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CompTIA 220-1101, also known as the CompTIA A+ Certification Exam: Core 1, is a certification exam that is designed to test the knowledge and skills of IT professionals in the area of hardware, software, networking, and security. 220-1101 exam is the first of two exams that must be passed to earn the CompTIA A+ certification, which is a globally recognized certification that validates the skills and knowledge required to perform entry-level IT support and technical roles.

 

NEW QUESTION # 254
A user reports a workstation is having the following issues:
* OS performance is slow
. The workstation turns off randomly from time to time
. The fans are running loudly
Which of the following is most likely the cause?

• A. The system is infected with malware.
• B. The CPU is overheating.
• C. The power supply is insufficient.
• D. The hard drive is failing.

Answer: B

Explanation:
One of the possible causes of slow OS performance, random shutdowns, and loud fan noise is the CPU overheating. This can happen due to dust accumulation, faulty cooling system, or high CPU usage. Overheating can damage the CPU and other components, so it is important to monitor the CPU temperature and take preventive measures.
Reference:
The Official CompTIA A+ Core 1 Student Guide (Exam 220-1101) eBook1, page 2-9, section "CPU Cooling Methods".
The Official CompTIA A+ Core 1 (220-1101) Certification Study Guide2, page 2-11, section "Troubleshooting CPUs".

NEW QUESTION # 255
A technician needs to increase the available RAM on a virtual workstation. Which of the following should the technician do?

• A. Upgrade to the latest DDR5 modules.
• B. Increase the ECC memory timings in the BIOS.
• C. Use a hypervisor to adjust the resource allocation.
• D. Clear the temporary files on the workstation's boot drive.

Answer: C

Explanation:
Explanation
A hypervisor is a software layer that manages and allocates resources for virtual machines (VMs) on a physical host machine. A technician can use a hypervisor to adjust the resource allocation for a virtual workstation, such as increasing the amount of RAM assigned to it from the available pool of memory on the host machine. This can improve the performance and functionality of the virtual workstation without requiring any hardware changes or modifications. Reference:
https://www.comptia.org/training/books/a-core-1-220-1101-study-guide (page 59)

NEW QUESTION # 256
A user reports that a display is slow to turn on, and the colors are distorted and discolored. Once the display turns on, it appears to have lines going through the image and intermittently goes blank. Which of the following is the most likely cause of the issue?

• A. Display burn-in
• B. Incorrect refresh rate
• C. Physical cabling issues
• D. Incorrect resolution settings
• E. Incorrect data source

Answer: C

Explanation:
Explanation
The most likely cause of the issue is C. Physical cabling issues.
Physical cabling issues can affect the quality and stability of the display signal. If the cable is loose, damaged, or bent, it may cause intermittent connection, interference, or signal loss. This can result in slow, distorted, discolored, or blank display.
To troubleshoot physical cabling issues, the user should check the following steps:
*Make sure the cable is firmly connected to both the display and the video adapter.
*Inspect the cable for any signs of damage, such as cuts, frays, kinks, or exposed wires.
*Check the cable connectors for any bent or broken pins.
*Try a different cable or a different port on the display or the video adapter.
*If possible, test the display with another device or test another display with the same device.
The other options are less likely to cause the issue, because:
*Incorrect data source may result in no display or an error message, but not slow or distorted display.
*Incorrect resolution settings may cause stretched, blurry, or cropped display, but not discolored or blank display.
*Incorrect refresh rate may cause flickering or tearing display, but not slow or distorted display.
*Display burn-in may cause permanent image retention or ghosting on the display, but not intermittent or blank display.
For more information and tips on how to fix common display problems, you can visit these links:
*How to Troubleshoot Display or Video Issues on a Dell Monitor
*Display Troubleshooting - iFixit
*How to Fix the Most Common Problems With LCD Monitors

NEW QUESTION # 257
A technician is troubleshooting an issue involving lines appearing down copied pages, but printed pages sent directly to the copier render as intended. Which of the following is the MOST likely cause of this issue?

