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Exam 9: Supporting Mobile Devices

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Question 1

Multiple Choice

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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) Remove and replace the screen.
B) Use the Settings app to recalibrate the touch screen.
C) Perform a factory reset on the device.
D) Close all unresponsive apps.

E) None of the above
F) A) and B)

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Question 2

Multiple Choice

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A manager in your company wants to standardize all mobile device applications across different operating systems. Some users have Android mobile devices, some users have iOS devices, and some users have Windows Mobile devices. How can you best answer the manager in regard to his request?

A) No apps will run on all operating systems.
B) All mobile apps will run on all mobile operating systems.
C) Some apps will work on different OS platforms, but many will not.
D) The manager must settle on using a single mobile operating system.

E) A) and B)
F) A) and C)

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Question 3

Multiple Choice

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Sara wants to set up her lights to turn on when she arrives home. She has heard that she might be able to do this using IoT. What should Sara be concerned about when setting up her IoT lights?

Jerry recently purchased a new iPad. He needs guidance on setting it up and wants to find documentation to help with the setup. Where can Jerry find detailed steps on how to connect to a network, configure email, update the OS, sync, and back up settings and data, as well as what to do when things go wrong with his iPad or an iPhone?

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 mobile device you are troubleshooting is experiencing a sharp decrease in performance after an hour of operation. The user powers the device off each evening, and when it is powered on, performance returns to normal. After an hour of operation, performance degrades. Which of the following is the best action to take to resolve this issue?

A mobile device user has entered her user ID and password to access an online account. The user immediately receives a text message with a unique PIN that must be entered before she is granted access to the account.  Which of the following describes the security method being used?

Your mobile device has gone over its subscribed data limit the past two months. During this time, you have noticed that the device runs hotter than normal and data speeds seem slower than usual. Which of the following should you consider as a cause for these issues?

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?

John just bought a used iPad from a friend who had lost the charging cable. John notices that the cable is like the charging cable for his Android smartphone, though it is not quite the same. What type of cable will John need to purchase to replace the iPad's charger cable?

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

aSam cannot figure out why he can't get sound from his tablet's internal speakers and calls you asking for advice. You ask him to check to see if anything is stuck in the aux port. Sam assures you nothing is in the aux port. He also checks to make sure the sound is not muted. What might prevent Sam from getting sound from his tablet?

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 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?

Dillion's company has decided it wants to find a way to do a better job of tracking clothing inventories. Dillon has been asked to research ways to use the wireless network and IoT devices to help when tracking the clothing inventories. What should Dylan recommend to his company to help track the inventories?

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 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?

Your mobile device is displaying messages informing you that your device is infected with malware. The instructions tell you to install another app to properly remove the malware. What should you do?

The back cover of a mobile device is warmer than usual, and the battery seems to lose its charge much quicker than normal. The user has scanned for malware, closed unused apps, and decreased the brightness level of the screen, but the symptoms persist. Which of the following is the most likely cause for this behavior?

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?