enterprise● C. 802.1X/EAP● D. WEP● E. WPA Enterprise
Copyright (c) 2010 Servin Corporation 59
Question
● Which statement is accurate regarding mess access points and mesh technology?● A. Mesh is a legacy technology● B. In a full mesh network, all nodes connect
together with at least two paths for every node● C. Mesh APs are unreliable and are single point of
failure● D. Mesh APs require a separate radio for
communication
Copyright (c) 2010 Servin Corporation 60
Question
● Which security feature provides the strongest security for a home-based WLAN?● SSID Hiding● Passphrase● MAC Filtering● 64-bit WEP● 128-bit WEP● 256-bit WEP
Copyright (c) 2010 Servin Corporation 61
Question
● The amount of power and usable frequency ranges for wireless devices is determined by which organization?● A. Wireless Society of Interested Persons● B. Wi-Fi Alliance● C. IEEE● D. Regulatory domain governing bodies
Copyright (c) 2010 Servin Corporation 62
Question
● You are at a public WLAN hotspot and need to access your corporate LAN. The most secure connection would be:● Passphrase Security● WEP● SSID Hiding● VPN● 802.1X/EAP● RADIUS
Copyright (c) 2010 Servin Corporation 63
Question
● Which IEEE 802.11 standard or amendment uses three radio chains per band and MIMO to transmit data?● 802.11a● 802.11b● 802.11g● 802.11n
Copyright (c) 2010 Servin Corporation 64
Question
● A ___ filter is used to allow or deny wireless barcode readers on a 802.11b/g network.● WEP● IPSec● SSID● RF● MAC● VPN
Copyright (c) 2010 Servin Corporation 65
Question
● Open system authentication is ____ in an 802.11 WLAN● Flawed● Optional● Secure● Required
Copyright (c) 2010 Servin Corporation 66
Question
● This is IEEE standard is related to security● 802.11● 802.11a● 802.11b● 802.11e● 802.11g● 802.11i● 802.11n
Copyright (c) 2010 Servin Corporation 67
Question
● An independent basic service set requires a minimum of how many APs?● 0● 1● 2● 3
Copyright (c) 2010 Servin Corporation 68
Question
● The original 802.11 spec includes this optional security feature:● WEP● CCMP● TKIP● VPN● PPTP● IPSec
Copyright (c) 2010 Servin Corporation 69
Question
● 802.11i requires:● WEP● CCMP● TKIP● VPN● PPTP● IPSec
Copyright (c) 2010 Servin Corporation 70
Question
● An HR/DSSS channel used to transmit data on 802.11g WLAN is ____ wide.● 2.4 Ghz● 5.1 GHz● 11 Mhz● 22 Mhz
Copyright (c) 2010 Servin Corporation 71
Question
● VPN works at what layer of networking?● Layer 1 – Physical● Layer 2 – Data Link● Layer 3 – Network● Layer 4 – Transport● Layer 5 - Session● Layer 6 – Presentation● Layer 7 - Application
Copyright (c) 2010 Servin Corporation 72
Question
● An omnidrectional antenna has a horizontal radiation pattern of ____ degrees.● 0● 90● 180● 270● 360
Copyright (c) 2010 Servin Corporation 73
Question
● Select TWO items related to RADIUS● Remote Access Dial-In User Session● Remote Authentication Dial-in User Service● Username/password locally administered● Username/Password centrally administered● SSID Hiding● MAC Filtering
Copyright (c) 2010 Servin Corporation 74
Question
● You are a WLAN engineer hired to perform a predictive analysis site survey for a 150,000 square foot office building. What is the advantage of a predictive site survey?● Most accurate● Amount of time required is less than a manual
survey● Predictive analysis is approved by the FCC● Can be done remotely with a flashlight
Copyright (c) 2010 Servin Corporation 75
Question
● The 802.1X standard identifies the supplicant as another term for the:● Client Device● Access Point● RADIUS Server● WPA Device● WPA 2.0 Device
Copyright (c) 2010 Servin Corporation 76
Question
● The 802.1X standard identifies the authenticator as another term for the:● Client Device● Access Point● RADIUS Server● WPA Device● WPA 2.0 Device
Copyright (c) 2010 Servin Corporation 77
Question
● The 802.1X standard identifies the authentication server as another term for the:● Client Device● Access Point● RADIUS Server● WPA Device● WPA 2.0 Device
Copyright (c) 2010 Servin Corporation 78
Question
● Some command WPAN devices such as Bluetooth use a technology that may interfere with 802.11g. What is the name of the technology?● FHSS● DSSS● HR/FHSS● HR/DSSS
Copyright (c) 2010 Servin Corporation 79
Question
● The length of the WEP key is ___ or ___● 32-bits● 64-bits● 128-bits● 256-bits● 512-bits● 1024-bits
Copyright (c) 2010 Servin Corporation 80
Question
● How do antenna manufacturers identify the horizontal radiation pattern● Elevation● Azimuth● Dipole● Longitude
Copyright (c) 2010 Servin Corporation 81
Question
● A weakness of MAC filtering is:● Cracking of encryption● Spoofing of address● Forgetting password● Must have SSID Hiding enabled
Copyright (c) 2010 Servin Corporation 82
Question
● A beacon is an example of what type of frame used in a 802.11 WLAN?● Control● Management● Data● Null Function● Zero Function
Copyright (c) 2010 Servin Corporation 83
Question
● Antenna diversity will ___________.● Provide an RF signal less range● Provide an RF signal additional range● Reduce the effects of multipath● Increase the effects of multipath
Copyright (c) 2010 Servin Corporation 84
Question
● What are the TWO main objectives of a WLAN site survey?● Determine RF Coverage● Determine vendor of equipment● Determine RF Interference● Determine paint color of walls● Determine building height above sea level
Copyright (c) 2010 Servin Corporation 85
Question
● Antennas provide an increase in RF coverage by using what type of gain?● Active● Passive● Positive● Negative● MIMO
