[Apr 30, 2025] 220-1101 Test Prep Training Practice Exam Questions Practice Tests

Exam Questions Answers Braindumps 220-1101 Exam Dumps PDF Questions

NEW QUESTION # 91
Which of the following 802.11 Wi-Fi protocols utilizes the 5.0GHz frequency and has the BEST speed and reception?

• A. 802.11n
• B. 802.11a
• C. 802.11b/g/n
• D. 802.11 ax

Answer: D

Explanation:
Explanation
802.11 ax is a wireless networking protocol that utilizes the 5.0GHz frequency and has the best speed and reception among the options given. 802.11 ax offers higher data rates, lower latency, increased capacity, and improved power efficiency than previous protocols. It is also known as Wi-Fi 6 or High Efficiency Wireless (HEW). 802.11a also uses the 5.0GHz frequency, but it is an older protocol that has lower speed and reception than 802.11 ax. 802.11b/g/n use the 2.4GHz frequency, which is more crowded and prone to interference than the 5.0GHz frequency. 802.11n can use both frequencies, but it is also slower and less efficient than 802.11 ax.
Reference: https://www.comptia.org/training/books/a-core-1-220-1101-study-guide (page 82)

NEW QUESTION # 92
An administrator notices that on an intermittent basis the virtual machines are running slowly. The virtual machines are correctly sized, and the hardware has enough free resources to cope with demand. Which of the following is most likely the cause?

• A. The physical servers are not able to draw enough power.
• B. The physical servers are throttling due to overheating.
• C. The physical servers do not have enough network bandwidth.
• D. The physical servers are contending for resources.

Answer: B

Explanation:
The physical servers are throttling due to overheating. This means that the servers are reducing their performance to prevent damage from excessive heat. This can cause the virtual machines to run slowly, as they depend on the physical servers' resources. To avoid this, the servers need adequate cooling and ventilation, as well as monitoring of their temperature and fan speed.

NEW QUESTION # 93
A company wants to add virtual servers to handle unusually high web traffic usage. Which of the following is the most efficient way?

• A. Community cloud
• B. File synchronization
• C. Cloud VDI
• D. Rapid elasticity

Answer: D

Explanation:
Rapid elasticity is the ability of a cloud service to scale up or down the resources (such as virtual servers, storage, bandwidth, etc.) according to the demand of the users. This is an efficient way to handle unusually high web traffic usage, as it allows the company to provision more virtual servers when needed and release them when not needed, without wasting resources or paying for unused capacity. Rapid elasticity also improves the performance and availability of the web service, as it can adjust to the fluctuations in traffic and avoid overloading or downtime.
Reference
Rapid Elasticity in Cloud Computing: On-Demand Scaling for Business
Chapter 4: Virtualization and Cloud Computing

NEW QUESTION # 94
A user's smartphone battery capacity has started going from full to empty within an hour. The user has not recently installed any new applications on the smartphone. An IT technician notices that the smartphone has very high network utilization and thinks this issue might be related to the battery drain. Which of the following troubleshooting steps should the technician attempt next?

• A. Restart the smartphone.
• B. Update the mobile OS.
• C. Disable Bluetooth.
• D. Connect the smartphone to a Wi-Fi network.

Answer: A

Explanation:
The next troubleshooting step that the technician should attempt is to restart the smartphone. Restarting the smartphone can help resolve many common issues, such as battery drain, network utilization, app crashes, or performance slowdowns. Restarting the smartphone can do the following:
* Clear the memory and cache of the smartphone, which can free up space and speed up the device.
* Close any background apps or processes that may be consuming battery or network resources, such as syncing, updating, or streaming.
* Reset the network settings and connections of the smartphone, which can improve the signal strength and quality.
* Refresh the operating system and the user interface of the smartphone, which can fix any glitches or errors.
To restart the smartphone, the user can follow these steps:
* Press and hold the power button of the smartphone until a menu appears on the screen.
* Tap the option that says Restart, Reboot, or Power off and on.
* Wait for the smartphone to turn off and then turn on again.
* Enter the PIN, password, or pattern to unlock the smartphone.
* Check the battery level and the network utilization of the smartphone.
If restarting the smartphone does not solve the problem, the technician may need to try other troubleshooting steps, such as updating the mobile OS, disabling Bluetooth, or connecting the smartphone to a Wi-Fi network.
However, restarting the smartphone is usually the first and simplest step to try.
References:
* How to stop "Mobile network standby" from draining my battery1
* Battery life: Guide to everything that affects and drains your phone battery2
* Mobile Network Standby Battery Drain; How To Fix It?3
* Get the most life from your Android device's battery4
* How to Fix Battery Drain from Mobile Network on Galaxy S235

NEW QUESTION # 95
A user's laptop is running out of disk space and requires a new hard drive. The user wants to replace the existing hard drive with the fastest possible I TB HDD. A technician assesses the user's hardware and determines the connections that are available. Which of the following drive types should the technician recommend as the BEST choice?

