Module 9: Supporting Mobile Devices Flashcards

1
Q

A mobile device user is having problems launching apps and texting. The user touches an app to launch it, but the app icon next to the desired app launches instead. When the user types a text message, every word in the message is misspelled.

What is the most likely cause for this behavior?

A

The screen protector is interfering with touch response.

A screen protector sheet can interfere with touch response as can a dirty or damp touch screen surface.

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2
Q

Derek is planning a camping trip and wants to be able to listen to music at the campsite. Derek currently has a smartphone but does not like the sound coming from the speakers.

What will help Derek improve the sound coming from his smartphone’s speakers while he is at the campsite?

A

Connect to a Bluetooth speaker.

Derek can connect using a Bluetooth speaker. Most Bluetooth headsets and headphones are common Class 2 devices with a range of 10 meters, or 33 feet.

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3
Q

A customer has several mobile device users who have a habit of misplacing their devices during the workday.

Which of the following security methods will most benefit these users?

A

Locator applications

A locator application is used to find a misplaced device, on a map for instance.

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4
Q

Sally has just purchased a new iPad. She wants to save all the pictures and files that she creates with her new iPad on the Internet.

What service should Sally use to save her pictures and files seamlessly on the Internet?

A

iCloud

iCloud is the most seamless option. When Sally sets up her iPad, the setup will include an iCloud account and free online storage. She can also set up to automatically send her pictures and files directly to her iCloud account without the need to manually move or sync them.

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5
Q

Tracy is in a meeting with an important client and wants to know how she can keep her smartphone from interrupting the meeting. She does not want to receive notifications, emails, text messages, or phone calls, but would like to leave her phone on so that she can take notes on the phone.

What setting can Tracy use on her phone to make sure she is not interrupted during the meeting?

A

Airplane mode.

Airplane mode turns off all radio signals to the phone. In Airplane mode, Tracy will not receive notifications from email, texts, or phone calls. She will still be able to take notes on her smartphone.

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6
Q

A user is complaining that her mobile device is too dim to read when in a dimly lit room.

Which of the following actions should you take first?

A

Disable the auto-brightness option.

The auto-brightness control adjusts the display brightness based on ambient light conditions. Turn off this feature to gain more control over the screen’s brightness.

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7
Q

A user is experiencing problems connecting to a SOHO Wi-Fi network via her mobile device.

Which of the following is the first step a technician should take in resolving this issue?

A

Determine if any other devices are experiencing the same issue.

The first step, before making any changes, is to determine whether the issue is isolated to one user or extends to other users.

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8
Q

John has subscribed to a cloud-based service to synchronize data between his smartphone, tablet, and PC. Before allowing the data to be synchronized, this service uses a process in which the cloud service and the client on the smartphone will verify the security of all devices’ security certificates.

What type of security does the cloud-base service employ?

A

Mutual authentication

Mutual authentication is a security feature in which a both entities in a communication link must prove its identity to all devices.

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9
Q

Jennifer has an iPod that she has not used for six months. She wants to move the music and pictures from the iPod to her new iPhone. She tries to access the iPod using her four-digit code, but the passcode does not work. She tries to use two other codes, but neither work. Obviously, Jennifer does not remember the passcode.

What solution does Apple provide that will help Jennifer recover the passcode for her iOS device?

A

Reset the device and restore the data from iCloud or iTunes.

Because this is a hardware-specific passcode, Jennifer will have to reset her iOS device and restore the device from a backup. Unfortunately, unless Jennifer backed up her data on iCloud, she will have lost all the data that was stored on the iPod.

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10
Q

A user is troubleshooting a mobile device app that is displaying errors and has contacted the app manufacturer’s technical support team for assistance. The support technician needs specific information from the device about how the app is responding and what is happening to cause the errors.

How can the technician retrieve the requested information from the user’s device?

A

The method for retrieval is dependent on the specific app or device’s operating system.

The OS or app must be capable of logging errors and then must provide a method of submitting these log entries to the app developer or support team. This functionality depends on the individual OS or app.

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11
Q

A mobile device user has tried to install a new app numerous times without success. She has closed all unused apps, disabled live wallpapers, and restarted the device in an attempt to get the app to install.

Which of the following steps should the user take next?

A

Check for sufficient available storage space.

The user needs to check to verify there is enough free storage space to install the app. If not, unused apps can be uninstalled, and an app to clean up space can be utilized.

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12
Q

A mobile phone user in your company is experiencing dropped phone calls. While interviewing the user, you determine the problem started after she checked her email this morning. No other mobile devices in the organization are dropping calls.

Which of the following is the most likely reason for the dropped calls?

A

Malware is interfering with the calls.

The device most likely infected with malware while the user was checking her email, and the malware is attempting to eavesdrop on the phone calls.

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13
Q

Which of the following symptoms is most likely related to leaked personal files/data on a mobile device?

