Chapter 8

Which mobile device architecture is used by Apple iPad devices running the iOS operating system?

ARM

In preparation to use your laptop on the airplane as you travel to a conference, you disconnected the USB mouse. However, after removing the external mouse, the cursor drifts consistently to the left side of the screen while using the built-in trackpad and mouse button. What should you do?

Access the BIOS/UEFI configuration and disable the USB pointer option

Device manufactures are countless

Android

Open source and most popular mobile device operating system

Android

A company executive has just bought a new android mobile device. She wants you to help her make sure it is protected from malware threats. What options are available and important to use to protect Android devices?

App reviews and ratings will help you choose an effective anti-virus app Anti-virus app are available for purchase from Android app stores

Six months ago, you purchased a new laptop. Since then, you have noticed that the battery life has been steadily going don. When it was new, a full charge lasted about 3 hours. Now youa re lucky to get 2 hours before the battery charge level drops below 5%. What should be your first step to correct this problem?

Calibrate the battery

What is the surest way to prevent the loss of important information on your mobile device if it is lost, stolen, destroyed, or there is a natural disaster?

Configure your device to remotely backup important data to the Cloud.

If a notebook computer is exhibiting symptoms that seem to indicate a malfunctioning keyboard, what troubleshooting steps can you take to determine if keyboard needs to be replaced?

Connect an external keyboard Check for special keyboard features that could e enable that may cause some keys to perform alternate tasks

You use productivity apps on your iPad tablet device while traveling between client sites. You're concerned that you may lose your iPad while on the road and want to protect the data stored on it from being compromised. Currently, your iPad uses a 4-digit PIN number for a passcode. You want to use a more complex alpha-numeric passcode. You also want all data on the device to be erased if the wrong passcode is entered more than 10 consecutive times. What should you do? (select two)

Enable the Erase Data option Disable the Simple Passcode option

You want to use Hibernation on your Windows notebook. What does it need to have?

Enough free hard drive space

You're troubleshooting a malfunctioning LED display on a notebook computer system. An external monitor correctly display the output from the notebook. Which of the following could be the cause?

Failed backlight

You have just purchased a used laptop and you want to configure it to hibernate when you press the power button. You edit the Power Options settings and enable hibernation, then you configure the power button to trigger hibernation. Everything works fine for several weeks. However, one day when you press the power button, the laptop does it hibernate. What should you do?

Free up disk space

Which component within a tablet device measures acceleration horizontally and vertically at the same time?

Gyroscope

After arriving in a new city today, a traveling sales team member calls you stating that his wireless connection no longer works. He has checked the wireless configuration and he knows it to be correct because it was working yesterday. What should you do first?

Have him verify that the wireless card's hardware switch is in the On position

Why is it important to have your mobile device charger plugged in while it is receiving an operating system update?

If the battery dies during the update, the operating system could become corrupted

You are updating the operating system on your iPad. Your iPad is connected to your computer and you are using iTunes to install the update. What would happen to your iPad if you disconnect it before the operating system update is complete?

If you disconnect during the update, the operating system could become corrupted.

You want to configure Power Plans on your Windows 7 laptop computer. Which of the following can do this?

In the Notification Area, double-click the battery icon. Click More Power Options. Go the Control Panel - System and Security - Power Options

Which of the following battery types offers the greatest storage capacity in the smallest amount of space?

Lithium Ion (Li-Ion)

Which of the following will improve the security of sensitive information on your device if it is lost or stolen?

Locator applications Remote wipe A screen lock

Which of the following are steps you can take to avoid having your mobile device exploited by a hacker or infected by a virus?

Lock the screen with some form of authentication Keep the operating system up to date

A user complains that his notebook display has started to go dim intermittently. you suspect the backlight might need to be replaced but you want verify that the backlight is failing before you replace it. What should you check before replacing the backlight?

Make sure that the dimming isn't being cause by a power saving method that has been configured to conserve notebook power.