Copyright (c) 2010 Servin Corporation 86
Question
● Select the technology used in WLAN that uses the effects of multipath to provide up to 300 Mpbs.● DSSR● BlueWave● HR/DDDS● OFDM● MIMO
Copyright (c) 2010 Servin Corporation 87
Question
● WLAN cables and devices have an impedance of ___ ohms.● 5● 50● 500● 7.5● 75● 750
Copyright (c) 2010 Servin Corporation 88
Question
● A SSID has a maximum limit of how many characters?● 16● 32● 64● 128● Answer not listed
Copyright (c) 2010 Servin Corporation 89
Question
● In the 2.4 GHz ISM band, what distance between the center frequencies is required for two channels to be considered non-overlapping for HR/DSSS?● 5 MHz● 22 MHz● 25 MHz● 30 MHz● Answer not listed
Copyright (c) 2010 Servin Corporation 90
Question
● Which spec is about Quality of Service?● 802.11● 802.11a● 802.11b● 802.11e● 802.11g● 802.11i● 802.11n
Copyright (c) 2010 Servin Corporation 91
Question
● Which spec is about Security?● 802.11● 802.11a● 802.11b● 802.11e● 802.11g● 802.11i● 802.11n
Copyright (c) 2010 Servin Corporation 92
Question
● What are TWO characteristics of RF signals?● Amplitude● Reflection● Phase● Refraction● Diffraction
Copyright (c) 2010 Servin Corporation 93
Question
● How many non-overlapping channels are available in 2.4 GHz ISM band in USA?● 1● 2● 3● 4● 5● 6● 7
Copyright (c) 2010 Servin Corporation 94
Question
● Omnidirectional antennas have a horizontal beamwidth of how many degrees?● 45● 90● 180● 270● 360
Copyright (c) 2010 Servin Corporation 95
Question
● Select TWO definitions for BSS as it relates to Wi-Fi● Basis Stress Scale● Basic Simple Signaling● Basic Service Set● Single AP connected to a Distribution System● Multiple APs connected in a mess
Copyright (c) 2010 Servin Corporation 96
Question
● The FIRST step to becoming part of a BSS:● Authentication● Passive Scanning● Active Scanning● Competitive Scanning● Association● Voting
Copyright (c) 2010 Servin Corporation 97
Question
● The LAST step to becoming part of a BSS:● Authentication● Passive Scanning● Active Scanning● Competitive Scanning● Association● Voting
Copyright (c) 2010 Servin Corporation 98
Question
● Circle ONE standard that is NOT compatible with the others● 802.11● 802.11a● 802.11b● 802.11g
Copyright (c) 2010 Servin Corporation 99
Question
● Non Wi-Fi interference for an 802.11g network can be caused by __ and __.● AM radios● Microwave ovens● 802.11b networks● Cordless phones● 5 GHz Radar systems● TV systems
Copyright (c) 2010 Servin Corporation 100
Question
● A spectrum analyzer can be used to view:● Latest sports scores● Radio Frequency● Data Packets● Data Rates● Associated Press News Articles● Data Frames
Copyright (c) 2010 Servin Corporation 101
Question
● When performing a manual site survey, choose the best way to identify areas that lack RF coverage● Write your congressman● Form a picket line● Mark them with TuxTape● Post on YouTube● Document on the floor plan or blueprints● Point a finger and walk away
Copyright (c) 2010 Servin Corporation 102
Question
● A type of site survey that is software-based, requires minimum time-on site, and takes into consideration the attenuation value of materials such as walls and doors is:● Active● Passive● Predictive● Optional● Restrictive
Copyright (c) 2010 Servin Corporation 103
Question
● This antenna is good for use in a long hallway.● High-Gain Omnidirectional● Low-Gain Omnidirectional● Large Parabolic Dish● Yagi● Yoda● Yoga
Copyright (c) 2010 Servin Corporation 104
Question
● Choose TWO best actions when performing a manual site survey● Order lots of pizza● Walkthrough location● Predictive Analysis● Purchase Equipment● Configure Client Devices● Spectrum Analysis● Wear big boots
Copyright (c) 2010 Servin Corporation 106
Question
● The main objectives of a WLAN site survey are to determine ___ and ___.● RF Coverage● Cost of Equipment● RF Interference● Manufacturer's Equipment● Type of client devices to purchase
Copyright (c) 2010 Servin Corporation 107
Question
● The first step of a WLAN site survey is ____.● Determining RF coverage● Installing APs● Asking permission from the FCC● Gathering business requirements● Documenting existing networkings● Interviewing strangers as they pass by
Copyright (c) 2010 Servin Corporation 108
Question
● The ___ is a main factor in determining how many APs are required.● Political Orientation● Manufacturer of client devices● Number of client devices● Type of client device (laptop or desktop)
Copyright (c) 2010 Servin Corporation 109
Question
● To prevent an RF jamming attack focus on this type of security● VPN Security● Physical Security● Virtual Security● Data Security● AP Security
Copyright (c) 2010 Servin Corporation 110
Question
● Warehouse materials such as paint or other liquids can cause what type of RF behavior● Jittering● Refraction● Reflection● Diffraction● Absorption
Copyright (c) 2010 Servin Corporation 111
Question
● A 1500 sq ft sandwich shop with 15 users requires how many APs for a WLAN?● 1 AP per person● 2 APs per person (one for each ear)● 4 APs per person (one for each ear and one for
each foot)● Answer not listed
Copyright (c) 2010 Servin Corporation 112
Question
● Select all valid site survey questions● What is coverage area?● How many users?● Are the users old enough to vote?● What types of applications will be used?● Is a specific WLAN technology desired (802.11a?
802.11b?, etc. )● Are there existing WLAN devices?