• A. 1TB flash drive
• B. 1TB NVMe SSD
• C. 1TB SATA SSD
• D. 1TB SAS

Answer: B

Explanation:
The best choice for the user's laptop is a 1TB NVMe SSD. NVMe (Non-Volatile Memory Express) is a high-performance storage protocol designed specifically for solid-state drives (SSDs). It is significantly faster than SATA SSDs and SAS hard drives, making it ideal for users who need fast storage for their laptop. NVMe SSDs also have lower latency and higher bandwidth than traditional hard drives, making them well-suited for data-intensive tasks such as video editing, gaming, and running multiple applications simultaneously. Additionally, NVMe offers more reliable data reliability than traditional hard drives, and is less susceptible to performance degradation over time.

NEW QUESTION # 96
A user with an older laptop is unable to connect to the office network after new access points were installed. The user confirms that from home the laptop can connect wirelessly to the network. Which of the following should the user to do to quickly resolve the issue?

• A. Install a new Bluetooth card.
• B. Connect a new biometric device.
• C. Install a new SSD.
• D. Connect a new USB adapter.

Answer: D

Explanation:
A USB adapter is a device that can plug into a USB port on a laptop and provide wireless connectivity to a network. A USB adapter can support different wireless standards, such as
802.11a, 802.11b, 802.11g, 802.11n, or 802.11ac. A USB adapter can also support different wireless frequencies, such as 2.4 GHz or 5 GHz.
In this case, the user with an older laptop may not be able to connect to the office network after new access points were installed because the laptop's built-in wireless card does not support the same wireless standard or frequency as the new access points. For example, if the new access points use 802.11ac and 5 GHz, and the laptop's wireless card only supports 802.11g and 2.4 GHz, the laptop will not be able to communicate with the access points. To quickly resolve this issue, the user should connect a new USB adapter that supports the same wireless standard and frequency as the new access points. This way, the user can bypass the laptop's wireless card and use the USB adapter to connect to the office network wirelessly.

NEW QUESTION # 97
A technician installed a high-end graphics card in a desktop, and now, the desktop randomly shuts down during operations. Which of the following should the technician do next?

• A. Confirm the power cables are well connected.
• B. Check the power supply wattage rating.
• C. Check whether the power supply is redundant.
• D. Confirm the power supply is grounded.

Answer: B

Explanation:
The correct answer is B. Check the power supply wattage rating.
A possible cause of the desktop randomly shutting down during operations is that the power supply is not able to provide enough power for the high-end graphics card. The power consumption of today's graphics cards has increased a lot, and the top models demand between 110 and 270 watts from the power supply1. Therefore, the technician should check the power supply wattage rating and make sure it is sufficient for the graphics card and the rest of the components. Confirming the power supply is grounded, checking whether the power supply is redundant, or confirming the power cables are well connected are not likely to solve this problem.

NEW QUESTION # 98
A user complains that print jobs remain in the printer queue. A technician sends a ping command to the printer, and the printer replies successfully. The paper trays are full, and toner levels are okay. Which of the following is a reason the print jobs are getting stuck in the queue?

• A. The printer is disconnected from the network.
• B. The paper size for the last job in the queue is not available.
• C. The print queue is unable to locate the printer.
• D. The first job in the queue is waiting for paper in the manual feed tray.

Answer: D

Explanation:
When print jobs remain stuck in the printer queue despite successful network communication (indicated by successful ping replies) and no issues with paper supply or toner levels, a common reason can be that the first job in the queue requires manual intervention, such as paper to be fed into a manual feed tray. Printers often pause the entire print queue if the first job requires a specific type of paper or manual insertion that hasn't been addressed, preventing subsequent jobs from processing.

