A technician is adding one more line at the demarcation point. Which of the following tools would be MOST useful to accomplish this task?
A. Toner
B. Punchdown
C. Network tap
D. Crimper
Punchdown tools are used to make connections between wires in a 66/110 block at the demarcation point. The tool is used to insert the wire into the appropriate holes in the block, and it can be used to add additional lines to the demarcation point. The other options are not the correct tools for adding lines to the demarcation point. A toner is used to identify cable pairs, a network tap is used to monitor network traffic, and a crimper is used to terminate cables.
A salesperson is using a weather application on a mobile device. The application appears to be draining the device's battery very quickly. Which of the following is the BEST action for the salesperson to take in order to view weather forecasts while travelling?
A. Enable the GPS service to ensure accurate location detection.
B. Manually enter office locations in the weather application.
C. Configure less frequent location checks using cellular location services.
D. Use the offices' Wi-Fi IP addresses as the geolocation mechanism.
Explanation:
Reducing the frequency of location checks using cellular location services will consume less battery power while still allowing the user to view weather forecasts while travelling. The other options may not solve the battery drain issue while using the weather application.
Configuring less frequent location checks using cellular location services is the best option for the salesperson to view weather forecasts while traveling without draining the battery too quickly.
References:
https://www.makeuseof.com/tag/5-ways-improve-battery-life-android-phone/
A virtual file server in the cloud is configured to automatically add compute resources during times of high load on the server. Which of the following describes this cloud feature?
A. File synchronization
B. High availability
C. Rapid elasticity
D. Shared resources
Explanation:
Rapid elasticity is a cloud feature that allows cloud services to scale up or down automatically according to demand or load on the server, without requiring manual intervention or configuration changes by users or administrators.This enables cloud services to provide optimal performance and efficiency at all times, as well as reducing costs by only using resources when needed.
Reference:
https://www.comptia.org/training/books/a-core-1-220-1101-study-guide
A software developer used client-side virtualization on a server to configure a web application. Although the application is working locally on the software developer's PC, other users on the LAN are not able to access the application. Which of the following would allow other users to access the application?
A. Bridge networking
B. Application virtualization
C. Virtual desktop
D. Site-to-site VPN
Explanation:
Client-side virtualization is used to run an application or process on a separate virtual machine, isolated from the main operating system. To allow other users on the LAN to access the application, the software developer should configure a bridge networking connection between the virtual machine and the LAN. This will allow the virtual machine to communicate with other computers on the network. Application virtualization, virtual desktop, and site-to-site VPN are not necessary steps for allowing other users to access the application.
Which of the following network options would work BEST to ensure a client-side virtual machine cannot access the rest of the network?
A. NAT mode
B. Bridge mode
C. Direct mode
D. Host-only mode
Explanation:
Host-only mode is a network option that isolates a client-side virtual machine from the rest of the network. It allows the virtual machine to communicate only with the host machine and other virtual machines on the same host. NAT mode allows the virtual machine to share the host’s IP address and access the network through it. Bridge mode allows the virtual machine to have its own IP address and connect directly to the network. Direct mode is not a valid network option for virtual machines.
A technician needs to increase the available RAM on a virtual workstation. Which of the following should the technician do?
A. Increase the ECC memory timings in the BIOS.
B. Upgrade to the latest DDR5 modules.
C. Clear the temporary files on the workstation’s boot drive.
D. Use a hypervisor to adjust the resource allocation.
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
A printer technician receives a support request for a laser printer that sometimes cuts off the bottom of the print job. During troubleshooting the technician notices that affected jobs are set for 8.5in x 14in (216mm x 356mm) paper and only print from a particular paper tray. Which of the following actions should the technician perform NEXT?
A. Verify that the printing trays are correctly set.
B. Swap printer trays until the print jobs complete as expected.
C. Replace the tray rollers to ensure proper alignment.
D. Reset the default to use 8.5in x 11in (216mm x 279mm) paper
Explanation:
[Reference: https://partners.comptia.org/docs/default-source/resources/a-core-1-content-guide (page 16), ]
A technician is installing a USB Wi-Fi card. Which of the following would be the MOST appropriate way for the technician to receive the latest official drivers for the device?
A. Download the drivers from the vendor's website.
B. Allow the OS to install the drivers automatically.
C. Utilize a third-party. non-OEM driver.
D. Run the autoinstall CD.
Explanation:
The most appropriate way for the technician to receive the latest official drivers for a USB Wi-Fi card is to download them from the vendor’s website. This ensures that the drivers are compatible, updated, and secure. Allowing the OS to install the drivers automatically may not provide the latest or best drivers for the device. Utilizing a third-party, non-OEM driver could cause compatibility or security issues. Running the autoinstall CD could install outdated or unnecessary software along with the drivers
A service technician replaced the gateway, and a user is now unable to access the SOHO wireless network. Which of the following steps should the technician take to resolve the issue?
A. Assess the network cables for damage.
B. Disable Bluetooth connections.
C. Update the firmware.
D. Check if the password and SSID are correct
Explanation:
Checking if the password and SSID are correct is the best step that the technician should take to resolve the issue of a user being unable to access the SOHO wireless network after replacing the gateway. The new gateway may have a different password and SSID than the old one, which would prevent the user from connecting to the wireless network. The technician should verify that the user has entered the correct password and SSID for the new gateway. Assessing the network cables for damage, disabling Bluetooth connections, or updating the firmware are not likely to solve the issue, as they are not related to the wireless network authentication
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 spend more time testing theories to determine the root causes 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 document the findings, action, and outcomes of issues.
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
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