Copyright (c) 2010 Servin Corporation 113
Question
● An office/enterprise WLAN deployment will most often use this type of antenna● Highly Directional● Semidirectional● Parabolic Disk● Omnidirectional
Copyright (c) 2010 Servin Corporation 114
Question
● A key issue for WLAN deployment in a manufacturing area that is:● Number of users● RF Coverage● RF Interference from machines● Security● Number of applications
Copyright (c) 2010 Servin Corporation 115
Question
● A key issue for WLAN deployment in a warehouse is:● Number of users● RF Coverage● RF Interference● Types of materials stored in the warehouse● Security● Number of applications
Copyright (c) 2010 Servin Corporation 116
Question
● A key issue for WLAN deployment in a retail/POS area is:● Number of users● RF Coverage● RF Interference● Security● Number of applications
Copyright (c) 2010 Servin Corporation 117
Question
● A key issue for WLAN deployment in a medical/Hospital area is:● Number of users● RF Coverage● RF Interference from medical instruments● Security● Number of applications
Copyright (c) 2010 Servin Corporation 118
Question
● A key issue for WLAN deployment in the Military is:● Number of users● RF Coverage● RF Interference● Security● Number of applications
Copyright (c) 2010 Servin Corporation 119
Question
● A key issue for WLAN deployment in public Hot Spots/Hotel is:● Number of users● RF Coverage● RF Interference● Security● Number of applications● Ease of connection from many different client
devices
Copyright (c) 2010 Servin Corporation 121
Question
● WLANS may be configured in two major modes. Select the TWO modes as defined in the book in Chapter 7.● SOHO Mode● Ad Hoc Mode● Enterprise Mode● Infrastructure Mode
Copyright (c) 2010 Servin Corporation 122
Question
● Which of the following relate to IBSS● Independent Binary Serial Service● Independent Basic Service Set● Peer-to-Peer● Requires AP● Requires SSID● Requires Security● Requires Channel
Copyright (c) 2010 Servin Corporation 123
Question
● Select TWO ways to refer to the SSID● Serial Service ID● Service Set ID● Network Name● Network Security
Copyright (c) 2010 Servin Corporation 124
Question
● A SSID has a max of how many characters?● 8● 16● 32● 64● 128
Copyright (c) 2010 Servin Corporation 125
Question
● A WLAN that hides the SSID is called a● Secure Network● Closed Network● Open Network● SSID Network
Copyright (c) 2010 Servin Corporation 126
Question
● Select all the advantages of IBSS● Centralized Control● Easy To Configure● Enterprise Security● No Requirement for AP● Highly Scalable
Copyright (c) 2010 Servin Corporation 127
Question
● A network infrastructure is also known as a ___.● SSID● BSSID● Distribution System● WLAN● Answer not listed
Copyright (c) 2010 Servin Corporation 128
Question
● Select all that relate to BSS● Binary Serial Service● Basic Service Set● Requires AP● AP is connected to DS
Copyright (c) 2010 Servin Corporation 129
Question
● Select all advantages of BSS● Does not require AP● Scalable – Add more APs● Centralized Admin● Ad Hoc● Security
Copyright (c) 2010 Servin Corporation 130
Question
● Select all that relate to ESS● Extended Serial Service● Extended Service Set● Two or more BSSs connected to common DS● Two or more IBSSs connected to common DS● Proprietary Implementations
Copyright (c) 2010 Servin Corporation 131
Question
● The first phase of 802.11 discovery phase is:● Passive Scanning● Active Scanning● Authentication● Association
Copyright (c) 2010 Servin Corporation 132
Question
● During this phase the WLAN device sends out a Probe Request Frame● Passive Scanning● Active Scanning● Authentication● Association
Copyright (c) 2010 Servin Corporation 133
Question
● Select the TWO types of device authentication used by 802.11● Closed Authentication● Open System Authentication● Shared Key Authentication● Secure Shell Authentication
Copyright (c) 2010 Servin Corporation 134
Question
● Which WLAN device authentication should be avoided (and is not offered by some vendors)?● Open System Authentication● Shared Key Authentication
Copyright (c) 2010 Servin Corporation 135
Question
● The ___ phase is the final step to becoming part of the BSS.● Passive Scanning● Active Scanning● Authentication● Association● Username/Password Login
Copyright (c) 2010 Servin Corporation 136
Question
● What is the difference between a DS and a WDS● The DS connects BSS using WLAN instead of
Ethernet● The WDS connects BSS using WLAN instead of
Ethernet● There is no difference; DS and WDS mean the
same thing
Copyright (c) 2010 Servin Corporation 137
Question
● The maximum data rate of HT-OFDM is● 1 Mbps● 2 Mbps● 11 Mbps● 54 Mbps● 300 Mbps
Copyright (c) 2010 Servin Corporation 138
Question
● The maximum data rate of ERP-OFDM is● 1 Mbps● 2 Mbps● 11 Mbps● 54 Mbps● 300 Mbps
Copyright (c) 2010 Servin Corporation 139
Question
● The maximum data rate of HR/DSSS is● 1 Mbps● 2 Mbps● 11 Mbps● 54 Mbps● 300 Mbps
Copyright (c) 2010 Servin Corporation 140
Question
● Is Data Rate or Throughput more useful to determine the actual amount of data that can be transferred in a given block of time?● Data Rate● Throughput
Copyright (c) 2010 Servin Corporation 141
Question
● ___ is what happens when a WLAN device moves from one BSS to another● Association● Authentication● Roaming● Passive Scanning● Active Scanning
Copyright (c) 2010 Servin Corporation 142
Question
● Select the TWO power modes specified by the original 802.11 standard● Active Mode (AM)● Power Save Mode (PS)● Battery Mode (BAT)● Low Power Mode (LPM)
Copyright (c) 2010 Servin Corporation 143
Question
● ___ uses a trigger frame to wake device to receive data.● Active Mode● Power Save Mode● Automatic Power Save Delivery● WMM-PS Mode● Power Beam Mode
Copyright (c) 2010 Servin Corporation 145