A

Data transmission over limit

The leaking of files on a mobile device typically happens in the background, unknown to the user, which can result in excessive data usage.

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14
Q

Bryson has contacted you because he needs to know what kind of data he can synchronize from his iPad to his PC.

What can Bryson synchronize from his iPad to his PC? (Select all that apply.)

A

Contacts Contacts can be synchronized between
Bryson’s iPad and his PC. He can use iTunes on
the PC to synchronize items.

E-books E-books can be synchronized between
Bryson’s iPad and the PC using iTunes. He will
need to download and install iTunes on his PC.

Photos Photos can be synchronized between
Bryson’s iPad and his PC. The sync can be
done
using iTunes by connecting the iPad to a USB
port on a PC or wirelessly using Wi-Fi. To sync
using Wi-Fi, Bryson will need to turn on the
feature with the device connected.

Music Music can be synchronized between Bryson’s
iPad and his PC. He can sync the music he
purchases on his iPad to his PC so that, if the
iPad fails, he will have a backup of the
purchases.

Notes Notes can be synchronized between Bryson’s
iPad and his PC using iTunes.

Calendar Calendar can be synchronized between
Bryson’s iPad and his PC using iTunes. He
can then enable iCloud Calendar and have his
appointments on both the PC and the iPad.

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15
Q

The touch screen on a mobile device is not responding to input.

Which of the following is the best step to take to resolve this issue?

A

Perform a factory reset on the device.

A factory reset will likely solve the issue and will also remove all installed apps and user data.

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16
Q

Which of the following operating systems can be modified and the source code redistributed?

A

Android

Android is an open source mobile OS managed by Google. Open source means the source code is available and anyone can modify and redistribute it.

17
Q

A user is asking her smartphone to recommend a restaurant, but the app cannot seem to find where the user is located. The device’s cellular service is active and functioning.

What is the first thing the user should check?

A

The user should verify location services is enabled on the smartphone.

Location-aware apps rely on location services. This setting should be checked first.

18
Q

Dennis is driving a car with his family onboard. His children are sitting on the backseat. They have a tablet and want to watch a video on the Internet.

What can Dennis do that will allow the children to watch a video on the Internet while in the car?

A

Enable a hotspot on his smartphone.

Dennis can create a hotspot on his smartphone. The hotspot will establish a wireless network that the tablet can join, which will enable the children to watch the video on the Internet.

19
Q

A mobile device is freezing almost daily. The device remains powered on and the screen illuminated. The user restarts the device, and it operates for another day or so. This problem has been occurring for several weeks.

Which of the following steps should the user take next to resolve this issue?

A

Check for OS updates.

The next step is to check for updates to the OS. If this does not resolve the issue, a data backup and factory reset may be required.

20
Q

Which of the following symptoms can be attributed to malware infection on a mobile device? (Select TWO.)

A

Slow data speeds.

Battery drains faster than normal.

Slow data speeds can be a symptom of excessive outbound traffic from the mobile device to online servers for malicious purposes.

Fast battery drain can be a symptom of malware apps running in the background to leak data to online servers.

21
Q

What smartphone feature allows a user to turn her phone to change from portrait view to landscape view when she is watching a video?

A

Accelerometer

The accelerometer measures movement of a smartphone to allow apps to orient the screen for best viewing options.

22
Q

Jerry is in the process of setting up a Bluetooth device. He has enabled Bluetooth, paired the device, and located the correct device.

What is the next step in the Bluetooth connection process?

A

Enter the pin code.

The next step is to enter the pin. A pin is used so that only the user with the pin can set up the Bluetooth connection.

23
Q

You want a method of authentication for company-owned mobile devices in which users are required to use two-step authentication.

Which of the following will best assist you in meeting this requirement?

A

Authenticator apps

An authenticator app can be installed on a mobile device to provide two-factor authentication. The most effective apps utilize TOTP (Time-Based One-Time Password) technology in which a PIN or passcode is provided to the user as the second method of authentication. The PIN has a very short lifespan and becomes invalid if not used within that lifespan.

24
Q

Your company wants to purchase a device that will allow it to give customers a 3D tour of its facility.

What kind of device would you recommend for this type of 3D tour?

A

Tethered VR headset

To give the best experience possible on the 3D tour, the company should use a tethered VR headset. A tethered headset uses a computer to render 3D graphics, allowing a more in-depth 3D experience.

24
Q

Randy is concerned about his company’s data security on the Internet. Because cellular signals are not encrypted, he is concerned that the new smartphones given to the sales department will allow a breach. Randy has decided the company needs a more secure way to allow the sales department to connect to the company network over the Internet.

What should Randy deploy to allow the sales department to connect to the company network securely over a cellular data signal?

A

VPN

A VPN creates an encrypted path or tunnel between two devices, making it appear to the computers that they are on the same network.