NEW QUESTION # 99
A technician is diagnosing several device issues reported by employees.
INSTRUCTIONS
Click on each device to review the issue. Then select the appropriate issue and solution from the drop-down menu. Each option may be used more than once.

Answer:

Explanation:

Explanation:

NEW QUESTION # 100
A user contacted the help desk about files that disappeared from a laptop. The technician discovered during troubleshooting that the drive was corrupt due to a possible mechanical failure, but the files were still readable. Which of the following actions did the technician take during troubleshooting? (Choose two.)

• A. Reseated the HDD connector
• B. Updated the firmware
• C. Ran CHKDSK
• D. Checked S.M.A.R.T. information
• E. Made sure the replacement drive was compatible
• F. Increased the page file size

Answer: C,D

Explanation:
S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology) is a feature of hard drives that monitors various parameters, such as temperature, error rate, spin-up time, and seek time, to assess the health and performance of the drive. S.M.A.R.T. can also predict the likelihood of failure based on the historical trends of these parameters. A technician can check the S.M.A.R.T.
information of a hard drive using various tools, such as the BIOS, the operating system, or third- party software. Checking the S.M.A.R.T. information can help the technician diagnose the cause and severity of the drive corruption and determine the best course of action.
CHKDSK (Check Disk) is a command-line utility that scans the file system and the disk surface for errors and attempts to fix them. CHKDSK can also recover readable data from bad sectors and mark them as unusable. A technician can run CHKDSK on a corrupt drive using various options, such as /f (fix errors), /r (recover data), or /x (dismount the drive). Running CHKDSK can help the technician repair the drive corruption and retrieve the missing files.

NEW QUESTION # 101
Which of the following is a scenario in which an F-type connector would be used?

• A. A technician is making a serial connection to a hardware device.
• B. An internet service provider is installing service for a client.
• C. An electrician is upgrading the service on an electrical panel.
• D. A user is purchasing a charging cable for a laptop.

Answer: B

Explanation:
Explanation
An F-type connector is a coaxial RF connector that is commonly used for cable television, satellite television, and cable modems. An internet service provider (ISP) may use an F-type connector to connect the coaxial cable from the wall outlet to the cable modem or the set-top box. The F-type connector has a threaded interface that provides a secure and reliable connection. The F-type connector can also support high-frequency signals up to several GHz, which can deliver high-speed internet and high-definition television.
Other scenarios, such as making a serial connection to a hardware device, purchasing a charging cable for a laptop, or upgrading the service on an electrical panel, are not likely to use an F-type connector. A serial connection to a hardware device may use a DB-9 or a DB-25 connector, which are D-shaped connectors with pins. A charging cable for a laptop may use a USB or a barrel connector, which are flat or cylindrical connectors with contacts. An electrical panel may use a twist-lock or a pin-and-sleeve connector, which are round connectors with locking mechanisms.
References:
F connector - Wikipedia1
F-Type Connectors - RF Connectors | Amphenol RF2
How to Install F Connectors on Coaxial Cable - The Spruce3

NEW QUESTION # 102
A technician is preparing to set up a gaming computer with the following components:
* Discrete, high-end graphics card
* Video capture card
* High-end processor
* Multiple hard drives
* USB 3.0 hub
* Sound card
Which of the following options is the most important for the technician to consider before building the gaming computer?

• A. Modular power supply
• B. Redundant power supply
• C. 20-pin vs. 24-pin power adapter
• D. Power supply wattage rating

Answer: D

Explanation:
The correct answer is D. Power supply wattage rating.
The power supply wattage rating is the most important factor to consider before building a gaming computer, as it determines how much power the system can draw from the wall and how much power the components can consume. A power supply with a low wattage rating may not be able to support the high-end graphics card, processor, and other devices, resulting in poor performance, instability, or damage12.
To find the optimal power supply wattage rating for a gaming computer, the technician should calculate the total power consumption of all the components and add some headroom for future upgrades or overclocking.
The technician can use online calculators such as Cooler Master Power Calculator or Seasonic Wattage Calculator to estimate the power requirements of the system3.

NEW QUESTION # 103
Auser is unable to perform contactless payments with a phone. Which of the following functions is MOST likely causing the issue?

