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CompTIA 220-1101 exam covers a wide range of topics related to hardware, software, networking, and troubleshooting. It includes questions on computer components and peripherals, mobile devices, networking technologies, cloud computing, virtualization, and security. 220-1101 Exam also tests the candidate's ability to troubleshoot common hardware and software problems and perform basic maintenance tasks.

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CompTIA A+ Certification Exam: Core 1 Sample Questions (Q380-Q385):

NEW QUESTION # 380
Which of the following services allows a remote user to access network resources?

A. WLAN
B. VPN
C. SAN
D. DHCP

Answer: B

Explanation:
Explanation
The correct answer is D. VPN.
A VPN (Virtual Private Network) is a service that allows a remote user to access network resources securely over the internet. A VPN creates an encrypted tunnel between the user's device and the VPN server, which acts as a gateway to the network. The user can then access the network resources as if they were directly connected to the network, without exposing their traffic to eavesdropping, interception, or censorship.
A VPN can provide remote users with access to various services on a company network, such as file and print services, client/server applications, and remote network administration1. A VPN can also protect the user's privacy and identity online by masking their IP address and location.
References:
*Remote Access to a Network - NETWORK ENCYCLOPEDIA, section "Remote access typically gives remote users access to the following services on a company network".

NEW QUESTION # 381
A user who works with sensitive data has a computer configured with hard drive encryption The TPM is active and hosting the encrypted key. After an upgrade to the motherboard. RAM and video card the hard drive is not booting and data cannot be accessed from the hard drive. Which of the following should the technician do to enable the system to boot again and get access to the stored data?

A. Use data recovery software to find and recover the hard drive information
B. Return the replaced motherboard back to the computer
C. Access the BIOS and select to rebuild the degraded RAID array
D. Boot into the BIOS and enable the TPM on the new motherboard.

Answer: D

NEW QUESTION # 382
A user attempts to connect a laptop to a projector but receives the following message from the projector: Out of Range. Which of the following needs to be addressed first?

A. Check the video cable and replace it if necessary.
B. Verify that the laptop video card driver is the most up-to-date version.
C. Set the computer's display settings to extend/duplicate.
D. Change the resolution settings.

Answer: D

Explanation:
The most likely answer is
A) Change the resolution settings.
The error "Out of Range" normally means that the resolution being output by the computer is not compatible with the projector. The resolution is the number of pixels that are displayed on the screen. If the resolution is too high for the projector, it may not be able to display the image correctly or at all12.
To resolve this issue, you should try lowering the resolution settings on your laptop to match the native resolution of the projector or a lower one. You can do this by following these steps1:
* Right-click on an empty area of your desktop and select Display settings.
* Under Scale and layout, click on Display resolution and choose a lower option from the drop-down menu.
* Click Apply and then Keep changes.
* Reconnect your laptop to the projector and check if the image is displayed properly.
If changing the resolution settings does not help, you may need to check other factors, such as the video cable, the display settings, or the video card driver. However, these are less likely to cause the "Out of Range" error than the resolution settings.

NEW QUESTION # 383
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. Clean the air filter.
B. Swap the power cord.
C. Change the bulb.
D. Replace the video input cable.

Answer: A

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

NEW QUESTION # 384
A technician is configuring a desktop RAID to allow for the best I/O performance and the most storage capacity possible. Which of the following RAID types should the technician use?

A. 0
B. 1
C. 2
D. 3

Answer: B

Explanation:
RAID 0 is a disk array configuration that splits data across two or more disks without parity or mirroring.
RAID 0 provides the best I/O performance because it allows parallel read and write operations on multiple disks. RAID 0 also provides the most storage capacity possible because it does not use any disk space for redundancy. However, RAID 0 does not provide any fault tolerance and increases the risk of data loss if any disk fails.
References: The Official CompTIA A+ Core 1 Student Guide (Exam 220-1101) eBook, page 252

NEW QUESTION # 385
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