Question
● Omnidirectional antennas have a horizontal beamwidth of ____ degrees.● 90● 180● 270● 360
Copyright (c) 2010 Servin Corporation 146
Question
● Antennas provide an increase in RF coverage by providing what kind of gain?● Dynamic● Static● Active● Passive
Copyright (c) 2010 Servin Corporation 147
Question
● Horizontal beamwidth is ____ to the earth's surface● Parallel● Perpendicular● Positive● Negative
Copyright (c) 2010 Servin Corporation 148
Question
● WLAN cables have an impedance of ___ ohms.● 10● 25● 50● 75
Copyright (c) 2010 Servin Corporation 149
Question
● The curvature of the earth will have an impact on WLAN signal after ___ miles● 2● 4● 7● 14
Copyright (c) 2010 Servin Corporation 150
Question
● An azimuth chart shows shows which RF radiation pattern?● Vertical● Horizontal● Positive● Negative
Copyright (c) 2010 Servin Corporation 151
Question
● Choose TWO of the following that cause a loss of WLAN signal strength● Antenna● Amplifier● Cable● Connector
Copyright (c) 2010 Servin Corporation 152
Question
● A point-to-point WLAN requires what percent of the Fresnel zone to be clear?● 40● 60● 120● 180
Copyright (c) 2010 Servin Corporation 153
Question
● ___ is the shape of RF energy emitted from an antenna.● Horizontal● Vertical● RF Lobe● Impedance
Copyright (c) 2010 Servin Corporation 154
Question
● ___ is the measure of the main RF lobe at half-power point. ● Impedance● Beamwidth● Frequency● Attenuation
Copyright (c) 2010 Servin Corporation 155
Question
● What TWO charts are used to measure beamwidth?● Azimuth Chart● Vertical Chart● Positive Chart● Negative Chart
Copyright (c) 2010 Servin Corporation 156
Question
● What chart shows a “birds eye view”?● Azimuth Chart● Vertical Chart● Positive Chart● Negative Chart
Copyright (c) 2010 Servin Corporation 157
Question
● What chart shows a “side view”?● Azimuth Chart● Vertical Chart● Positive Chart● Negative Chart
Copyright (c) 2010 Servin Corporation 158
Question
● ___ is the change in coverage that is a result of the antenna focusing the area of RF propagation. ● Gain● Loss● Attenuation● Power Amplification
Copyright (c) 2010 Servin Corporation 159
Question
● ___ is the increase in signal strength by using an external amplifier● Passive Gain● Beamwidth Gain● Active Gain● Rain Gain
Copyright (c) 2010 Servin Corporation 160
Question
● To maximize signal strength:● Transmitter and receiver antennas should be
polarized in the same direction● Transmitter and receiver antennas should be
polarized in the opposite direction● Transmitter and receiver should be painted the
same color● Transmitter and receiver should be made out of the
same material
Copyright (c) 2010 Servin Corporation 161
Question
● Select THREE types of WLAN antennas● Flat Force Directional● Omnidirectional● All Way Directional● Semidirectional● Highly Directional
Copyright (c) 2010 Servin Corporation 162
Question
● Which of the following are semidirectional antennas● Rubber Duck Antenna● Patch/Panel Antenna● Sector Antenna● Yagi [yah gee] Antenna● MiMo Antenna
Copyright (c) 2010 Servin Corporation 163
Question
● This type of antenna is often used for long-range point-to-point bridging● Point-to-Point Bridge Antenna● Omnidirectional Antenna● Semidirectional Antenna● Highly Directional Antenna● MiMi Antenna
Copyright (c) 2010 Servin Corporation 165
Question
● IEEE 802.11 a/b/g devices use what type of communication?● A. Half-duplex● B. Full-duplex● C. Quad-duplex● D. HaHa-Plex
Copyright (c) 2010 Servin Corporation 166
Question
● Define FHSS● A. Fast Half Spread Spectrum● B. Frequency-Hopping Spread Spectrum● C. Frequency-Hopping Super Spectrum● D. Frequency-Hopper Spread Spectrum
Copyright (c) 2010 Servin Corporation 167
Question
● Which 802.11 standard uses FHSS?● A. 802.11● B. 802.11b● C. 802.11a● D. 802.11g● E. 802.11n
Copyright (c) 2010 Servin Corporation 168
Question
● Define DSSS● A. Direct Sequence Spread Spectrum● B. Different Sequence Spread Spectrum● C. Differential Spread Spectrum Sequence● D. Difficult Sequence Some Say
Copyright (c) 2010 Servin Corporation 169
Question
● Which 802.11 standard uses DSSS?● A. 802.11● B. 802.11b● C. 802.11a● D. 802.11g● E. 802.11n
Copyright (c) 2010 Servin Corporation 170
Question
● Define HR/DSSS● A. Half Rate / DSSS● B. Half Run / DSSS● C. High Return / DSSS● D. High Rate / DSSS
Copyright (c) 2010 Servin Corporation 171
Question
● Which 802.11 standard uses HR/DSSS?● A. 802.11● B. 802.11b● C. 802.11a● D. 802.11g● E. 802.11n
Copyright (c) 2010 Servin Corporation 172
Question
● Define OFDM● A. Often Fast Double Modulation● B. Orthogonal Flipping During Modulation● C. Orthogonal Frequency Division Multiplexing● D. Original Frequency Division Multiplexing
Copyright (c) 2010 Servin Corporation 173
Question
● Which 802.11 standard uses OFDM?● A. 802.11● B. 802.11b● C. 802.11a● D. 802.11g● E. 802.11n
Copyright (c) 2010 Servin Corporation 174
Question
● Define ERP-OFDM● A. Extended Rate Physical - OFDM● B. Extra Rapid Physical - OFDM● C. Extreme Rate Protocol - OFDM● D. Extended Rate Protocol - OFDM
Copyright (c) 2010 Servin Corporation 175
Question
● Which 802.11 standard uses ERP-OFDM?● A. 802.11● B. 802.11b● C. 802.11a● D. 802.11g● E. 802.11n
Copyright (c) 2010 Servin Corporation 176
Question
● Define HT-OFDM● A. Half Throughput - OFDM● B. High Tower - OFDM● C. Half Time - OFDM● D. High Throughput - OFDM
Copyright (c) 2010 Servin Corporation 177
Question
● Which 802.11 standard uses HT-OFDM?● A. 802.11● B. 802.11b● C. 802.11a● D. 802.11g● E. 802.11n
Copyright (c) 2010 Servin Corporation 178
Question
● Select the TWO answers below that relate best to DSSS● A. FCC● B. 2.4 GHz● C. 5 GHz● D. 802.11● E. OFDM
Copyright (c) 2010 Servin Corporation 179
Question