• A. Overheated system fuser
• B. Empty imager drum
• C. Third-party toner
• D. Scratched scanner glass

Answer: D

Explanation:
If lines appear down copied pages but printed pages sent directly to copier render as intended, it could be due to scratched scanner glass which can cause lines or streaks on copied pages.
If there are lines appearing on copied pages, but not on printed pages sent directly to the copier, the issue is most likely caused by a scratch on the scanner glass. References:
https://www.pacificoffice.com/how-to-fix-lines-on-copier/

NEW QUESTION # 258
While implementing a non-carrier-grade wireless backhaul, a technician notices the current channel selection is extremely polluted with various RF signals. Upon performing a spectral analysis, the technician discovers a channel containing almost no RF pollution. Unfortunately, the technician is unable to select that channel. Which of the following is the MOST likely reason for this issue?

• A. The channel selection is defective; contact the manufacturer.
• B. The device requires a firmware update to unlock the channel.
• C. The channel is reserved for licensed band use.
• D. The channel must be unlocked by the vendor.

Answer: B

NEW QUESTION # 259
A technician is troubleshooting a network issue and needs to check the status of a local network device in the least disruptive manner possible_ Which of the following tools should the technician use to accomplish this task?

• A. Network tap
• B. Multimeter
• C. Cable tester
• D. Tone generator

Answer: A

Explanation:
A network tap is a device that can be used to monitor and analyze the traffic and data that pass through a network. A network tap can be inserted between two network devices, such as a switch and a router, and capture the packets that flow in both directions. A network tap can then send a copy of the packets to another device, such as a laptop or a server, for inspection and troubleshooting. A network tap can help diagnose and resolve network issues, such as performance, security, or configuration problems.
A network tap is the least disruptive tool for checking the status of a local network device, because it does not interfere with the normal operation of the network. A network tap does not alter or block the packets that it captures, and it does not introduce any latency or noise to the network. A network tap can also operate in stealth mode, which means that it is invisible to the network devices and cannot be detected by hackers or attackers.

NEW QUESTION # 260
In which of the following places is a laptop's wireless antenna MOST likely located?

• A. In the bezel of the lid
• B. Integrated into the motherboard
• C. Underneath the battery
• D. Near the network interface card

Answer: D

NEW QUESTION # 261
A technician unboxed a new computer, plugged it in to a UPS. and connected the requested peripherals. The computer lights and fans turn on, but the technician hears three loud, consecutive beeps during boot. Which of the following actions will remediate the issue?

• A. Replacing the power supply
• B. Changing the CMOS battery
• C. Replacing the UPS
• D. Reseating the RAM

Answer: D

Explanation:
Explanation
Three beeps indicate a "base memory read/write test error". Check out "beep codes" for more information.
https://en.wikipedia.org/wiki/Power-on_self-test#POST_beep_codes_on_CompTIA_A.2B_certification_exam Reseating the RAM is the best course of action to remediate the issue of three consecutive beeps during boot, as it may indicate a RAM failure or loose connection. By reseating the RAM, the technician can ensure that the connection is secure and the computer should boot normally. References: CompTIA A+ Certification Exam Objectives 1001, 1.9

NEW QUESTION # 262
A technician plans to upgrade a laptop's RAM from 4GB to 16GB. Which of the following should the technician do?

• A. Purchase the same architecture of RAM.
• B. Configure the laptop's BIOS settings for the RAM upgrade.
• C. Purchase the same brand of RAM.
• D. Purchase RAM with the same CAS latency.

