Mobile Devices & Laptop Hardware practice test: free CompTIA A+ Core 1 questions

Sample Practice Questions for Mobile Devices & Laptop Hardware

1. Question 1Ref: CompTIA A+ 220-1201 — Mobile Devices, 13%

   A smartphone charges slowly and drains quickly. What should the technician check first?

   ACharging cable and portBReplace the batteryCFactory reset deviceDOS update
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   Correct Answer
   A. Charging cable and port

   The keyed answer is "Charging cable and port". A damaged cable or dirty port is the most common cause of slow charging. Battery replacement, resets, and updates are less likely.

2. Question 2Ref: CompTIA A+ 220-1201 — Mobile Devices, 13%

   Which mobile component enables contactless payment at retail terminals?

   ABluetooth Low EnergyBNear Field CommunicationCMiracast displayDInfrared port
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   Correct Answer
   B. Near Field Communication

   The keyed answer is "Near Field Communication". NFC enables short-range data exchange for tap-to-pay. Bluetooth Low Energy connects peripherals, Miracast mirrors displays.

3. Question 3Ref: CompTIA A+ 220-1201 — Mobile Devices, 13%

   A user wants to project their tablet screen to a conference room TV wirelessly. Which feature should they use?

   AHotspot tetheringBMobile device managementCScreen mirroringDAirplane mode
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   Correct Answer
   C. Screen mirroring

   The keyed answer is "Screen mirroring". Screen mirroring wirelessly projects the device display to a TV. Hotspot tethering shares internet, MDM enforces policies.

4. Question 4Ref: CompTIA A+ 220-1201 — Mobile Devices, 13%

   A technician needs to configure 20 phones with the same email and security policies. Which tool is best?

   ARemote desktopBDisk imagingCBIOS setupDMobile device management
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   Correct Answer
   D. Mobile device management

   The keyed answer is "Mobile device management". MDM pushes standardized configurations to multiple devices simultaneously. Remote desktop controls one PC at a time.

5. Question 5Ref: CompTIA A+ 220-1201 — Mobile Devices, 13%

   Which mobile display technology offers the deepest black levels and lowest power use?

   AOLEDBIPS LCDCVA LCDDCCFL LCD
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   Correct Answer
   A. OLED

   The keyed answer is "OLED". OLED pixels turn off completely for true black and use less power. LCD variants require a backlight that cannot disable pixels.

6. Question 6Ref: CompTIA A+ 220-1201 — Mobile Devices, 13%

   After dropping a laptop, a thin colored line appears along one screen edge. What is the most likely cause?

   ALoose video cableBDamaged LCD panelCFailing GPUDDriver corruption
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   Correct Answer
   B. Damaged LCD panel

   The keyed answer is "Damaged LCD panel". A persistent line after impact indicates a cracked LCD panel. Loose cables cause intermittent issues, GPUs show broader artifacts.

7. Question 7Ref: CompTIA A+ 220-1201 — Mobile Devices, 13%

   A device connects to Wi-Fi but has no internet. Other devices on the same network work fine. What should the technician check first?

   AReplace wireless cardBDisable Wi-Fi adapterCReconnect with correct passwordDContact ISP
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   Correct Answer
   C. Reconnect with correct password

   The keyed answer is "Reconnect with correct password". A wrong saved password can pass association but fail internet authentication. Hardware replacement is premature.