Question 1

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?
A) The firmware is out of date.
B) The charger is defective.
C) The AC power outlet is faulty.
D) The battery is going bad.

Accepted Answer

The battery going bad is the most likely cause for a mobile device to be warmer than usual and for the battery to lose its charge quicker than normal, especially after other common issues like malware, unused apps, and screen brightness have been addressed.

Question 2

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) Cellular service is weak in the office building.
B) Malware is interfering with the calls.
C) The user is connected to an unauthorized Wi-Fi network.
D) The user has exceeded the limit on her data plan.

Accepted Answer

Malware that was potentially downloaded or activated by checking email could interfere with the phone's normal operations, including making or maintaining calls. The issue being isolated to this user after checking email suggests a problem specific to her device, such as malware, rather than a broader network or service issue.

Question 3

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) Mobile VR headset
B) AR headset
C) Tethered VR headset
D) No current technology will allow a 3D tour.

Accepted Answer

A tethered VR headset provides high-quality graphics and immersive experiences, making it suitable for detailed 3D tours of facilities.

Question 4

A user called the help desk to report that her mobile device has apps on it that she does not remember installing. Several times throughout the day, she receives alerts in the notification bar from apps she does not recognize asking for permission to download and upload data.
Which of the following is the most likely cause for this behavior?
A) The mobile device has malware on it.
B) The company has pushed these apps to the device.
C) The anti-malware software is detecting and deleting infected apps.
D) The device is performing an OS update.

Accepted Answer

The most likely cause for unexpected apps being installed and seeking permissions to download and upload data is that the mobile device has been infected with malware. Malware can autonomously install unwanted apps and attempt to gain permissions to perform malicious activities.

Question 5

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 check the smartphone's battery for a low charge condition.
B) The user should check the smartphone for a weak or dropped Wi-Fi signal.
C) The user should verify location services is enabled on the smartphone.
D) The user should contact her cellular provider and ask for an update.

Accepted Answer

The user should verify that location services are enabled on the smartphone, as these services are necessary for apps to determine the user's location. Without location services enabled, the app cannot access the device's location even if cellular service is active.

Question 6

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) SSH
B) VPN
C) IMEI
D) POP3

Accepted Answer

A VPN (Virtual Private Network) creates a secure, encrypted connection over a less secure network, such as the Internet or cellular data signal. This ensures that data transmitted between the sales department's smartphones and the company network is encrypted and protected from interception.

Question 7

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?
A) Back up all user data and perform a factory reset.
B) Go ahead and install the app to clean the device.
C) Follow the instructions in the message and verify the app site is legitimate.
D) Disregard the message and check for a compromised app.

Accepted Answer

The answer of Your mobile device is displaying messages informing...

Question 8

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
B) VPN
C) IMAP
D) Tethering

Accepted Answer

Mutual authentication is a security process in which both parties in a communication verify each other's identities. In the scenario described, the cloud service and the client on the smartphone are verifying each other's security certificates before allowing data synchronization, which is a form of mutual authentication.

Question 9

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) Reset the device to factory defaults.
B) Update the mobile device firmware.
C) Close or disable all unused running apps.
D) Adjust the brightness control.

Accepted Answer

Closing or disabling all unused running apps can significantly improve a mobile device's performance, especially if the degradation occurs over time as more apps are left running in the background, consuming resources.

Question 10

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?
A) Tablet is in airplane mode.
B) Multiple apps are sending audio to the speakers.
C) The audio output is being directed to a Bluetooth speaker.
D) The battery needs to be charged.

Accepted Answer

The audio output being directed to a Bluetooth speaker would prevent sound from coming out of the tablet's internal speakers because the audio is being sent to another device.

Question 11

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) Google
B) Yahoo
C) OneDrive
D) iCloud

Accepted Answer

iCloud is specifically designed for Apple products like the iPad, allowing users to seamlessly save and access their pictures and files on the Internet.

