Question 1

Which of the following symptoms can be attributed to malware infection on a mobile device? (Select TWO.)
A) Inaccurate touch screen response.
B) Slow data speeds.
C) Weak cellular service throughout a building.
D) Dim display while viewing in bright sun.
E) Battery drains faster than normal.

Accepted Answer

Malware running on a mobile device can consume system resources and network bandwidth, leading to slow data speeds (B) and increased power consumption, which causes the battery to drain faster than normal (E).

Question 2

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.

Accepted Answer

The answer of The touch screen on a mobile device...

Question 3

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) All apps automatically send information about errors to the device manufacturer.
B) The device will automatically email this information to the tech.
C) The user needs to take a screenshot and send it to the tech.
D) The method for retrieval is dependent on the specific app or device's operating system.

Accepted Answer

The method for retrieving information about app errors is typically dependent on the specific app or device's operating system. The technician will need to provide instructions to the user on how to access and provide the necessary information. This may include accessing logs or crash reports, providing specific error messages, or other troubleshooting steps. It is important for the technician to communicate clearly with the user and provide detailed instructions to ensure the correct information is retrieved.

Question 4

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) Back up all user data and perform a factory reset.
B) Check for sufficient available storage space.
C) Disable full device encryption.
D) Generate a new public key.

Accepted Answer

The most likely reason for the app installation failure is lack of sufficient storage space on the device. Therefore, the next step should be for the user to check how much storage space is available and clear out any unnecessary data if needed. Performing a factory reset (A) is not necessary at this point and should be avoided if possible as it will erase all user data. Disabling full device encryption (C) and generating a new public key (D) are not relevant to this situation.

Question 5

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 device is overheating and causing touch screen failure.
B) The screen protector is interfering with touch response.
C) The device is experiencing high resource usage.
D) The device has an unintended Wi-Fi connection.

Accepted Answer

The behavior described suggests that the touch response is inaccurate or off target, which could be caused by interference from a screen protector. Additionally, the misspelled words in text messages could be a result of the user accidentally touching the wrong letters on the keyboard due to the touch response issue. Overheating or high resource usage would not typically cause these specific issues, and an unintended Wi-Fi connection would not affect touch response or typing accuracy.

Question 6

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) OS updates
B) Firewalls
C) Trusted sources
D) Locator applications

Accepted Answer

Locator applications can help the mobile device users locate their misplaced devices, which can improve security by ensuring that sensitive information stored on the device does not fall into the wrong hands. OS updates, firewalls, and trusted sources are important security measures, but they will not directly address the issue of misplaced devices.

Question 7

Frank is traveling for work and has discovered that he forgot an important file. The good news is the file is in cloud storage. Unfortunately, Frank's laptop cannot connect to the airport's Wi-Fi.  
How can Frank download this important file? (Select all that apply.)
A) Create a hotspot
B) Use airplane mode
C) Tether his Laptop to his smartphone
D) Use a VPN to connect to cloud storage

Accepted Answer

A) Creating a hotspot with his smartphone can provide an internet connection to his laptop. C) Tethering his laptop to his smartphone can also provide an internet connection to his laptop, allowing him to access the cloud storage and download the file.

Question 8

Several of the contacts in your mobile device are responding to test messages that you sent them. However, you don't remember sending any of the messages.  
Which of the following is the reason for this behavior?
A) Someone else is sending text messages and signing your name.
B) Your device is malfunctioning and sending these messages.
C) Your device is sending spam messages to your contacts.
D) Your device's touch screen is nonresponsive

Accepted Answer

Your device might be compromised by malware or a virus that is sending spam messages to your contacts without your knowledge. This is a common behavior of mobile malware, which can use your device to spread spam or phishing messages.

Question 9

Which of the following symptoms is most likely related to leaked personal files/data on a mobile device?
A) Data transmission over limit
B) Frozen system
C) Dim display
D) Touch screen nonresponsive

Accepted Answer

Data transmission over limit may indicate that personal files or data are being transmitted without the user's knowledge or consent, indicating a potential leak or breach. The other symptoms are not directly related to a data leak on a mobile device.

Question 10

Jackson is setting up an IoT thermostat in his home. He has set up the IoT controller on his phone to control the device.  
What else does Jackson need in order for the thermostat to be considered an IoT?
A) IoT controller
B) IP address
C) App to control it over the Internet
D) IoT bridge

Accepted Answer

The answer of Jackson is setting up an IoT thermostat...