• A. Hotspot
• B. Bluetooth
• C. NFC
• D. USB

Answer: C

Explanation:
Explanation
Near field communication (NFC) is a function that enables contactless payments with a phone by allowing it to communicate with compatible devices within close proximity. If NFC is not working properly, the user will not be able to perform contactless payments with the phone. Hotspot is a feature that allows a device to share its internet connection with other devices via Wi-Fi, Bluetooth, or USB. Bluetooth is a wireless technology that allows devices to connect and exchange data over short distances. USB is a standard interface that connects devices such as keyboards, mice, flash drives, etc

NEW QUESTION # 104
A technician has been called into a conference room to help with a video call setup. The user is unable to get the laptop screen to mirror to the in-room television. The technician confirms that the appropriate HDMI cable is plugged into the user's computer and the TV has a blinking logo on the screen. Which of the following is most likely causing the issue?

• A. The television has a defective A/C adapter cable.
• B. The wrong input is selected on the television.
• C. The user does not have Bluetooth enabled on the laptop.
• D. The user's laptop does not support screen mirroring
• E. The television does not support screen mirroring

Answer: B

Explanation:
When a laptop screen fails to mirror to a television despite being correctly connected via an HDMI cable, a common issue is that the television is set to the wrong input source. Modern televisions have multiple input options (e.g., HDMI 1, HDMI 2, AV, etc.), and selecting the correct input that corresponds to the port the HDMI cable is connected to is essential for displaying the laptop's screen. The blinking logo on the TV screen typically indicates that the TV is functioning but not receiving a signal from the selected input source. Changing the TV's input to the correct HDMI port should resolve the issue and allow the laptop screen to mirror onto the TV.

NEW QUESTION # 105
A user is requesting a headset that can be physically connected to a laptop for online conference calls. Which of the following connections should the headset use?

• A. DVI
• B. Bluetooth
• C. USB
• D. Thunderbolt

Answer: C

Explanation:
A USB (universal serial bus) connection is the most suitable option for a headset that can be physically connected to a laptop for online conference calls. A USB connection is a digital interface that can transfer both power and data between devices using a standard cable. A USB headset can plug into any available USB port on the laptop and communicate with the audio and microphone drivers without requiring additional software or hardware. A USB headset can also offer enhanced features, such as inline controls, noise cancellation, surround sound, or LED lighting, depending on the model and manufacturer.
Other connections, such as Bluetooth, DVI, or Thunderbolt, are not appropriate for a headset that can be physically connected to a laptop. Bluetooth is a wireless technology that uses radio waves to pair devices over a short distance, and it requires a battery or a charger for the headset. DVI (digital visual interface) is a video interface that can transmit digital or analog signals between a display device and a video source, and it is not compatible with audio or microphone devices. Thunderbolt is a high-speed interface that can support multiple protocols, such as DisplayPort, USB, or PCI Express, and it requires a special cable and port that may not be available on all laptops.
References:
* How to set up and use a headset on Windows 10 | Windows Central1
* How to Connect a Headset to a Computer2
* USB - Wikipedia

NEW QUESTION # 106
After an IT department implements SSL redirection, users report being unable to access a random number generator opened within a web browser. Which of the following should a technician do first to troubleshoot this issue?

• A. Reset the web browser cache.
• B. Report the affected user accounts to the IT department.
• C. Ensure that the computer supports secure socket communication.
• D. Check to see whether the website is HTTPS enabled.

Answer: D

Explanation:
After the implementation of SSL (Secure Sockets Layer) redirection, the inability of users to access certain web-based applications or content, like a random number generator, suggests a compatibility or compliance issue with HTTPS (HyperText Transfer Protocol Secure). The first troubleshooting step should be to verify if the website in question supports HTTPS, as SSL redirection forces connections to use HTTPS for security. If the website only operates over HTTP, it won't be accessible after SSL redirection is implemented, leading to the issues reported by users.
Reference:
CompTIA A+ Core 1 (220-1101) Exam Objectives, especially sections pertaining to network security protocols and the configuration of client-side network and security settings.

NEW QUESTION # 107
A user purchased a new smartphone and headset and is trying to connect them. Which of the following is the best way to connect the devices?

• A. Use NFC.
• B. Use a hotspot.
• C. Enable synchronization.
• D. Enable pairing.

Answer: D

Explanation:
Pairing is a process that allows two Bluetooth devices, such as a smartphone and a headset, to communicate with each other wirelessly. Pairing creates a secure connection between the devices and allows them to exchange data and audio signals. To pair the devices, the user needs to enable Bluetooth on both devices, make them discoverable, and select the desired device from the list of available devices. The user may also need to enter a PIN code or confirm a passkey to complete the pairing process.