● How many 802.11b APs can be co-located without channel reuse to maximize throughput while minimizing RF interference?● A. 1● B. 2● C. 3● D. 4● E. 6
Copyright (c) 2010 Servin Corporation 180
Question
● Select the two answers below that help to describe MIMO.● A. Low frequency● B. High frequency● C. Multiple Radio Chains● D. Multiple Antennas● E. Multiple Security Levels
Copyright (c) 2010 Servin Corporation 181
Question
● Which answer below uses MIMO?● A. 802.11● B. 802.11a● C. 802.11b● D. 802.11g● E. 802.11n
Copyright (c) 2010 Servin Corporation 182
Question
● What WLAN technology sends data using many subcarrier frequencies?● A. Wireless broadband● B. Narrowband● C. Spread Spectrum● D. Spectral Masking● E. Wideband
Copyright (c) 2010 Servin Corporation 183
Question
● Which WLAN network access method attempts to avoid collisions?● A. CSMA/CD● B. CSMD/CA● C. CSMA/CR● D. CSMA/CA
Copyright (c) 2010 Servin Corporation 184
Question
● DSSS uses which spreading code?● A. Barker● B. CCK● C. SVPAK● D. CDOE
Copyright (c) 2010 Servin Corporation 185
Question
● HR/DSSS uses which spreading code?● A. Barker● B. CCK● C. SVPAK● D. CDOE
Copyright (c) 2010 Servin Corporation 186
Question
● The original 802.11 uses:● A. DSSS● B. HR/DSSS● C. OFDM● D. ERP-OFDM● E. HT-OFDM
Copyright (c) 2010 Servin Corporation 187
Question
● The 802.11b uses:● A. DSSS● B. HR/DSSS● C. OFDM● D. ERP-OFDM● E. HT-OFDM
Copyright (c) 2010 Servin Corporation 188
Question
● The 802.11a uses:● A. DSSS● B. HR/DSSS● C. OFDM● D. ERP-OFDM● E. HT-OFDM
Copyright (c) 2010 Servin Corporation 189
Question
● The 802.11g uses:● A. DSSS● B. HR/DSSS● C. OFDM● D. ERP-OFDM● E. HT-OFDM
Copyright (c) 2010 Servin Corporation 190
Question
● The 802.11n uses:● A. DSSS● B. HR/DSSS● C. OFDM● D. ERP-OFDM● E. HT-OFDM
Copyright (c) 2010 Servin Corporation 191
Question
● An HR/DSSS channel is how wide?● A. 1 MHz● B. 20 MHz● C. 22 MHz● D. 25 MHz● E. 30 MHz
Copyright (c) 2010 Servin Corporation 192
Question
● OFDM, ERP-OFDM, and HT-OFDM channels are how wide?● A. 1 MHz● B. 20 MHz● C. 22 MHz● D. 25 MHz● E. 30 MHz
Copyright (c) 2010 Servin Corporation 193
Question
● Bluetooth operates in the ____ band.● A. 2.4 GHz UNII● B. FHSS ● C. 2.4 GHz ISM● D. 5.0 GHz UNII● E. Blue-FHSS
Copyright (c) 2010 Servin Corporation 194
Question
● Which WLAN technology below is the slowest?● A. DSSS● B. Ethernet ● C. OFDM● D. ERP-OFDM● E. HT-OFDM
Copyright (c) 2010 Servin Corporation 195
Question
● Which WLAN technology below is the fastest?● A. DSSS● B. Ethernet ● C. OFDM● D. ERP-OFDM● E. HT-OFDM
Copyright (c) 2010 Servin Corporation 196
Question
● Which technology uses the effects of multipath to provide data rates of up to 300 Mbps?● A. DSSS● B. HR/DSSS● C. OFDM● D. HT/DSSS● E. MIMO
Copyright (c) 2010 Servin Corporation 197
Question
● Which two IEEE 802.11 amendments are interoperable?● A. 802.11 and 802.11a● B. 802.11a and 802.11b● C. 802.11a and 802.11g● D. 802.11b and 802.11g
Copyright (c) 2010 Servin Corporation 198
Question
● Without any regulatory domain taken into consideration, the 2.4 GHz frequency range allows for how many channels using 802.11b?● A. 3● B. 6● C. 9● D. 11● E. 14
Copyright (c) 2010 Servin Corporation 199
Question
● What is maximum data rate of HR/DSSS?● A. 5.5 Mbps● B. 11 Mbps● C. 54 Mbps● D. 300 Mbps
Copyright (c) 2010 Servin Corporation 200
Question
● What WLAN technology specifies that frequencies change regularly while transmitting and receiving?● A. DSSS● B. OFDM● C. FHSS● D. ERP-OFDM
Copyright (c) 2010 Servin Corporation 202
Question
● What is the term defining number of cycles per second?● A. Phase● B. Frequency● C. Amplitude● D. Wavelength
Copyright (c) 2010 Servin Corporation 203
Question
● This term defines the amount of shift of two RF signals● A. Phase● B. Frequency● C. Amplitude● D. Wavelength
Copyright (c) 2010 Servin Corporation 204
Question
● This term defines the distance of one cycle of a RF signal● A. Phase● B. Frequency● C. Amplitude● D. Wavelength
Copyright (c) 2010 Servin Corporation 205
Question
● This term defines the height of a RF signal● A. Phase● B. Frequency● C. Amplitude● D. Wavelength
Copyright (c) 2010 Servin Corporation 206
Question
● How many non-overlapping channels are available for 2.4 GHz ISM band in the USA?● A. 1● B. 3● C. 4● D. 11
Copyright (c) 2010 Servin Corporation 207
Question
● Select the THREE non-overlapping channels are available for 2.4 GHz ISM band in the USA.● A. 1● B. 3● C. 6● D. 9● E. 11● F. 14
Copyright (c) 2010 Servin Corporation 208
Question
● How many total channels are available for 2.4 GHz ISM band (whether or not channels are actually used for a given region of the world)● A. 9● B. 11● C. 12● D. 14
Copyright (c) 2010 Servin Corporation 209
Question
● The capacity of an AP is dependent on. Choose two best answers as describe by the textbook.● A. Number of users● B. Channel reuse● C. Frequency● D. Application bandwidth requirements
Copyright (c) 2010 Servin Corporation 210
Question
● When an RF signal passes between mediums of different densities and change speeds and bend, the behavior is:● A. Reflection● B. Refraction● C. Diffusion● D. Scattering● E. Answer not listed
Copyright (c) 2010 Servin Corporation 211
Question
● Which are relative measures of RF power. Choose two.● A. mW● B. dB● C. dBm● D. Watt● E. dBi
Copyright (c) 2010 Servin Corporation 212
Question
● In the 2.4 GHz ISM band, what distance between the center frequencies is required for two channels to be considered non-overlapping for HR/DSSS?● A. 5 MHz● B. 22 MHz● C. 25 MHz● D. 30 MHz
Copyright (c) 2010 Servin Corporation 213
Question
● Which of the following are characteristics of RF signals?● A. Amplitude● B. Reflection● C. Phase● D. Refraction● E. Diffraction
Copyright (c) 2010 Servin Corporation 214
Question
