Take Assessment - DRSEnt Practice Final - CCNA Discovery: Introducing Routing and Switching in the Enterprise (Version 4.0)

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1 Which statement is accurate about the CIR in Frame Relay?

It is important to purchase a CIR that matches the highest bandwidth requirements of the enterprise.

The CIR can be no lower than the port speed of the local loop.

The CIR defines the contracted maximum rate available from the service provider on the Frame Relay circuit.

It is possible to burst over the CIR if bandwidth is available.

2 What are two WAN protocols that define parameters for data encapsulation? (Choose two.)

PPP

V.35

X.21

HDLC

EIA/TIA-232

3

Refer to the exhibit. What can be determined from the output of the show ip nat translation command?

Dynamic NAT addressing is enabled.

NAT overload is enabled on router R1.

The outside local and outside global addresses have been misconfigured.

The outside global address has been dynamically assigned from a NAT pool.

4 What are two characteristics of OSPF? (Choose two.)

OSPF uses an administrative distance of 110.

OSPF broadcasts periodic routing updates.

The OSPF metric is based on bandwidth.

DR elections are not required on Ethernet links.

OSPF uses the spanning-tree algorithm to generate the topology tree.

5

Refer to the exhibit. None of the hosts in network A are able to access the Internet. How can this problem be resolved?

Configure dynamic NAT instead of PAT.

Configure the access list for the correct network.

Include the ip nat pool command in the configuration.

Configure the ip nat inside command on the correct interface.

6 Which command should a network administrator issue to disable default summarization in an EIGRP network?

Router(config-router)# no ip summary-address

Router(config-if)# no ip summary-address

Router(config-if)# no auto-summary

Router(config-router)# no auto-summary

7

Refer to the exhibit. Using the command ip route 192.168.1.0 255.255.255.0 10.1.1.2 150, the network administrator configures a new route. Which statement describes how the router will use the new route?

The new route will be ignored and will never be added to the routing table.

The new route will be added to the routing table and will be the primary route to the 192.168.1.0/24 network.

The previously existing dynamic route will be replaced with the new static route.

The new route will be displayed in the routing table if the dynamic routing information for this route is lost.

8 Why should default route redistribution be implemented in a multirouter RIP network?

allows for greater scalability in networks with multiple edge routers

scales better than configuring a default route on each router

provides the same gateway of last resort for every router in the network

allows for greater flexibility in networks with multiple vendor ISP connections

9

Refer to the exhibit. EIGRP has been configured on all routers in the network with default values. Which route will be installed in the routing table of R1 to reach the 10.1.2.0/24 network?

The route through R2 will be installed.

The route through R3 will be installed.

Both of the routes through R2 and R3 will be installed.

No route will be installed because of the "passive" state.

10

Refer to the exhibit. The network administrator wants to restrict the Production network from accessing the HR network. All other traffic will have access to all networks. Which combination of interface and direction should the administrator use to apply the ACL?

Fa0/1, out

Fa1/0, out

Fa0/1, in

Fa1/0, in

11 Which function does the access layer provide in a hierarchical internetworking model?

It provides a high-speed backbone layer between geographically dispersed networks.

It provides hierarchical design between the core layer and the distribution layer.

It provides an entry point for hosts into the network.

It provides data security and traffic management for the core layer.

12 What are two features of an ACL? (Choose two.)

A single ACL applied to a router interface will affect both inbound and outbound traffic.

An ACL without a permit statement blocks all traffic.

All Cisco ACLs end with an implicit deny statement.

An ACL is active immediately after it has been created in global configuration mode.

A router compares a packet to all statements of an ACL before permitting or denying access through an interface.

13

Refer to the exhibit. All routers are configured to use the OSPF protocol with default settings. Which router will act as the BDR if all routers start at the same time?

R1

R2

R3

R4

14 What are two benefits of implementing VLANs in an enterprise network? (Choose two.)

eliminates the need for a Layer 3 device

provides segmentation of broadcast domains

allows for the propagation of broadcasts from one local network to another

allows for the logical grouping of devices despite physical location

prevents issues such as broadcast storms by ensuring a loop free environment

15 Which protocol is a classful routing protocol?

BGP

EIGRP

OPSF

RIPv1

RIPv2

16

Refer to the exhibit. RIPv2 has been configured on all routers. Host H2 attempts to ping host H1 but only half of the echo requests result in successful echo replies. How can this problem be remedied?

Replace failed switch S1.

Place host H1 in the correct subnet.

Add an entry for the 192.168.4.0 network to the routing table on R1.

Use the no auto-summary command on all routers.

17Which three IP addresses are valid host addresses in the 10.200.0.0/20 network? (Choose three.)

10.200.11.69

10.200.16.1

10.200.0.255

10.201.0.55

10.200.15.240

10.200.30.29

18What are two characteristics of an extended ACL? (Choose two.)

IP is used to specify TCP traffic only.

IP is used to specify TCP and UDP traffic only.

