CompTIA 220-1101 Online Practice Questions and Exam Preparation

CompTIA 220-1101 Online Questions & Answers

• Question 511:

  Which of the following wireless standards is only capable of 5GHz frequencies?

  A. 802.11a
  B. 802.11ac
  C. 802.11b
  D. 802.11g
  A. 802.11a

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  Explanation

• Question 512:

  A technician is talking to end users about the specifications for an upgraded application server. The users of the application report that there cannot be any unscheduled downtime or data loss. Additionally, they would like the performance of the application to improve over the previous server in any way possible. The previous server running RAID 5. Which of the following RAID solutions should be implemented in this scenario?

  A. RAID 0
  B. RAID 2
  C. RAID 6
  D. RAID 10
  D. RAID 10

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  Explanation

• Question 513:

  A technician is installing a new high-end graphics card that uses a 12VHPWR connector.

  Which of the following is the maximum wattage supported by this power connector?

  A. 400W
  B. MOW
  C. 600W
  D. 700W
  C. 600W

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  Explanation

  The 12VHPWR connector can supply up to 600 watts of power, designed for high-end graphics cards.

  Why Not A (400W): This is less than the connector's maximum capability.

  Why Not B (MOW): This is an invalid option.

  Why Not D (700W): The maximum supported power is 600W.

  Core 1 (220-1101), Section 3.4, power supply and connectors.

• Question 514:

  After a new network printer is installed and added to the print server, users are unable to install the printer. However, the technician is able to install the printer when logged in to a user's computer as an administrator. Which of the following is the best option to allow all users to print to the new printer?

  A. Install all applicable print drivers on the print server.
  B. Map the users to a print share for driver installation.
  C. Give all users temporary administrator rights to install the new printer.
  D. Remotely log in to all users' computers and install the printer.
  A. Install all applicable print drivers on the print server.

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  Explanation

• Question 515:

  While on a VoIP call, one user is unable to understand the other because the audio is breaking up. Which of the following BEST describes what is occurring on the call?

  A. High latency
  B. External interference
  C. No connectivity
  D. Port flapping
  A. High latency

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  Explanation

  High latency is what best describes what is occurring on a VoIP call when one user is unable to understand the other because the audio is breaking up. Latency is the delay between sending and receiving data over a network, and high latency can cause poor quality or interruptions in VoIP calls. External interference, no connectivity, or port flapping are not likely to cause audio breaking up, but rather complete loss of signal or connection.

• Question 516:

  Which of the following is a legacy, 15-pin cable type?

  A. DisplayPort
  B. DVI
  C. VGA
  D. HDMI
  C. VGA

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  Explanation

  VGA (Video Graphics Array) is a legacy 15-pin connector used for transmitting analog video signals. VGA was commonly used to connect monitors to computers, but it has been largely replaced by more modern digital interfaces like DVI and HDMI.

  VGA: A legacy 15-pin connector used for analog video signals.

  Why the other options are incorrect:

  DisplayPort: DisplayPort is a newer digital interface and does not use a 15-pin connector.

  DVI: DVI (Digital Visual Interface) is a digital connector used for video signals but does not have 15 pins.

  HDMI: HDMI is also a digital interface for audio and video, but it uses a different connector with no 15 pins.

  This topic relates to the Hardware domain in the CompTIA A+ Core 1 exam.

• Question 517:

  An online retailer would like to add capacity to support increased sales. Additional servers have been installed. Which of the following should be used to ensure each new server is being properly utilized?

  A. Virtualization
  B. Clustering
  C. Load balancer
  D. Round-robin DNS
  C. Load balancer

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  Explanation

  https://www.resonatenetworks.com/2020/04/29/clustering-vs-load-balancing- whats-the-difference/

  A load balancer distributes network traffic evenly across multiple servers, ensuring each server is being properly utilized. This helps to prevent overloading of any individual server, which can cause downtime or slow response times for users.

  In this scenario, adding a load balancer would be the best way to ensure the new servers are being properly utilized.

  References: CompTIA A+ Certification Exam: Core 1 - Page 181

• Question 518:

  A technician is upgrading the Wi-Fi card on a laptop. Which of the following should the technician do first?

  A. Disconnect the Wi-Fi antenna cables.
  B. Set the physical Wi-Fi switch to disabled.
  C. Remove the power cable.
  D. Install card drivers.
  C. Remove the power cable.

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  Explanation

  The first step a technician should take before upgrading the Wi-Fi card on a laptop, or performing any internal hardware modifications, is to remove the power cable to ensure the device is not powered on. This is a crucial safety measure to prevent any electrical damage to the laptop or the technician. It also helps in avoiding any unintended changes or data loss that might occur if the device is powered on during the upgrade process.

  References:

  CompTIA A+ Core 1 (220-1101) Exam Objectives, specifically the hardware domain that discusses best practices for safety and the procedures to follow when upgrading or replacing internal hardware components, such as a Wi-Fi card.

  General safety guidelines for performing hardware upgrades or repairs, emphasizing the importance of ensuring the device is powered off and disconnected from any power sources to avoid electrical hazards.

• Question 519:

  A technician needs to add storage to a workstation. The workstation does not have room to add any internal storage, so the technician plans to add an external storage device. Which of the following connection types should the technician MOST likely use?

  A. SCSI
  B. eSATA
  C. PCIe
  D. NVMe
  B. eSATA

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  Explanation

  eSATA is the best choice for adding external storage as it offers a fast transfer rate and is specifically designed for external storage devices. SCSI is an older interface that is rarely used today, PCIe is typically used to add expansion cards to a computer, and NVMe is a newer interface for high-speed solid-state storage, but it is typically used for internal storage devices.

• Question 520:

  Which of the following DNS records is used to point to a mail server?

  A. TXT
  B. AAA
  C. A
  D. MX
  D. MX

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  Explanation

  An MX (Mail Exchange) record in DNS specifies the mail server responsible for accepting email messages on behalf of a domain. It is a vital component of the email delivery process, directing email to the correct server based on the domain part of the email address. Without properly configured MX records, a domain's email system cannot function correctly.