● Choose the absolute measures of RF Power.● A. Watt● B. dB● C. mW● D. dbI● E. dBm● F. dBd
Copyright (c) 2010 Servin Corporation 215
Question
● The range of a 2.4 GHz ISM signal is mostly dependent on:● A. Frequency● B. Wavelength● C. Amplitude● D. Phase
Copyright (c) 2010 Servin Corporation 216
Question
● The width of a 802.11b channel is:● A. 5 MHz● B. 22 MHz● C. 25 MHz● D. 30 MHz
Copyright (c) 2010 Servin Corporation 217
Question
● When an RF signal bounces off a smooth non-absorptive surface, the behavior is:● A. Refraction● B. Reflection● C. Diffraction● D. Scattering
Copyright (c) 2010 Servin Corporation 218
Question
● When an RF signal bends around an obstacle such as a building or a column, the behavior is:● A. Refraction● B. Reflection● C. Diffraction● D. Scattering
Copyright (c) 2010 Servin Corporation 220
Question
● If a desktop PC does NOT have a WLAN client device installed, but it DOES have a Ethernet connector, then one option is to use a ____ to connect to a wireless network● A. Wireless WPS● B. Wireless Access Point● C. Wireless Workgroup Bridge● D. Answer not listed
Copyright (c) 2010 Servin Corporation 221
Question
● Select all features that may be included in a Wireless Workgroup Bridge● A. IEEE 802.3● B. IEEE 802.11● C. Wi-Fi Certifications● D. PoE● E. MAC Filtering
Copyright (c) 2010 Servin Corporation 222
Question
● Select all external WLAN client devices:● A. PCI● B. Mini-PCI● C. PCIe● D. SDIO● E. USB● F. CompactFlash● G. ExpressCard
Copyright (c) 2010 Servin Corporation 223
Question
● Select TWO of the following that are the oldest technology● A. PCI● B. PCMCIA● C. USB● D. PC Card● E. ExpressCard● F. WPS● G. WPA
Copyright (c) 2010 Servin Corporation 224
Question
● A WLAN client device requires a ______, which is low-level software that interfaces the hardware to the operating system● A. Setup Wizard● B. Installation Program● C. Device Driver● D. Answer not listed
Copyright (c) 2010 Servin Corporation 225
Question
● When using a WLAN client Setup Wizard and/or Installation Program, you must enter the following info:● A. SSID● B. MAC Address● C. IP Address● D. IEEE 802.3 ID● F. Answer not listed
Copyright (c) 2010 Servin Corporation 226
Question
● Which of the following are security choices when configuring a WLAN client device?● A. WEP● B. WEP 2.0● C. WPA● D. WPA 2.0● E. Answer not listed
Copyright (c) 2010 Servin Corporation 227
Question
● ExpressCard replaced which of the following (circle all that apply):● A. PCI● B. PCMCIA● C. PC Card● E. WPA 2.0● F. Answer not listed
Copyright (c) 2010 Servin Corporation 228
Question
● Circle the one WLAN client technology that is about the size of a postage stamp:● A. SDIO● B. PCI● C. ExpressCard● D. USB● E. PCIe● F. PCMCIA● G. PC Card
Copyright (c) 2010 Servin Corporation 229
Question
● A WLAN client device requires a DEVICE DRIVER, which is ______ software for interfacing the hardware to the operating system.● A. High Level● B. Medium Level● C. Low Level● D. Answer not listed
Copyright (c) 2010 Servin Corporation 230
Question
● A WLAN client device may include Client Utility Software that performs the following (select all that are possible):● A. Scan for existing SSIDs● B. Prompt for desired SSID● C. Display signal strength● D. Display security choice of WEP or WPA● E. Display choice of WPA Personal or WPA
Enterprise
Copyright (c) 2010 Servin Corporation 232
Question
● Which organization is responsible for frequency band regulation in the United States?● ITU-R● ETSI● IEEE● Wi-Fi Alliance● FCC
Copyright (c) 2010 Servin Corporation 233
Question
● Which organization is responsible world-wide frequency band regulation allocation?● ITU-R● ETSI● IEEE● Wi-Fi Alliance● FCC
Copyright (c) 2010 Servin Corporation 234
Question
● Which organization is responsible for frequency band regulation in the Europe?● ITU-R● ETSI● IEEE● Wi-Fi Alliance● FCC
Copyright (c) 2010 Servin Corporation 235
Question
● Which organization creates WLAN standards?● ITU-R● ETSI● IEEE● Wi-Fi Alliance● FCC
Copyright (c) 2010 Servin Corporation 236
Question
● Which organization creates WLAN certifications?● 2.4 GHz ISM● 2.4 GHz ● IEEE● Wi-Fi Alliance● FCC
Copyright (c) 2010 Servin Corporation 237
Question
● As used with WLAN, what is the definition if ISM?● Industrial Sight and Magic● Industrial, Scientific, and Medical● Independent Sequenced Modules● Answer not listed
Copyright (c) 2010 Servin Corporation 238
Question
● As used with WLAN, what is the definition if UNII?● Unlimited National Information Industry● Uniform Nations Independently Integrated● Unlicensed National Information Infrastructure● Answer not listed
Copyright (c) 2010 Servin Corporation 239
Question
● Select the TWO unlicensed bands used by WLAN● 1 GHz ISM Band● 2.4 GHz ISM Band● 5 GHz UNII Band● 10 GHz UNII Band● 20 GHz UNII Band
Copyright (c) 2010 Servin Corporation 240
Question
● Which choices below are IEEE WLAN standards? ● 802.11● 1003.1● Wi-Fi● WPA● 802.3
Copyright (c) 2010 Servin Corporation 241
Question
● Which choice below is “different” from the other choices? ● 802.11● 802.11a● 802.11b● 802.11g
Copyright (c) 2010 Servin Corporation 242
Question
● Select each choice that relates to the original 802.11 spec● 2.4 GHz● 5 Ghz● 1 Mbps● 2 Mbps
Copyright (c) 2010 Servin Corporation 243
Question
● 802.11b is backward compatible with (select all that apply):● 802.11● 802.11a● 802.11g
Copyright (c) 2010 Servin Corporation 244
Question
● 802.11b has the following features (select all that apply)● Backwards compatible with 802.11a● Backwards compatible with 802.11● 5.5 Mbps● 11 Mbps● 54 Mbps
Copyright (c) 2010 Servin Corporation 245
Question
● True/False: 802.11a was released before 802.11b
Copyright (c) 2010 Servin Corporation 246
Question
● True/False: 802.11a has a maximum rate of 54 Mbps.
