CompTIA 220-1201 Online Practice Questions and Exam Preparation

CompTIA 220-1201 Online Questions & Answers

• Question 311:

  While using a laptop and Bluetooth headset for conference calls, a user notices intermittent sound issues. The user frequently walks between office rooms during calls, leaving the laptop in place. The office network uses fiber internet and has two connected APs.

  What is the MOST likely cause?

  A. The number of available APs is inadequate.
  B. The user is moving in and out of range.
  C. The APs are not in mesh mode.
  D. The internet connection is too slow.
  B. The user is moving in and out of range.

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  Explanation

  Bluetooth audio issues are typically related to distance and signal strength , not internet connectivity or Wi-Fi access points. Bluetooth devices--especially headsets--generally have a limited effective range of around 10 meters (33 feet) for Class 2 Bluetooth, which is common in consumer laptops and headsets. When the user leaves the room and walks into adjacent offices, they are likely moving beyond the optimal Bluetooth range or passing through walls that weaken the signal.

  CompTIA A+ highlights that Bluetooth uses low-power radio frequencies easily disrupted by physical obstructions, distance, and interference. Since the laptop remains stationary and the user moves, the headset becomes progressively further from the laptop, causing intermittent audio dropouts, stuttering, or loss of connection.

  The number of APs (A) is irrelevant because the headset is not using Wi-Fi. Mesh mode (C) applies only to wireless AP-to-AP communication. The internet connection (D) is high-quality fiber and conference calls work fine when stationary, so the issue is not bandwidth or WAN throughput.

  Thus, the most likely cause is that.the user is moving in and out of Bluetooth range

• Question 312:

  Which of the following virtualization technologies is best suited for running microservices?

  A. Containers
  B. VDI
  C. Type 2 hypervisors
  D. Type 1 hypervisors
  A. Containers

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  Explanation

  Containers provide lightweight virtualization, ideal for deploying microservices because they are isolated, portable, and require fewer resources than traditional VMs.

  From CompTIA A+ 220-1101 Official Study Guide, Objective 3.7 -Virtualization and cloud computing:

  "Containers package applications and their dependencies, making them ideal for running microservices efficiently and independently."

  Verified Source: CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 3: Cloud and Virtualization CompTIA Exam Objectives 220-1101, Domain 3.7

• Question 313:

  Which of the following describes metered utilization of cloud resources?

  A. Resources provisioned instantly
  B. Payments made only for resources that are used
  C. Resources pooled to increase computing power
  D. Implementation of rapid elasticity
  B. Payments made only for resources that are used

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  Explanation

  Metered utilization of cloud resources refers to payments made only for resources that are used. Cloud providers offer a pay-as-you-go model where customers are charged based on their usage of resources. Customers can easily scale up or down their usage of resources as per their needs and only pay for what they use.

  References:

  CompTIA A+ Certification All-in-One Exam Guide, Tenth Edition by Mike Meyers (Page 642)

• Question 314:

  Which of the following characteristics differentiates DDR4 RAM from DDR3 RAM?

  A. Lower operating voltage
  B. Higher latency
  C. Increased DIMM width
  D. Single-sided modules
  A. Lower operating voltage

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  Explanation

  Comprehensive and Detailed Explanation From Exact Extract (Aligned With CompTIA A+ 220-1201 Study Guide)

  CompTIA A+ Core 1 memory standards describe the differences between DDR generations. One of the key improvements in DDR4 over DDR3 is reduced operating voltage , which allows lower power consumption and increased efficiency.

  DDR3 operates at 1.5V (some variants 1.35V) DDR4 operates at 1.2V (some variants 1.05V LPDDR4)

  This lower voltage is a recognized defining characteristic separating DDR4 from DDR3.

  Other differences such as increased speed and internal bank structure exist, but the question specifically asks for the characteristic that differentiates DDR4 from DDR3 -- and voltage is the correct, primary distinction used in CompTIA A+ materials.

  Why the other options are incorrect

  B. Higher latency DDR4 generally has slightly higher CAS latency numbers , but due to increased speed, real latency is similar. This is not the standard differentiator referenced by CompTIA.

  C. Increased DIMM width DDR3 and DDR4 standard DIMMs both have a 64-bit data width.

  D. Single-sided modules Both DDR3 and DDR4 can be single-or double-sided; not a differentiating factor. Final Answer: A

• Question 315:

  Which of the following technologies can allow multiple networks to traverse a switch?

  A. VLAN
  B. VRRP
  C. VPN
  D. DHCP
  A. VLAN

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  Explanation

  The technology that allows multiple networks to traverse a switch is VLAN (Virtual Local Area Network) which is a logical grouping of devices on the same network regardless of their physical location 12. Virtual Local Area Network (VLAN) technology can allow multiple networks to traverse a switch. A VLAN is a logical network created within a physical network that can separate traffic and allow multiple networks to coexist on the same physical network infrastructure. VRRP (Virtual Router Redundancy Protocol), VPN (Virtual Private Network), and DHCP (Dynamic Host Configuration Protocol) do not allow multiple networks to traverse a switch.

  References:

  CompTIA A+ Certification Exam: Core 1 - Objective 3.2

• Question 316:

  A healthcare facility is printing government documents on preprinted forms. The output has shifted downward on the paper and the printed data is not aligned with the blank spaces on the forms.

  Which of the following should a technician do first?

  A. Verify that the correct paper type is loaded into the tray.
  B. Make sure that PostScript drivers are being used.
  C. Check the orientation settings of the printer.
  D. Ensure that the pickup rollers are firmly gripping the paper.
  A. Verify that the correct paper type is loaded into the tray.

