A+ Certification Guide

Chapter 10Mobile Devices

Chapter # 10Objectives

Mobile Device Hardware– Basic hardware used by mobile devices– How to upgrade and replace memory cards and batteries

Mobile Operating Systems– Differences between open-source and closed-source operating systems such

as Android and iOS.– Where to find applications and adjust displays.– GPS and how it relates to mobile devices is briefly covered.

Mobile Network Connectivity– Network connectivity and how to connect email accounts

Mobile Synchronization– Learn how to connect and synchronize iOS and Android-based devices’ files

and settings. Mobile Security

– How to secure a mobile device through passcodes, antivirus software, and operating system updates

– Backing up data, remote wiping of data, and soft and hard resets

Mobile Device Hardware RISC processor Touchscreen DDR memory Lithium Ion Polymer

– Often integrated into the device and nonreplaceable Micro USB ports

– Battery charge via micro-USB port Mobile devices are not generally upgradeable except

for software

Mobile Operating Systems Android versus iOS Android:

– Open Source code– Google sponsored OS– Linux-based– Used on smartphones, tablets

iOS:– Closed-Source code– Apple sponsored– Program licensees pay a fee to

create/sell applications Windows CE or Windows Mobile

also an option

GPS and Geotracking Global Positioning System

– Worldwide System of Satellites– Requires a GPS receiver

Must be enabled on tablet or phone Geotracking

– Tracing and recording device location over time– Can be disabled by disabling GPS receiver

Mobile Network Connectivity Global System for Mobile Communications

– GSM Cellular Connectivity• 3G/4G• Transmitter/Receiver adapt to slowest device

Wi-Fi Networks– Uses WLAN antenna

• 802.11b/g/n• Searches for available networks (SSID)• Select appropriate SSID and enter password• Troubleshooting involves

– Adjusting range to be closer to wireless transmitter– Selecting correct SSID– Matching the encryption method

Add a Wi-Fi Network Settings Wireless &

Networks. Wi-Fi Settings. Scan for networks. Enter the SSID if required. Enter the passcode.

BlueTooth Used for short distances Useful for adding input/output

devices– Keyboard/mouse– Microphone– Headphone– Printer

Troubleshooting involves– Checking other device for

BlueTooth-enabled connection– Checking charging levels of

batteries– Checking range (10 meters)– Restarting the device

Email Configuration Web Based email POP3, IMAP, Exchange Troubleshooting email issues

– Check Internet access.– Verify username passwords are typed correctly.– Check port numbers to see if default or other port is

used.– Check security settings for SSL or TLS.

Mobile Synchronization Synchronizing an

Android Device to a PC Synchronizing an

iPad2 to a PC Other Devices

Mobile Sync Screen for HTC

iPAD Synchronization

When Mail, Contacts, and Calendar is highlighted, a details screen displays on the right.

Sync is the third option from bottom.

Mobile Security Protecting against Stolen or

Lost Devices Use of Passcode for

screenlock– Numbers– Drawing a pattern on the

display Settings Security

iPad Go to Settings General. Tap Passcode Lock. 4-digit passcode is a default.

– More advanced passcodes can be enabled.

Protecting Against Compromised or

Damaged Devices

Use system updates to download the latest set of patches.

Know how to use a device locator application.

Know how to back up data and restore data to a system that has had a hard reset.

Management of Mobile Devices Mobile Device Management

– McAfee– AirWatch– LANDesk– Sybase

Software used to manage large numbers of users in organizations

Troubleshooting Tips Turning Off Applications and

Resets– Soft Reset– Hard Reset

On Android– Settings Application s

Running Services– This figure shows running

processes. These can be individually disabled or turned off.

Hard reset returns unit to factory defaults. All settings and data are lost.

What Have You Learned?

– Name at least two major mobile devices in common use.

– What is the difference between a soft reset and a hard reset?

– What security measures can be taken to protect a device from unauthorized use?

Chapter # 10 Summary Mobile Device Hardware

– Basic hardware used by mobile devices– How to upgrade and replace memory cards and batteries

Mobile Operating Systems– Differences between open-source and closed-source operating systems

such as Android and iOS.– Where to find applications and adjust displays.– GPS and how it relates to mobile devices is briefly covered.

Mobile Network Connectivity– Network connectivity and how to connect email accounts

Mobile Synchronization– Learn how to connect and synchronize iOS and Android-based devices’ files

and settings. Mobile Security

– How to secure a mobile device through passcodes, antivirus software, and operating system updates

– Backing up data, remote wiping of data, and soft and hard resets