Copyright (c) 2010 Servin Corporation 247
Question
● 802.11a operates in the _____ band.● 1 GHz ISM● 2.4 GHz ISM● 2.5 GHz UNII● 5 GHz ISM● 5 GHz UNII
Copyright (c) 2010 Servin Corporation 248
Question
● 802.11g is backward compatible with (select all that apply)● 802.11● 802.11a● 802.11b● 802.11c● 802.11d● 802.11e● 802.11f
Copyright (c) 2010 Servin Corporation 249
Question
● Select all that relate to 802.11g● 2.4 Ghz ISM Band● Backward compatible with 802.11b● 5.5 Mbps and 11 Mbps● Backward compatible with 802.11● 1 and 2 Mbps● 54 Mbps
Copyright (c) 2010 Servin Corporation 250
Question
● Select all that relate to 802.11n● 2.4 Ghz ISM band● 5 Ghz UNI bands● Up to 600 Mbps● MIMO (multiple input, multiple output)
Copyright (c) 2010 Servin Corporation 251
Question
● The 802.11e specification relates to (select all that apply● Security● QoS● SSID Hiding● Quality of Service
Copyright (c) 2010 Servin Corporation 252
Question
● The 802.11i specification relates to (select all that apply● Security● QoS● SSID Hiding● Quality of Service
Copyright (c) 2010 Servin Corporation 253
Question
● Select all items related to 802.11i● Power Usage● SSID Hiding● MAC Filtering● WEP (Wired Equivalent Privacy)● Performance
Copyright (c) 2010 Servin Corporation 254
Question
● Select TWO that relate to WPA 2.0● Personal Mode● Protection Mode● Professional Mode● Enterprise Mode● Scanning Mode● Banning Mode● WPA2 Mode
Copyright (c) 2010 Servin Corporation 255
Question
● Define WPA as it relates to this course● Windows Protected Access● Wi-Fi Protected Access● Will Protect All● Wireless Protected Access
Copyright (c) 2010 Servin Corporation 256
Question
● Select the organization responsible for WPA● IEEE● FCC● Wi-Fi Allowance● Wi-Fi Alliance● Wi-Fi Protection Association
Copyright (c) 2010 Servin Corporation 257
Question
● Select the BEST answer below● 802.11 <=> 802.11a● 802.11 <=> Wi-Fi● 802.11i <=> WPA 2.0● 802.11i <=> WMM
Copyright (c) 2010 Servin Corporation 258
Question
● Define WMM as used in this course● Wi-Fi Multimedia● Windows Multimedia● With Multiplex Message● 802.11i● 802.11e
Copyright (c) 2010 Servin Corporation 259
Question
● Define WMM-PS as used in this course● Wi-Fi Multimedia - Power Save● Windows Multimedia – Personal Service● With Multiplex Message – Power Update● 802.11i● 802.11e
Copyright (c) 2010 Servin Corporation 260
Question
● Define WPS as used in this course● Windows Personal setup● Willful Produced Security● Wi-Fi Protected Setup● Wi-Fi Privileged Security● Wi-Fi Professional Service
Copyright (c) 2010 Servin Corporation 261
Question
● WPS was designed for which environment?● Enterprise Organization● FCC● SOHO● Security Organizations
Copyright (c) 2010 Servin Corporation 262
Question
● Related to WPS, define PBC● Problem Based Challenge● Preferred Backup Channel● Push Button Configuration● Protected Battery Charging
Copyright (c) 2010 Servin Corporation 263
Question
● WPS supports TWO types of authentication. Select the TWO from the list below.● Professional Authentication● Best Practice Authentication● Push Button Configuration● PIN-based configuration
Copyright (c) 2010 Servin Corporation 264
Question
● WPS APs must support (select as many as required):● Professional Authentication● Best Practice Authentication● Push Button Configuration● PIN-based configuration
Copyright (c) 2010 Servin Corporation 265
Question
● WPS clients must support (select as many as required):● Professional Authentication● Best Practice Authentication● Push Button Configuration● PIN-based configuration
Copyright (c) 2010 Servin Corporation 266
Question
● Personal security for WPA 2.0 uses (select single best answer)● A USB key● A password● A passphrase● EAP (External Authentication Protocol)● A digital certificate
Copyright (c) 2010 Servin Corporation 267
Question
● What application types make use of WMM?● Printing Apps● Streaming Video Apps● Batch Job Apps● Streaming Audio Apps
Copyright (c) 2010 Servin Corporation 268
Question
● Define WMM-PS● Wi-Fi Multi Mimo Path Secure● Wi-Fi Multimedia Power Save● Windows Multi Mimo Path Secure● Windows Multimedia Power Save
Copyright (c) 2010 Servin Corporation 271
Question
● True/False. The OSI Model Layer 7 is named the Application Layer
Copyright (c) 2010 Servin Corporation 272
Question
● Select the items below that relate to the Application Layer 7● MAC Address● IP Address● HTTP Protocol● IP Routing● FTP Protocol● Web Browser● Web Server
Copyright (c) 2010 Servin Corporation 273
Question
● WLANs function at which layers of the ISO model. Select TWO best answers.● Layer 7● Layer 6● Layer 5● Layer 3● Layer 4● Layer 2● Layer 1
Copyright (c) 2010 Servin Corporation 274
Question
● OSI Layer 1 is named● Application Layer● Network Layer● Network Routing Layer● Data Link Layer● Data Push Layer● Physical Layer● Hardware Layer● Bit Layer
Copyright (c) 2010 Servin Corporation 275
Question
● True/False: As related to the OSI Model, the letters PHY mean the Physical Layer
Copyright (c) 2010 Servin Corporation 276
Question
● Select the ONE true statement about the OSI Physical Layer● Bit-level data with little organization● Organizes Bit-Level data for communication
between devices on a network● Uses MAC address● Where the IP protocol resides
Copyright (c) 2010 Servin Corporation 277
Question
● OSI Layer 2 is named● Application Layer● Network Layer● Network Routing Layer● Data Link Layer● Data Push Layer● Physical Layer● Hardware Layer● Bit Layer
Copyright (c) 2010 Servin Corporation 278
Question
● Select the TWO true statements about the OSI Data Link Layer● Bit-level data with little organization● Organizes Bit-Level data for communication