Answer: A

Explanation:
The most important factor to consider when upgrading a laptop's RAM is the architecture of the RAM, which determines the type, speed, and capacity of the memory modules. The architecture of the RAM must match the architecture of the laptop's motherboard and processor, otherwise the RAM will not be compatible or function properly. The architecture of the RAM includes the DDR generation (such as DDR3 or DDR4), the form factor (such as SO-DIMM), the pin count (such as 204 or 260), the voltage (such as 1.35V or 1.5V), and the frequency (such as 1600MHz or 2400MHz).
The other options are not as crucial or relevant for the RAM upgrade. The brand of the RAM does not matter as long as the RAM meets the specifications of the laptop and is of good quality. The CAS latency of the RAM is a measure of the delay between the memory controller requesting data and the RAM delivering it, and it affects the performance of the RAM. However, the CAS latency is not a fixed value and can vary depending on the frequency and voltage of the RAM. Therefore, purchasing RAM with the same CAS latency is not necessary or sufficient for compatibility. The laptop's BIOS settings are usually configured to automatically detect and adjust to the RAM upgrade, and do not need to be manually changed by the technician.
Reference:
CompTIA A+ Certification Exam Core 1 Objectives1
The Official CompTIA A+ Core 1 Student Guide (Exam 220-1101) eBook2
How to Upgrade the RAM in Your Laptop | Tom's Hardware3
How to Upgrade RAM on a Laptop | Crucial.com4

NEW QUESTION # 263
A technician is receiving reports that the entire office sporadically loses network connectivity throughout the day. The technician determines the root cause to be EMI. Which of the cable mediums would be the MOST cost effective without sacrificing system performance?

• A. Plenum Cat 5e
• B. Multimode fiber
• C. Shielded Cat 6
• D. Coaxial

Answer: C

Explanation:
Electromagnetic interference (EMI) is unwanted noise or interference in an electrical path or circuit caused by an outside source. Hence shielded Cat 6 is better If a technician determines that the root cause of sporadic network connectivity issues is EMI, the most cost-effective cable medium that can be used without sacrificing system performance is shielded Cat 6 cable. Shielded cables protect against electromagnetic interference (EMI) and radio frequency interference (RFI). Reference: CompTIA A+ Certification All-in-One Exam Guide, Tenth Edition by Mike Meyers (Page 548)

NEW QUESTION # 264
A desktop support technician is building a new desktop that features the fastest internal storage. Which of the following BEST suits this request1?

• A. M2PCIeNVMeSSD
• B. PCIe SATA HDD
• C. SATASSD
• D. SATA HDD

Answer: A

Explanation:
Explanation
M2PCIeNVMeSSD. M.2 PCIe NVMe SSDs are the fastest internal storage devices available for desktops. They are faster than SATA SSDs and PCIe SATA HDDs

NEW QUESTION # 265
A customer's phone no longer charges fully The phone only charges to 67% and then stops_ Which of the following should be replaced to resolve this issue?

• A. The phone
• B. The charger
• C. The battery
• D. The SD card

Answer: C

Explanation:
The correct answer is C. The battery.
The battery is the component that stores and provides electrical power to the phone. The battery can degrade over time and lose its capacity to hold a full charge. This can cause the phone to stop charging at a certain percentage and run out of power faster. To resolve this issue, the battery should be replaced with a new one that is compatible with the phone model and manufacturer.
To replace the battery, the customer may need to follow different steps depending on the type of phone and battery. Some phones have removable batteries that can be easily accessed by opening the back cover of the phone and sliding out the old battery. Other phones have non-removable batteries that are sealed inside the phone and require special tools and skills to open the phone and disconnect the old battery. In this case, the customer may need to contact the phone manufacturer or a professional service center for assistance.

NEW QUESTION # 266
A new version of Windows was released and a piece of software vital to the engineering department will not run on the new version. Which of the following is the BEST option to enable this department to be able to continue using this software?

• A. Purchase new workstations for the engineering department.
• B. Do not upgrade any workstations within the organization.
• C. Upgrade all workstations and provide a virtual environment for the legacy software.
• D. Upgrade all workstations except those used by the engineering department.

Answer: C

NEW QUESTION # 267
After moving a user's legacy workstation into a new private office that does not have a LAN connection, the technician is unable to connect to a wireless network. Which of the following is the most likely reason?

