Mobile Devices Quiz

Question 1

Which actions are considered best practices for monitoring the health of a mobile device battery?

Answer 1

• check for swelling, overheating, or failure to hold a charge.
• Monitor charging cycles and battery capacity degradation.
• Track battery health using built-in OS tools or third-party apps.

Question 2

What are the most common battery types used in modern portable devices?

Answer 2

• Lithium-ion (Li-ion)

-Lithium-ion Polymer (LiPo)

Question 3

What steps should be followed when replacing a mobile device’s battery?

Answer 3

• Follow manufacturer guidelines for safe removal and installation
• Ensure proper disposal of the old battery according to local regulations for electronic waste
• Ensure the replacement battery is compatible with the device model

Question 4

what laptop feature compensates for limited keyboard space by enabling additional functions on the same keys?

Answer 4

Fn Key

Question 5

Which of the steps listed below does NOT conform with recommended practices for diagnosing and repairing a mobile device’s keyboard?

• Implement proper ESD safety measures by using an anti-static wristband and working on an ESD mat to protect sensitive components from static discharge
• Perform comprehensive diagnostics using specialized key testing software to accurately identify any malfunctioning keys
• Use appropriate tools (such as precision screwdrivers and plastic pry tools) and OEM-approved replacement parts to avoid causing further damage during the repair
• Conduct detailed visual inspections to detect physical damage, debris accumulation, or water exposure on the keyboard
• Follow manufacturer guidelines by consulting the service manual or official repair guide to ensure safe disassembly and reassembly of the device
• Leave the device powered on during repair to provide immediate feedback on the exact malfunctioning component, such as a faulty key

Answer 5

• Leave the device powered on during repair to provide immediate feedback on the exact malfunctioning component, such as a faulty key

Question 6

Which of the following devices generally offers the easiest and most user-accessible RAM replacement procedure?

• Smartphone
• Tablet
• Gaming console
• Laptop

Answer 6

• Laptop

Question 7

Which of the tools listed below can be used to monitor the health and performance of a laptop’s storage drive?

• S.M.A.R.T
• Storage Sense
• chkdsk
• Disk defragmenter

Answer 7

S.M.A.R.T.

Question 8

What two drive malfunction symptoms are not present in SSDs?

Answer 8

• Grinding Noises
• Clicking sounds

Question 9

What should be the preliminary step of an HDD/SSD replacement procedure?

Answer 9

Backup the data on the existing drive

Question 10

What is the easiest method to monitor the wireless card’s performance in a mobile device?

• Check the Wi-Fi signal strength icon in the device’s notification area
• Observe any LED indicators for Wi-Fi status on the device
• Perform an online speed test to measure the connection’s performance

-Manually adjust the antenna position to improve signal strength

Answer 10

• Check the Wi-Fi signal strength icon in the device’s notification area

Question 11

Which actions should be performed first when replacing a faulty wireless card/module in a laptop?

Answer 11

• Power down the laptop and remove the battery
• Remove all screws and connectors during disassembly to aid reassembly

Question 12

Which of the following statements is true?

• Bluetooth modules are typically located near the device’s display and require screen removal for replacement
• Once a Bluetooth module is replaced, it will automatically adjust to the device’s current settings without the need for manual pairing
• Bluetooth is usually integrated into the Wi-Fi card or directly into the motherboard
• When replacing a faulty Bluetooth module, as long as the physical connectors match, the new Bluetooth module can come from a different device model

Answer 12

• Bluetooth is usually integrated into the Wi-Fi card or directly into the motherboard

Question 13

What is a recommended practice for assessing the effectiveness and reliability of biometric components on a mobile device?

• Using software tools to track scan success rates, response times, and error logs
• Ensuring proper calibration through built-in settings or specialized diagnostic software
• Tracking access attempts and failures for security auditing purposes
• Updating drivers and firmware to prevent malfunctions caused by outdated software
• All of the above

Answer 13

• All of the above

Question 14

After replacing a faulty biometric scanner on a mobile device, which essential step must be performed to ensure that the scanner produces accurate readings?

Answer 14

• recalibration

Question 15

A technician is troubleshooting a mobile device’s NFC functionality. Which action(s) would help verify the NFC scanner’s operational status?

• Check for dirt or moisture on the sensor’s surface
• Test the NFC functionality with a known compatible NFC tag or device
• Update the device’s screen brightness, as the NFC sensor relies on ambient light levels
• Connect to a Wi-Fi network to test device connectivity
• Ensure NFC is enabled in the device settings

Answer 15

• Check for dirt or moisture on the sensor’s surface
• Test the NFC functionality with a known compatible NFC tag or device
• Ensure NFC is enabled in the device settings

Question 16

correctly describe the typical location of a laptop’s Wi-Fi antenna

Answer 16

• Near the top, inside the display case

Question 17

Which of the following actions would not help in troubleshooting a malfunctioning mobile device camera?

• Inspect and clean the camera lens
• Verify camera settings and permissions
• Test camera functionality in multiple apps
• Adjust the host device’s screen brightness
• Check for firmware and software updates

Answer 17

• Adjust the host device’s screen brightness

Question 18

Which of the items listed below is NOT recommended for clearing potential blockages from a mobile device microphone?

• Lint-free cloth
• Soft brush
• Can of compressed air
• Microfiber cloth

Answer 18

• Can of compressed air

Question 19

What are the most common USB ports that can be found on mobile devices?

Answer 19

• USB-C
• MicroUSB
• MiniUSB

Question 20

A type of USB connection method commonly used in modern mobile devices due to its reversible design, fast data transfer, and power capabilities is known as?

Answer 20

USB-C

Question 21

Which proprietary connector was developed by Apple for its mobile devices?

Answer 21

Lightning

Question 22

NFC enables: (Select all that apply)

• Contactless payment transactions
• Long-range wireless communication
• Device pairing and data exchange
• Access control and authentication
• wireless charging of mobile devices

Answer 22

• Contactless payment transactions
• Device pairing and data exchange
• Access control and authentication

Question 23

what is a popular, short-range wireless standard for connecting various personal devices in a WPAN?

Answer 23

• Bluetooth

Question 24

Which of the terms listed below best describes a mobile device’s ability to share its Internet connection with other devices?

• Pairing
• Clustering
• Tethering
• Bonding

Answer 24

• Tethering

Question 25

A mobile hotspot is a device that creates a WLAN by acting as a portable WAP for other devices. True or false?

Answer 25

- True