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  Explanation

  When printing on preprinted forms , precise alignment is critical. If print output shifts downward on the page, the first step is to ensure that the correct paper type and form stock are loaded properly. CompTIA A+ emphasizes verifying media type and tray configuration when dealing with alignment issues, especially in environments using specialized or preformatted paper.

  Preprinted forms often require thicker media, specialty settings, or exact tray loading orientation to ensure feeding accuracy. If the wrong paper type is selected on the printer or print driver, the printer may adjust feed rate, roller pressure, or margin expectations incorrectly, causing vertical misalignment. Thus, confirming the correct paper type is loaded--and that the printer is configured for that type--is the most fundamental starting point. Orientation settings (C) could affect sideways alignment but not vertical shifting. Pickup rollers (D) can cause skewing or paper jams, but they generally do not cause consistent downward shifts. PostScript drivers (B) relate to graphic rendering but do not affect form alignment unless dealing with complex images, which is not indicated here.

  Therefore, confirming correct paper type and loading aligns with CompTIA's troubleshooting methodology: always check the simplest, most likely physical cause first--especially with form printing.

• Question 317:

  A user's smartphone frequently disconnects from Wi-Fi networks, particularly in crowded areas like airports and coffee shops. The user also notices that their device shows a lower Wi-Fi signal strength compared to other devices in the same location.

  Which of the following is likely contributing to the smartphone's Wi-Fi connectivity issues?

  A. The smartphone's antenna may be malfunctioning.
  B. The smartphone may have an outdated Wi-Fi standard.
  C. The smartphone may be experiencing interference from nearby devices.
  D. The smartphone's power settings may be affecting performance.
  A. The smartphone's antenna may be malfunctioning.

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  Explanation

  The symptoms clearly point to a hardware-level signal degradation issue , which is most commonly caused by a malfunctioning or damaged Wi-Fi antenna in the smartphone. CompTIA A+ mobile device troubleshooting emphasizes comparing the affected device's signal strength with other nearby devices. In this case, other devices in the same location have stronger Wi-Fi signals , meaning the network itself is functioning normally. The consistent low signal across multiple networks strongly suggests antenna failure.

  Modern smartphones use internal antenna assemblies located along the frame or behind the back cover. If the antenna becomes loose, damaged, or obstructed, the device may show weak or unstable Wi-Fi connectivity, especially in crowded environments where strong, stable reception is required to maintain a connection.

  Option B (outdated Wi-Fi standard) would limit speed but not cause significant signal weakness compared to surrounding devices.

  Option C (interference) affects all devices in an area similarly--not just one device.

  Option D (power settings) may reduce background activity or scanning frequency, but it does not cause consistently low signal strength.

  Therefore, the most likely cause is a malfunctioning Wi-Fi antenna inside the smartphone.

• Question 318:

  A user's track pad has stopped working.

  Which of the following should the user do to resolve the track pad's functionality?

  A. Reinstall the mouse drivers
  B. Use the Function key.
  C. Calibrate the digitizer
  D. Configure the mouse settings. ?
  A. Reinstall the mouse drivers

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  Explanation

  If your touchpad isn't working, it may be a result of a missing or out-of-date driver. Updating or reinstalling your touchpad drivers in Device Manager may help solve the problem. To open Device Manager, enter device manager in Search on the taskbar, then select Device Manager.

• Question 319:

  An IT specialist compares Bluetooth and NFC technologies for mobile device connectivity.

  Which of the following statements accurately describes a key difference between the two?

  A. NFC is faster than Bluetooth when transferring large files between devices.
  B. NFC consumes more power than Bluetooth, making it less suitable for devices in which battery conservation is crucial.
  C. NFC requires pairing with the receiving host, whereas Bluetooth just needs the available connection.
  D. NFC works best within a few centimeters, but Bluetooth can connect devices that are up to 32ft (10m) apart.
  D. NFC works best within a few centimeters, but Bluetooth can connect devices that are up to 32ft (10m) apart.

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  Explanation

  NFC (Near-Field Communication) operates at very short ranges - usually less than 4cm, and is ideal for quick, secure transactions like contactless payments.Bluetooth supports longer ranges (up to 10 meters or 32 feet) and is suited for ongoing connections like wireless headsets or file transfers.

  Option A:Bluetooth is faster for large file transfers.

  Option B:NFC usesless power, not more.

  Option C:NFC doesnotrequire pairing - Bluetooth does.

  References:

  Objective 1.5: Given a scenario, connect and configure accessories and ports of mobile devices.

• Question 320:

  After troubleshooting a computer's connectivity, the network team determines there is a port-mapping issue. After plugging the patch cable into a different port, the issue persists.

  Which of the following troubleshooting steps should a technician take next to resolve the issue?

  A. Convert the patch cable to a crossover cable.
  B. Test the patch cable from the computer to the network closet.
  C. Verify the length of the patch cable meets current standards.
  D. Replace the patch cable from the device to the wall.
  B. Test the patch cable from the computer to the network closet.

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  Explanation

  When port issues persist after moving to a different switch port, the next logical troubleshooting step is to test the patch cable. Faulty or damaged cables are a common cause of network connectivity problems. Using a cable tester between the computer and the network closet verifies the integrity of the cable and rules out a physical layer issue.

  From CompTIA A+ 220-1101 Official Study Guide, Objective 4.2 -Troubleshoot wired and wireless networks:

  "If a device continues to experience connectivity issues after switching ports, test the cabling with a cable tester to check for continuity, shorts, or pinout issues before replacing hardware."

  Verified Source:

  CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 4: Troubleshooting Network Connectivity CompTIA Exam Objectives 220-1101, Domain 4.2