IP is used to specify all TCP/IP protocols including TCP, UDP, ICMP and routing protocols.

Traffic can be filtered on source address only.

Traffic can be filtered on source and destination address only.

Traffic can be filtered on source and destination address, protocol, and specific port number.

19

Refer to the exhibit. How many routers have established OSPF adjacencies with R1?

2

4

5

7

20What is one major difference between RIPv1 and RIPv2?

RIPv2 has a higher maximum hop count than RIPv1.

RIPv1 utilizes broadcasts. RIPv2 utilizes multicasts.

RIPv1 supports discontiguous networks. RIPv2 does not.

RIPv1 updates are exchanged more often than RIPv2 updates.

21Which two addresses are RFC 1918 private addresses? (Choose two.)

10.192.32.67

64.10.10.2

172.31.220.7

172.168.12.1

192.16.0.1

22Which address is used to access a switch from a remote location in order to make configuration changes?

the default gateway that is configured on the switch

the IP address of the management VLAN interface on the switch

the default gateway that is configured on the management workstation

the IP address configured on the VTY line that is used to establish an incoming connection to the switch

23Which two statements are correct about Cisco HDLC encapsulation? (Choose two.)

It defines a Layer 3 framing structure.

It supports multiple network layer protocols.

It supports the callback option on serial links.

It is the default encapsulation type on Cisco router serial links.

It uses a layered architecture to encapsulate multiprotocol datagrams.

24What are two reasons for assigning switch ports to different VLANs? (Choose two.)

They increase network security.

They facilitate VTP implementation.

They decrease the size of the collision domain.

They make more physical connections to the network possible.

They logically group hosts according to their function.

25

Refer to the exhibit. Traffic from which network will be translated into a single public IP address?

10.0.0.0/24

192.168.0.0/23

192.168.1.0/24

192.168.2.0/24

192.168.3.0/24

26

Refer to the exhibit. What is the administrative distance for OSPF routes?

0

1

65

110

120

128

27

Refer to the exhibit. A network administrator is configuring an ACL on router R1. The purpose of the ACL is to ensure that traffic from the Internet will only be allowed if it is in response to a request that is initiated from the internal network. However, after the ACL has been applied, internal users report that they cannot visit external web sites. What can be done to solve this problem?

Remove the deny any any statement.

Apply the ACL to the serial 0/0/0 interface inbound.

Consolidate all internal computers into one network.

Add a permit tcp any any eq www statement to the top of the ACL.

28

Refer to the exhibit. A network support technician has been asked to set an IP address on one of the FastEthernet interfaces on a new router. What is causing the interface to reject the address?

The IP address is already in use.

The technician is using a network address.

The technician is using the wrong subnet mask for /26.

The technician must enable VLSM on the interface.

29

Refer to the exhibit. A network administrator enters the command ip route 10.10.4.16 255.255.255.248 s0/0/1 into the router. What will be the result of this configuration?

A static route pointing to 10.10.4.16/29 is placed into the routing table.

A static route to 10.10.4.16/29 is placed into the routing table if interface FastEthernet0/1 goes down.

A static route pointing to 10.10.4.16/29 is only placed into the routing table if the route to 10.10.4.0 is removed.

A static route is not placed into the routing table because a RIP route that includes the destination network already exists.

30

Refer to the exhibit. Workstation H1 is unable to reach the Internet. A network technician issues a ping command to troubleshoot the problem. Based on the results of the commands that are shown, what could be the cause of the problem?

The default gateway on H1 is incorrect.

The IP address on H1 is incorrect.

The subnet mask on H1 is incorrect.

The Fa0/0 IP address on the router is incorrect.

The VLAN IP address on the switch is incorrect.

31 Which type of documentation describes the procedures for teleworkers to connect to the company network by using a VPN connection?

business security plan

business continuity plan

service level agreement

network maintenance plan

32

Refer to the exhibit. All routers are configured to use the EIGRP routing protocol, and the network administrator has configured the serial interface with the displayed commands. Which summary route will show in the routing table of R1 as a result of these commands?

a route pointing to the FastEthernet0/0 interface

a route pointing to the Serial0/0/0 interface

a route pointing to the Null0 interface

a route pointing to the loopback0 interface

33

Refer to the exhibit. Router1 and Router2 are both running RIPv1. Which subnet mask will Router1 associate with network 192.168.4.16/28?

255.255.0.0

255.255.240.0

255.255.255.0

255.255.255.240

255.255.255.248

34What factor is important to consider when configuring manual summarization with EIGRP?

EIGRP authentication must be enabled.

Networks that are being summarized must be contiguous.

Networks that are being summarized must use the same subnet mask.

Summarization must be configured the same on all interfaces.

35Which route will be excluded from the updates that are sent to the neighbor routers?