NEW QUESTION # 108
An IT manager is evaluating ticket resolution times. While reviewing the data, the manager notices repetitive issues are taking longer than expected to resolve. Which of the following changes should the manager implement to resolve repetitive issues more quickly?

• A. Require the technicians to document the findings, action, and outcomes of issues.
• B. Require the technicians to verify full system functionality when resolving issues.
• C. Require the technicians to gather more information when speaking with users about issues.
• D. Require the technicians to spend more time testing theories to determine the root causes of issues.

Answer: A

Explanation:
By documenting the findings, action, and outcomes of issues, the technicians can create a knowledge base that can be used to resolve similar issues in the future more quickly and efficiently. The documentation can also help identify patterns or trends that can lead to preventive measures or root cause analysis. Documenting the issues can also improve communication and collaboration among technicians and users, as well as provide evidence of service quality and performance. Reference: https://partners.comptia.org/docs/default-source
/resources/a-core-1-content-guide (page 4)

NEW QUESTION # 109
A customer reports a network connectivity issue. A technician discovers that LAN ports have been damaged during remodeling. Which of the following tools should the technician use to fix the issue?

• A. Cable stripper
• B. Crimper
• C. Punchdown tool
• D. Network tap

Answer: C

Explanation:
Explanation
The correct answer is B. Punchdown tool.
A punchdown tool is a device that can connect wires to a patch panel or a network jack by inserting them into the appropriate slots and cutting off the excess. A punchdown tool can be used to fix the damaged LAN ports by replacing the wires or reconnecting them to the correct terminals.
A cable stripper is a device that can remove the insulation from a cable to expose the wires inside. A cable stripper is not useful for fixing the damaged LAN ports, unless the technician needs to strip new wires before punching them down.
A crimper is a device that can attach connectors to the ends of cables, such as RJ-45 or RJ-11. A crimper is not useful for fixing the damaged LAN ports, unless the technician needs to replace the connectors on the cables.
A network tap is a device that can monitor and capture network traffic by creating a copy of the data passing through a network link. A network tap is not useful for fixing the damaged LAN ports, as it does not affect the connectivity of the network devices.
Reference: CompTIA A+ Certification Exam Core 1 Objectives

NEW QUESTION # 110
During an OS migration, a technician is unable to find compatible current software for a specialized hardware device. Which of the following actions should the technician take to complete the migration?

• A. Replace the PC.
• B. Restrict user access.
• C. Upgrade the BIOS to UEFI.
• D. Virtualize the application.

Answer: D

Explanation:
Virtualizing the application is the best action that a technician can take to complete the OS migration when there is no compatible current software for a specialized hardware device.
Virtualizing the application means running the application in a virtual machine (VM) that emulates the previous OS environment that supports the application and the hardware device. This way, the technician can avoid the need to replace the PC or the hardware device, or to restrict user access to the application. Virtualizing the application also allows the technician to benefit from the new OS features and security updates, while maintaining the functionality and compatibility of the application and the hardware device.

NEW QUESTION # 111
Which of the following is most likely used to control door access?

• A. DRM
• B. RFID
• C. VPN
• D. DMCA

Answer: B

Explanation:
RFID stands for Radio Frequency Identification, and it is a technology that uses electromagnetic fields to identify and track objects that have RFID tags attached to them. RFID tags are small devices that store information and can be read by RFID readers. RFID is most likely used to control door access because it allows for contactless and convenient authentication of authorized personnel. For example, an employee can use an RFID card or key fob to unlock a door by holding it near an RFID reader installed on the door. The reader will scan the tag and verify its ID number with the access control system, which will grant or deny access based on the predefined rules and permissions. RFID is a common and widely used type of door access control system, as it offers security, efficiency, and flexibility.

NEW QUESTION # 112
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CompTIA 220-1101, also known as the CompTIA A+ Certification Exam: Core 1, is the first of two exams required to earn the CompTIA A+ certification. 220-1101 exam is designed to measure the skills and knowledge necessary to install, configure, and troubleshoot hardware and software for personal computers and mobile devices. 220-1101 exam covers a wide range of topics, including hardware, networking, mobile devices, cloud computing, and security.

 

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