between devices on a network● Uses MAC address● Where the IP protocol resides
Copyright (c) 2010 Servin Corporation 279
Question
● OSI Layer 3 is named● Application Layer● Network Layer● Network Routing Layer● Data Link Layer● Data Push Layer● Physical Layer● Hardware Layer● Bit Layer
Copyright (c) 2010 Servin Corporation 280
Question
● Select the ONE true statement about the OSI Network Layer● Bit-level data with little organization● Organizes Bit-Level data for communication
between devices on a network● Uses MAC address● Where the IP protocol resides
Copyright (c) 2010 Servin Corporation 281
Question
● Define AP as used in the course● All Points● All Positive● Access Point● Access Privilege
Copyright (c) 2010 Servin Corporation 282
Question
● Select the THREE types of APs● Fully Functional● Autonomous● Heavyweight● Lightweight● Mediumweight● Mesh● Boxed
Copyright (c) 2010 Servin Corporation 283
Question
● Select the AP that is a self-contained unit and can function independent of other devices● Fully Functional● Autonomous● Heavyweight● Lightweight● Mediumweight● Mesh● Boxed
Copyright (c) 2010 Servin Corporation 284
Question
● Select the AP that is NOT used as a standalone device● Fully Functional● Autonomous● Heavyweight● Lightweight● Mediumweight● Mesh● Boxed
Copyright (c) 2010 Servin Corporation 285
Question
● Select the AP that is connected with nodes of other APs, with at least two paths for every node.● Fully Functional● Autonomous● Heavyweight● Lightweight● Mediumweight● Mesh● Boxed
Copyright (c) 2010 Servin Corporation 286
Question
● True/False. Mesh networking is very popular in the outdoor WLAN market.
Copyright (c) 2010 Servin Corporation 287
Question
● True/False. The best way to configure a AP is via the Wireless connection.
Copyright (c) 2010 Servin Corporation 288
Question
● SOHO APs are typically configured using (Choose Two):● MAC Address● CLI (Command-Line Interface)● Starcraft● HTTP● FTP● HTTPS● SMTP
Copyright (c) 2010 Servin Corporation 289
Question
● APs work at which layers of the OSI Model (Choose 2):● Layer 7● Layer 6● Layer 5● Layer 4● Layer 3● Layer 2● Layer 1
Copyright (c) 2010 Servin Corporation 290
Question
● According to the textbook, the following are SOHO features (Select 3):● CLI (Command-Line Interface)● WPA 2.0● WMM● RADIUS● WPS
Copyright (c) 2010 Servin Corporation 291
Question
● Half-duplex communication is (select one):● One way communication, one way only● Two way communication, both directions
simultaneously● Two way communication, one way at a time● Three way communication in a special half mode
Copyright (c) 2010 Servin Corporation 292
Question
● True/False: According to the textbook, SOHO devices allow the user to configure the dynamic antenna output power.
Copyright (c) 2010 Servin Corporation 293
Question
● Suppose you want to connect TWO wired LANs together into a single LAN, i.e., you want a single IP network address for each. Your AP would have to provide the following feature (choose best answer):● DHCP Server● Bridge● RADIUS● WMM-PS
Copyright (c) 2010 Servin Corporation 294
Question
● Wireless bridges have TWO major configurations:● Open● Point-to-Point● Closed● Point-to-Multipoint
Copyright (c) 2010 Servin Corporation 295
Question
● Wireless bridges must be configured with TWO common settings:● Same Vendor● Same SSID● Same RF Channel● Same RF Channel But Different SSID● Different RF Channel but same SSID
Copyright (c) 2010 Servin Corporation 296
Question
● According to the textbook, Enterprise APs had a more extensive feature list than SOHO APs. Which items below does the book state are primarily Enterprise AP features?● Browser-based Configuration● CLI● Removable/Expandable Antenna● WPA 2.0● Adjustable Transmit Power● RADIUS
Copyright (c) 2010 Servin Corporation 297
Question
● According to the textbook, Enterprise APs have three major modes. Select the THREE modes from the following list● CLI Mode● Root Access Mode● Bridge Mode● Repeater Mode● Security Mode
Copyright (c) 2010 Servin Corporation 298
Question
● True/False● Root Access Mode for an Enterprise AP refers to
connecting the AP to the enterprise backbone
Copyright (c) 2010 Servin Corporation 299
Question
● Which answers below relate to Bridge Mode?● Half-Duplex● Point-to-Point● Full-Duplex● Point-to-Multipoint● Happy Duplex
Copyright (c) 2010 Servin Corporation 300
Question
● True/False● Lightweight APs are stand-alone AP devices that do
not need additional hardware.
Copyright (c) 2010 Servin Corporation 301
Question
● True/False● Mesh APs connect multiple APs together to provide
at least two paths for every node
Copyright (c) 2010 Servin Corporation 302
Question
● A Wireless LAN Controller/Switch has two common models. Select the two common models from the list below:● Personal Model● Branch Office Model● Large Enterprise Model● Enterprise Model
Copyright (c) 2010 Servin Corporation 303
Question
● True/False● A disadvantage of a Wireless LAN Controller/Switch
is the lack of centralize control.
Copyright (c) 2010 Servin Corporation 304
Question
● True/False● A virtual LAN (VLAN) allows an Admin to separate
physical ports into logical networks
Copyright (c) 2010 Servin Corporation 305
Question
● Define PoE● Proof of Ethernet● Proof of Error● Power over Ethernet● Power over Enterprise
Copyright (c) 2010 Servin Corporation 306
Question
● True/False● RADIUS stands for Remote Authentication Dial-In
User Service
Copyright (c) 2010 Servin Corporation 307
Question
● True/False● Midspan devices inject the required DC voltage into
the Ethernet cable
Copyright (c) 2010 Servin Corporation 308
Question
● Select the IEEE standard for PoE● WMM-PoE● 802.11● 802.3-2005 Clause 33● 802.11p