CompTIA 220-1101 Online Practice Questions and Exam Preparation

CompTIA 220-1101 Online Questions & Answers

• Question 571:

  A technician has discovered that some users are connected to a network that is not available on the user interface.

  Which of the following is the most effective tool the technician can use to identify networks that are not broadcasting SSIDs?

  A. Cable tester
  B. Toner probe
  C. Wi-Fi analyzer
  D. Loopback plug
  C. Wi-Fi analyzer

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  Explanation

  Comprehensive and Detailed Step-by-Step Explanation:

  Wi-Fi Analyzer:

  Incorrect Options:

  Cable tester: A cable tester is used to test the integrity of physical network cables. It does not detect wireless networks or SSIDs.

  Toner probe: A toner probe is used to trace and identify cables within a wiring system. It is not applicable to wireless network analysis.

  Loopback plug: A loopback plug is used to test the functionality of a network port or NIC. It is unrelated to identifying hidden wireless networks.

  CompTIA A+ Core 1 Exam Objectives (220-1101), Domain 2.5 ?Explain basic wired and wireless networking concepts, including Wi-Fi tools and protocols.

• Question 572:

  A technician replaced a motherboard on a server, and now the 64-bit hypervisor is not loading correctly. Which of the following needs to be enabled for the hypervisor to run?

  A. Hardware prefetcher
  B. Hyperthreading
  C. vPro
  D. VT-d
  D. VT-d

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  Explanation

  https://techlibrary.hpe.com/docs/iss/proliant-gen10-uefi/s_enabling_VT- d.html Enabling VT-d (Virtualization Technology for Directed I/O) in the server's BIOS settings is required for the hypervisor to run properly.

  References: CompTIA A+ Certification Exam Guide, Ninth Edition, Chapter 11

• Question 573:

  A technician is troubleshooting a classroom projector that shuts down after fifteen minutes of use. Which of the following should the technician do to resolve the issue?

  A. Replace the video input cable.
  B. Change the bulb.
  C. Clean the air filter.
  D. Swap the power cord.
  C. Clean the air filter.

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  Explanation

  Cleaning the air filter is the best action to resolve the issue of a projector that shuts down after fifteen minutes of use. A dirty air filter can cause overheating and trigger the projector's thermal protection mechanism. Replacing the video input cable, changing the bulb, or swapping the power cord are unlikely to solve the overheating issue

• Question 574:

  After a company upgraded its network infrastructure, a single user reported experiencing slow network speeds on their desktop. No other users with the same desktop configuration within the department have reported an issue. Which of the following actions should a technician do first?

  A. Update Internet bandwidth speed.
  B. Update the BIOS firmware.
  C. Replace the motherboard.
  D. Replace the patch cable.
  D. Replace the patch cable.

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  Explanation

  Since the issue is isolated to a single user and their desktop, the most likely cause is a physical connection problem. Replacing the patch cable is the simplest and quickest way to isolate whether the issue lies with the user's workstation or the network infrastructure.

  If replacing the patch cable doesn't resolve the issue, then further troubleshooting can be conducted.

• Question 575:

  A user reports that a printer pulls multiple sheets of paper from the paper tray instead of a single sheet. Which of the following should a technician investigate to resolve this issue? (Select two).

  A. Toner cartridge
  B. Tractor feed
  C. Pickup roller
  D. Separation pad
  E. Duplexer
  F. Fuser
  C. Pickup roller
  D. Separation pad

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  Explanation

  The correct answers are

  C. Pickup roller and

  D. Separation pad. A pickup roller is a rubber wheel that grabs the paper from the paper tray and feeds it into the printer. A separation pad is a small piece of cork or rubber that prevents more than one sheet of paper from being fed at a time. If the pickup roller or the separation pad is worn out, dirty, or damaged, it can cause the printer to pull multiple sheets of paper instead of a single sheet. This can lead to paper jams, misprints, or wasted paper. To resolve this issue, a technician should investigate the condition of the pickup roller and the separation pad and replace them if necessary. The technician should also clean the paper tray and make sure the paper is loaded correctly and not stuck together. A toner cartridge is a component that contains the toner powder used to create the printout on a laser printer. A tractor feed is a mechanism that uses sprockets to move continuous paper through a dot matrix printer. A duplexer is a device that allows a printer to print on both sides of the paper automatically. A fuser is a part of a laser printer that melts the toner onto the paper using heat and pressure. None of these components are related to the issue of pulling multiple sheets of paper from the paper tray.

  Types of Printers--What You Need to Know for the CompTIA A+ Exams

• Question 576:

  Which of the following services is used to allocate IP addresses in an enterprise-wide environment?

  A. DNS
  B. Syslog
  C. Telnet
  D. DHCP
  D. DHCP

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  Explanation

  Dynamic Host Configuration Protocol (DHCP) is a network service used to automatically assign IP addresses and other network configuration details (such as subnet masks and default gateways) to devices on an enterprise-wide network.

  Why Not A (DNS): DNS resolves domain names to IP addresses but does not allocate IP addresses.

  Why Not B (Syslog): Syslog is used for logging system events, not IP address management.

  Why Not C (Telnet): Telnet is a protocol for remote access, not for IP allocation.

  Core 1 (220-1101), Section 2.6, DHCP concepts.

• Question 577:

  A technician is troubleshooting a Windows CAD workstation that is running slow. The computer uses RAID 10 and has dual GPU cards. The user states that the same application runs faster on an identical workstation.

  Which of the following should the technician perform FIRST to troubleshoot the problem?

  A. Replace the write cache battery.
  B. Check the event log any cache issues.
  C. Clear the RAID configuration file and restart the PC.
  D. Replace the RAID controller write cache module.
  B. Check the event log any cache issues.

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  Explanation

• Question 578:

  Vertical streaks are appearing on the output of a laser printer. Which of the following items is the MOST likely cause?

  A. Roller
  B. Drum
  C. Transfer belt
  D. Ribbon
  B. Drum

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  Explanation

  Vertical or horizontal lines--Marks that appear in the same place (referred to as repetitive defects) are often due to dirty feed rollers (note that there are rollers in the toner cartridge and fuser unit too) or a damaged or dirty photosensitive drum. Vertical streaks on a laser printer output are usually caused by a damaged or worn-out drum, which is responsible for transferring toner to the paper. If the drum is damaged, toner may accumulate on certain parts of the drum, leading to streaks on the printed output.

  References: CompTIA A+ Certification All-in-One Exam Guide, Tenth Edition, Chapter 15

• Question 579:

  A technician is troubleshooting a wireless network issue that is intermittently affecting two users.

  Which of the following is the most likely cause of the issue?

  A. Incorrect SSID
  B. Offline DHCP server
  C. Corrupted router firmware
  D. Duplicate IP addresses
  D. Duplicate IP addresses

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  Explanation

  When two devices on the same network are assigned the same IP address, it can lead to intermittent connectivity issues as the network switches between the two devices. This situation, known as an IP address conflict, can disrupt the normal operation of the network, leading to connectivity problems that appear sporadic or intermittent. Resolving duplicate IP addresses typically involves ensuring DHCP is correctly configured or manually setting unique static IP addresses for devices prone to conflicts.

• Question 580:

  Which of the following technologies can be used to connect a home PC to a company's network?

  A. VLAN
  B. VM
  C. VPN
  D. VoIP
  C. VPN

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  Explanation

  A VPN allows a user to establish a secure, encrypted connection over the internet to the company's network, enabling remote access to network resources as if the user's device were physically connected to the company's internal network. This technology is commonly used to facilitate secure remote access for employees work