R 192.168.1.0/24 [120/1] via 192.168.100.1, 00:00:12, FastEthernet0/1

R 192.168.2.0/24 [120/15] via 192.168.101.1, 00:00:12, FastEthernet0/0

R 192.168.3.0/24 [120/2] via 192.168.101.1, 00:00:12, FastEthernet0/0

R 192.168.4.0/24 [120/7] via 192.168.101.1, 00:00:12, FastEthernet0/0

36

Refer to the exhibit. Which VTP function will this switch perform?

It will create, change and share local VLAN information with other switches in the XYZ domain.

It will forward to other switches the VLANs that are created in Switch1.

It will back up the VTP database for domain XYZ.

It will forward VTP configuration information for domain XYZ.

37

Refer to the exhibit. EIGRP has been configured on all routers in the network. Router R1 cannot form a neighbor relationship with router R2. On the basis of the show ip protocols command output that is provided, what could be the cause of the problem?

Automatic summarization is enabled on both routers.

The processes on both routers are configured for incorrect networks.

There is a different autonomous system number on each router.

The metric value for K2, K4, and K5 parameters on both routers is set to “0."

38

Refer to the exhibit. The command that is displayed was run on a switch with 24 FastEthernet ports. Why are some ports missing from VLAN1?

The missing ports are administratively down.

The missing ports are not configured for STP.

The missing ports are not connected to any active device.

The missing ports are configured for trunk ports.

39Which component of the Cisco Enterprise Architecture manages server farms?

service provider edge

enterprise campus

enterprise edge

edge device

40

Refer to the exhibit. The network administrator has configured R1, R2, and R3 to use RIPv2, and the network is fully converged. The hosts on the internal network are able to access R2, but they are unable to access the Internet.

How can the administrator solve this problem?

Configure a default route on R3 and propagate it via the use of RIPv2 to all routers.

Configure a default route on R2 and propagate it via RIPv2 to routers R1 and R3.

Configure a default route on the ISP, and it will be automatically propagated to all routers.

Configure a default route on R1, and it will be automatically propagated to all routers.

41What can be done to reduce the impact of a failure domain?

Create a single local network on a central switch.

Move wired users to a more reliable wireless network.

Add redundant devices to key positions within the network.

Add more VLANs to each switch and assign fewer users per VLAN.

42What information is displayed in the output of the show version command on a router?

interface addresses

routing table entries

amount of flash memory

configured routing protocols

43Which statement describes a PVC?

A PVC provides a permanent logical connection to forward data between two points.

A PVC is dynamically established when a router requests a transmission.

A PVC prevents small messages from being held up behind larger messages.

A PVC requires call set-up information to be sent before transmitting any data.

44 An organization is planning to expand by adding five new branches. After the expansion, it will require secured, full-time, and simultaneous connectivity for its new branch offices with the central office. There is only one port available on the central office router. Which WAN technology can be used in this situation?

PPP

ISDN

Frame Relay

analog dialup

45What is a feature of PAP authentication?

It uses a three-way handshake with encryption.

It sends the username/password pair across the link in clear text.

It provides protection against playback attack through a variable challenge value.

It designates the called device to control the frequency and timing of the authentication.

What are two best practices that should be followed when implementing access lists on a network?(Choose two.)

Edit ACLs directly on the router when troubleshooting.

Ensure basic connectivity before applying an ACL on an interface.

Ensure that a permit ip any command is at the end of the ACL.

Configure the same access group to filter incoming and outgoing traffic.

Before configuring ACLs on a remote router use the reload in 30 command.

47

Refer to the exhibit. What is the lowest cost OSPF path for traffic that is sourced from H2 and destined for H3?

R3 to R5

R3 to R2 to R5

R3 to R4 to R5

R3 to R2 to R1 to R5

48

Refer to the exhibit. If R4 is announcing all shown internal networks as a summary address to the ISP, which summary address will be most specific?

192.168.1.0/22

192.168.4.0/21

192.168.6.0/23

192.168.8.0/21

192.168.4.0/22

49

Refer to the exhibit. A network administrator is configuring an ACL. Which statement is true about the effect of the ACL?

A host with the IP address 192.168.10.22 is allowed to access the FTP server that has the IP address 172.17.2.240.

A host with the IP address 192.168.10.42 is allowed to access the FTP server that has the IP address 172.17.2.241.

A host with the IP address 192.168.10.12 is allowed to access the web server that has the IP address 172.17.2.242.

A host with the IP address 192.168.10.52 is allowed to have SSH access to the server that has the IP address 172.17.2.240.

50 Assuming VLSM is not being used, what impact will adding the command ip route 172.16.64.0 255.255.240.0 serial0/0that is already operational in a network?

All packets with a destination address between 172.16.64.1 and 172.16.80.254 will be forwarded out serial0/0.

All packets with a destination address between 172.16.64.1 and 172.16.255.254 will be forwarded out serial0/0.

All packets with a destination address between 172.16.64.1 and 172.16.79.254 will be forwarded out serial0/0.

All packets with a destination address between 172.16.0.1 and 172.16.64.254 will be forwarded out serial0/0.