Question 12

Which of the following is best practice to minimize the chance of infecting your mobile device with malware?
A) Install apps only from untrusted sources.
B) Install apps only from trusted sources.
C) Keep the device fully charged.
D) Perform regular backups.

Accepted Answer

Installing apps only from trusted sources is a best practice for minimizing the chance of infecting your mobile device with malware, as these sources typically vet the apps for security issues.

Question 13

You are preparing to give a presentation at a client's location using your mobile device and a large screen TV. You have successfully connected to the company's guest Wi-Fi network, and you tap the screen mirroring option on your device but cannot locate an available TV, monitor, or projector. The previous presenter finished her presentation a few minutes earlier and had no issues using the TV.
Which of the following is the most likely reason for this behavior?
A) The mobile device is on a different Wi-Fi network than the TV.
B) The large screen TV is connected to the wrong network segment.
C) The brightness control on the large screen TV has been set too low.
D) The mobile device does not support display mirroring.

Accepted Answer

The most likely reason you cannot locate an available TV, monitor, or projector for screen mirroring is that your mobile device is connected to a different Wi-Fi network than the TV. Screen mirroring typically requires both devices to be on the same network to communicate.

Question 14

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?
A) Short lifespan
B) Accessibility
C) Availability
D) Security

Accepted Answer

IoT devices, including smart lights, can be vulnerable to security breaches if not properly secured. This can lead to unauthorized access and control over the devices.

Question 15

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?
A) NFC tags
B) Bluetooth receivers
C) 4G tracking receivers
D) RFID tags

Accepted Answer

RFID tags are commonly used in inventory management because they can be scanned wirelessly and provide real-time tracking of items, making them ideal for tracking clothing inventories.

Question 16

Your company has asked you to do research how it can provide smartphones to its employees. The company wants to give employees access to OneDrive in order to synchronize data.

P1P1_E

What type of synchronization will you recommend to the company?P1P1_E A) Synchronization to the desktop B) Mutual authentication for synchronization C) Synchronization to the cloud D) Synchronization using wired network connections

Accepted Answer

Since the company wants to give employees access to OneDrive to synchronize data, the most appropriate type of synchronization is to the cloud, as OneDrive is a cloud storage service.

Question 17

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.
B) Factory reset the device.
C) Delete all user data.
D) Return the device to the manufacturer.

Accepted Answer

Checking for OS updates can resolve issues caused by software bugs or incompatibilities, which might be causing the device to freeze.

Question 18

Mark has been asked to set up several smartphones to connect to his company's email server. The company wants Mark to set them up so they can be synchronized between multiple email clients on multiple devices.
What protocol should Mark use to set up the company smartphones?
A) POP3
B) IMAP
C) VPN
D) Bluetooth

Accepted Answer

IMAP is designed for synchronizing emails across multiple devices, allowing users to view their email from any device and keeping the emails on the server. This makes it the best choice for setting up company smartphones for email synchronization.

Question 19

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.
B) Discover the device.
C) Sign in to Bluetooth.
D) Test the connection.

Accepted Answer

Entering the pin code is often required to establish a secure connection between Bluetooth devices, especially if it's the first time they are connecting or if the device has enhanced security features.

Question 20

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?
A) The device is running low on available storage space.
B) The battery is failing and will need to be replaced.
C) The device needs an operating system update.
D) The device is infected with malware.

Accepted Answer

Malware can cause a device to use more data than usual, run hotter due to increased processor activity, and potentially slow down data speeds as it performs malicious activities in the background.

Quiz 9: Supporting Mobile Devices

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 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?

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?

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?

Which of the following is best practice to minimize the chance of infecting your mobile device with malware?

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?

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?

Mark has been asked to set up several smartphones to connect to his company's email server. The company wants Mark to set them up so they can be synchronized between multiple email clients on multiple devices. What protocol should Mark use to set up the company smartphones?

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?

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?