A panicked user comes to you at the support desk and asks you to come to his office because his notebook has no power. He's positive that his battery has completely failed because he came in this morning and there is no power at all to his laptop. He left it plugged in on his desk all night but it will not turn on. He has an important presentation to make in a couple of hours and insists that you bring a replacement battery. What troubleshooting steps should you do before replacing the battery.

Make sure the AC cord is securely plugged into both the wall outlet and the power adapter Make sure the DC cord from the power adapter is plugged firmly into the notebook power connector.

If a notebook computer with an integrated wireless network adapter shows that there is no wireless network connection, what should you check first?

Make sure the switch that turns the wireless network card on and off is in the on position.

You have an executive user who keeps sensitive information about the company on a company-owned mobile device. You want to be prepared to keep company information secure if he loses this device or if it gets stolen.

Mobile device management software that performs remote wipes Mobile device management software that does full device encryption

Which feature allows a tablet to recognize multiple finger touches at the same time?

Multi-touch

Which of the following is a mobile technology that can be used to store and transmit encrypted information for purposes such as making payments from a mobile device?

NFC chips

Which of the following battery types has the greatest need to be completely drained before being recharged?

Nickel Cadmium

You're troubleshooting a malfunctioning notebook computer. Nothing appears on the LED display when the system is powered on. What is the first thing you should do?

Plug in an external monitor

Your're troubleshooting a notebook system that uses a digitizer pad and stylus for user input. The user has complained that the digitizer pad registers stylus taps about 1 inch to the right of where the tap actually occurred. How can you fix this problem?

Re calibrate the digitizer pad

You recently replaced a malfunctioning video card on your laptop. After reassembling the laptop, everything works well except for the wireless network connection. The wireless adapter functioned correctly before you replaced the video card. What would most likely resolve this problem?

Reconnect the antenna connections

A user is trying to log into Windows on her notebook computer. She enters the correct password for her user account, but the system won't let her authenticate, claiming the wrong password has been entered. What's causing the problem?

She has turned Num Lock on causing numbers to be sent from keyboard instead of letters

Which ACPI power state retains the contents in RAM, but turns all other components off?

Suspend

You're troubleshooting a malfunctioning notebook computer system. The user has indicated that the screen is always dark and difficult to read even while the system is plugged in to a wall outlet. You check the system and determined that the backlight isn't working. Which of the following could be the cause.

The LCD cutoff switch is stuck in the OFF position

Your iPad is configured to do remote backups everyday to iCloud. What conditions are required for the iCloud backup to take place

The iPad has to be plugged into a power source The iPad screen has to be locked The iPad has to have an Internet connection

What category do apps fall into if they have been signed with a certificate?

Trusted

You just purchased an iPad tablet device. You want to synchronize your photos, music, email, and contacts from your Windows 7 PC to the device. How can you connect the device to the PC? (Select Two)

USB cable Wi-Fi wireless connection

What category do apps fall into if they have not been reviewed, approved, and signed with a certificate?

Untrusted

A user is sales cannot get his laptop to display through a projector. He sees the screen output on the built-in display, but the video is not being seen on the projector. What should you do first?

Use the Fn key to redirect display to the external video port

A user recently used her notebook to make a presentation that required her to display her screen from a projector in the conference room. She is now back at her desk, her notebook is still on, but the display is blank. What should you do first to try to restore the display?

Use the Fn keys to toggle display output to the laptop monitor

Which type of mobile device are fitness tracker wrist bands, smartwatches, smartglasses, and virtual reality headsets?

Wearable devices

Closed source and second least popular mobile device operating system

Windows

Device manufacturers include Microsoft, Samsung, and HTC

Windows

You currently use the Thurnderbird email client on your desktop PC. You use it to connect to an email server provided by a service provider using the IMAP SMTP protocols. You recently purchased an iPad and want to configure its Mail app to connect to your email server. Can you do this?

Yes, you can configure the Mail app on the iPad to connect to an email server using the IMAP and SMTP protocols

What type of authentication would require a user fingerprint or face recognition to get past the screen lock on a mobile device and get access to the device?

biometric authentication

Closed source and second most popular mobile device operating system

iOS

Devices solely designed and developed by Apple

iOS