• A. Incorrect Wi-Fi channel
• B. Missing Wi-Fi adapter
• C. Hidden Wi-Fi SSID
• D. Wi-Fi AP replacement

Answer: B

Explanation:
The most likely reason is A. Missing Wi-Fi adapter.
A Wi-Fi adapter is a device that allows a computer to connect to a wireless network. A legacy workstation may not have a built-in Wi-Fi adapter, or it may have an outdated or incompatible one. If the workstation does not have a Wi-Fi adapter, it will not be able to detect or access any wireless networks, regardless of the location, signal strength, or configuration of the network.
To fix this issue, the technician can install a Wi-Fi adapter on the workstation, either internally or externally. An internal Wi-Fi adapter is a card that fits into a slot on the motherboard, while an external Wi-Fi adapter is a device that plugs into a USB port. The technician should choose a Wi-Fi adapter that is compatible with the workstation's operating system, hardware, and wireless standards .
The other options are less likely to be the reason for the issue. A Wi-Fi AP replacement means changing the wireless access point that provides the network connection. This may affect the network name, password, or settings, but it should not prevent the workstation from detecting any wireless networks. A hidden Wi-Fi SSID means that the network name is not broadcasted publicly, but it can still be accessed by entering the name manually. A hidden Wi-Fi SSID may make it harder to find the network, but it should not prevent the workstation from detecting other wireless networks. An incorrect Wi-Fi channel means that the network is using a frequency band that is crowded or interfered by other devices. This may affect the network performance or stability, but it should not prevent the workstation from detecting any wireless networks.
Reference:
1: How to Add Wi-Fi to a Desktop Computer - How-To Geek
2: How to Choose a Wireless Adapter for Your Computer - Lifewire
3: Troubleshooting Wireless Network Connections - Intel

NEW QUESTION # 268
A small ISP has hired a new technician Joe, the new technician, is being trained to configure customers* home networks The trailing instructor gives me technician a starter kit with cables, cable ends, and other network equipment and asks mm to build a working network.
The computer should be connected to have internet connectivity and the phone should be connected to have a dial tone.
INSTRUCTIONS
Use the appropriate cables. cable ends, tools and equipment to configure the network ana connect an components accordingly There are 3 steps and the simulation starts on step 1.

Answer:

Explanation:
See the answer below in explanation part
Explanation:
Answer of both steps below.

NEW QUESTION # 269
A technician is using a PAN to connect a group of users on a field project. Which of the following services should the technician activate on the mobile device to share the internet data connection?

• A. Tethering
• B. Hotspot
• C. Bluetooth
• D. Pairing

Answer: A

Explanation:
The correct answer is A. Tethering.
Tethering is the process of sharing a mobile device's internet data connection with other devices, such as laptops, tablets, or other phones. Tethering can be done by using a Wi-Fi hotspot, a Bluetooth connection, or a USB cable. A Wi-Fi hotspot creates a wireless network that other devices can join, a Bluetooth connection pairs the devices and allows data transfer, and a USB cable connects the devices physically and enables data sharing.
A PAN, or personal area network, is a type of network that connects devices within a short range, usually up to
10 meters. A PAN can be used for various purposes, such as transferring files, printing documents, or accessing the internet. A PAN can be created by using Bluetooth, Wi-Fi, or infrared technologies.
A technician can use a PAN to connect a group of users on a field project by using tethering on a mobile device. The technician can activate the tethering service on the mobile device and choose the preferred method of sharing the internet data connection. The other devices can then connect to the mobile device and access the internet through it.
The other options are incorrect because they are not services that can share the internet data connection on a mobile device. Pairing is the process of establishing a connection between two Bluetooth devices, but it does not necessarily share the internet data connection. Bluetooth is a technology that can create a PAN and enable tethering, but it is not a service that can be activated on a mobile device. Hotspot is a term that can refer to a Wi-Fi hotspot created by tethering on a mobile device, but it is not a service that can be activated on its own.
References:
Share a mobile connection by hotspot or tethering on Android
How to share a mobile connection by tethering or hotspot on Android
How to Share Mobile Internet to PC or Other devices

NEW QUESTION # 270
A user on a SOHO network is unable to watch online videos, even at 240 pixels. The technician runs ipconfig from the user's computer and records the following:

The technician then connects a test laptop to the router via the user's Cat 5 cable and records the following information:

Which of the following is MOST likely causing the user's issue?