Question 11

You are troubleshooting a mobile device that will not pair with a Bluetooth headset. The device was functioning properly with the headset until a recent corporate-wide OS update. No other mobile devices in the organization are exhibiting this issue with Bluetooth headsets.  
Which of the following is the first step you will take to resolve this issue?
A) Reset the network settings in the mobile device Settings app.
B) Replace the Bluetooth headset with a new pair.
C) Update the radio firmware in the mobile device.
D) Forget all Wi-Fi networks on the mobile device.

Accepted Answer

Since the issue began after a recent OS update, resetting the network settings will likely resolve any conflicting network settings that may be preventing the device from pairing with the Bluetooth headset. Simply replacing the headset or updating the radio firmware may not address the root cause of the issue. Forgetting Wi-Fi networks is unrelated to the issue with Bluetooth pairing.

Question 12

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
B) E-books
C) Photos
D) Music
E) Notes
F) Location Data
G) Calendar

Accepted Answer

Bryson can synchronize contacts, e-books, photos, music, notes, and calendar events from his iPad to his PC. Location data may not be necessary or desired to synchronize for everyone, so it is not a "best" choice.

Question 13

A mobile device user is having problems keeping malware off his device. The user is continuously removing offending apps and regularly running a check for OS updates. After a short period of relief, the malware continues to be a problem.  
Which of the following are the best actions for the user to take? (Select TWO.)
A) Perform a factory reset.
B) Disable full device encryption.
C) Install an anti-malware app.
D) Remove unused apps.
E) Jailbreak or root the device.

Accepted Answer

Performing a factory reset can help remove any malware that has deeply embedded itself in the device, essentially giving the user a clean slate. Installing an anti-malware app can provide ongoing protection against future malware infections by detecting and removing malicious software.

Question 14

Is it true or false that most smartphone devices have radio firmware that allows listening to FM radio frequencies?

Accepted Answer

Most smartphone devices have radio firmware that allows listening to FM radio frequencies. However, some manufacturers and carriers choose to disable this feature on their devices.

Question 15

A technician is troubleshooting a mobile device that is experiencing very slow performance, and the decision has been made to perform a factory reset.  
Which of the following actions should the technician take before starting the reset process?
A) Clear the screen lock properties.
B) Wipe all confidential user data.
C) Disable all unused apps.
D) Back up all user data.

Accepted Answer

Before performing a factory reset, the technician should back up all user data to prevent data loss. This includes contacts, photos, videos, and any other important information stored on the device. Clearing screen lock properties and disabling unused apps can be done after the reset process. Wiping confidential user data may not be necessary unless there is a security concern.

Question 16

Which of the following operating systems can be modified and the source code redistributed?
A) Android
B) iOS
C) Windows Mobile
D) Chrome OS

Accepted Answer

Android is an open source operating system that can be modified and the source code can be redistributed. iOS, Windows Mobile, and Chrome OS are not open source operating systems.

Question 17

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) Remove the display protector.
B) Replace the battery.
C) Disable the auto-brightness option.
D) Disable unused apps.

Accepted Answer

Disabling the auto-brightness option will allow the user to manually adjust the brightness to a level that is suitable for the dimly lit room. Removing the display protector or replacing the battery are unlikely to resolve the issue. Disabling unused apps may improve device performance, but will not address the brightness issue.

Question 18

Your mobile device appears to be contacting a remote server to upload your personal data.  
Which of the following should be performed first to protect your personal data?
A) Install anti-malware software.
B) Switch to airplane mode.
C) Verify you are on the correct Wi-Fi network.
D) Perform a factory reset.

Accepted Answer

Switching to airplane mode is the immediate action that can help protect your personal data by cutting off all wireless communications (cellular, Wi-Fi, Bluetooth), thereby preventing your device from uploading data to a remote server.

Quiz 9: Supporting Mobile Devices

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

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 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 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 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?

Frank is traveling for work and has discovered that he forgot an important file. The good news is the file is in cloud storage. Unfortunately, Frank's laptop cannot connect to the airport's Wi-Fi. How can Frank download this important file? (Select all that apply.)

Several of the contacts in your mobile device are responding to test messages that you sent them. However, you don't remember sending any of the messages. Which of the following is the reason for this behavior?

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

Jackson is setting up an IoT thermostat in his home. He has set up the IoT controller on his phone to control the device. What else does Jackson need in order for the thermostat to be considered an IoT?

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.)

Is it true or false that most smartphone devices have radio firmware that allows listening to FM radio frequencies?

A technician is troubleshooting a mobile device that is experiencing very slow performance, and the decision has been made to perform a factory reset. Which of the following actions should the technician take before starting the reset process?

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

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?

Your mobile device appears to be contacting a remote server to upload your personal data. Which of the following should be performed first to protect your personal data?