• A. Incorrect IP address
• B. Bad network cable
• C. Faulty NIC
• D. Misconfigured default gateway

Answer: C

Explanation:
Based on the information recorded by the technician, the network connection appears to be functioning normally. The user's computer is properly configured with an IPv4 address, subnet mask, and default gateway, which should allow the user to access the internet and online videos. The high download and upload speeds and low ping time recorded from the test laptop also indicate that the network is working well. However, the user's inability to watch online videos suggests that there might be an issue with the network card (NIC) on the user's computer. The NIC might be faulty or malfunctioning, which is preventing the computer from receiving and processing the video data. The technician should try replacing the NIC to resolve the issue.

NEW QUESTION # 271
Which of the following network services allows a networked device to always be assigned the same IP address based on the device's MAC address?

• A. DNS
• B. UTM
• C. DHCP
• D. LDAP

Answer: C

Explanation:
Dynamic Host Configuration Protocol (DHCP) allows a networked device to always be assigned the same IP address based on the device's MAC address. DHCP can also assign other network configuration settings to devices automatically.

NEW QUESTION # 272
A technician wants to stress test multiple applications while maintaining the ability to easily reset those environments back to the initial state. Which of the following is the best way to accomplish this task?

• A. Honeypot
• B. Hybrid cloud
• C. Sandbox
• D. Production network

Answer: C

Explanation:
A sandbox is a virtual environment that allows testing or running applications without affecting the main system. A sandbox can isolate the applications from the rest of the system, preventing any unwanted changes, errors, or security risks. A sandbox can also be easily reset to the initial state, discarding any modifications or data generated by the applications12.
A sandbox is a useful tool for stress testing multiple applications, as it can:
*Simulate different scenarios and conditions for the applications, such as high load, low memory, network latency, etc.
*Monitor and measure the performance, stability, and resource consumption of the applications under stress.
*Compare and analyze the results of different applications or different versions of the same application.
*Identify and fix any bugs, errors, or vulnerabilities in the applications before deploying them to the main system.

NEW QUESTION # 273
A customer built a computer for gaming, sourcing individual components and then assembling the system. The OS starts up, but within a few minutes the machine locks up. The customer brought the computer to a technician to diagnose the issue.

Answer:

Explanation:

NEW QUESTION # 274
A user submits a help desk ticket regarding a smartphone that will no longer accept its charging cable. The assigned technician notices the phone does not have a protective case, and the user constantly transport the phone in a pocket. The technician attempts to use a secondary charger, but the cable falls out of the phone. Which of the following is the MOST likely cause of the issue?

• A. The charge port contains foreign objects, such as lint.
• B. The phone requires a firmware update to address charging issues.
• C. The phone has experienced water damage, thus the battery is not charring.
• D. The phone's battery has swelled, preventing the utilization of the charge port.

Answer: A

NEW QUESTION # 275
A customer's laptop is making clicking sounds in the area where non-volatile storage is installed. A technician examines the laptop and confirms the issue. Which of the following is the most appropriate replacement part?

• A. M.2 SATA SSD
• B. 7,200rpm HDD
• C. SCSI 15,000rpm HDD
• D. NVMe SSD

Answer: D

Explanation:
Explanation
NVMe stands for Non-Volatile Memory Express, and it is a type of SSD (solid state drive) that uses PCIe (Peripheral Component Interconnect Express) interface to connect to a computer. NVMe SSDs offer faster performance and lower latency than other types of SSDs, such as SATA (Serial ATA) or M.2 SATA. If a user reports that a PC occasionally fails to boot and makes clicking sounds in the area where non-volatile storage is installed, it indicates that the hard drive is failing and needs to be replaced with an NVMe SSD.

NEW QUESTION # 276
A user wants a second monitor installed on a laptop. The VGA/DVI or HDMI cables have already been connected. Which of the following should the technician do to configure the laptop to show both screens?

• A. Power cycle the laptop.
• B. Adjust the monitor display settings.
• C. Power cycle the monitor.
• D. Plug in the monitor to the USB port.

Answer: B

NEW QUESTION # 277
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