CompTIA 220-1201 Practice Test 52
Question 510
At Fountain Transport, a technician working in desktop hardware service bench identifies this issue: A campus backbone spans several kilometers between buildings and requires high throughput. The supporting record states that the planned multimode optic supports too short a reach for the installed path while suitable single-mode optics exist. The desired outcome is to choose optical media and transceivers matched to distance and wavelength. Only approved service procedures and compatible replacement components may be used. How should the solution first be tested on an approved spare or pilot system?
- Run a non-destructive throughput test using known files on a certified host/cable pair
- Install a supported spare drive into a test board and check firmware discovery
- Verify a test single-mode pair with appropriate optics and light-level measurements
- Install a compatible test DIMM with power disconnected and ESD precautions
Explanation
Correct Answer
C:
Verify a test single-mode pair with appropriate optics and light-level measurements. It tests the proposed solution safely on an approved representative system. The relevant observation is that the planned multimode optic supports too short a reach for the installed path while suitable single-mode optics exist. The support goal is to choose optical media and transceivers matched to distance and wavelength; this pilot action specifically addresses single-mode versus multimode fiber without confusing a different subsystem.
Incorrect Answers
A:
Run a non-destructive throughput test using known files on a certified host/cable pair. That action is appropriate for usb-c versus thunderbolt port capability, normally when an external high-bandwidth storage enclosure only negotiates low speed on a laptop USB-C connector. Here the observed facts require single-mode versus multimode fiber instead.
B:
Install a supported spare drive into a test board and check firmware discovery. That action is appropriate for nvme pcie versus sata storage interface, normally when a technician orders an M.2 SSD for a motherboard slot that supports only SATA signaling. Here the observed facts require single-mode versus multimode fiber instead.
D:
Install a compatible test DIMM with power disconnected and ESD precautions. This action is appropriate for sodimm versus dimm form factor, normally when a desktop repair requires replacement memory but the spare part comes from a notebook. Here the observed facts require single-mode versus multimode fiber instead.
Question 511
At Monarch Pharmacy, a technician working in computer equipment refresh identifies this issue: A laptop replacement M.2 disk fits its bay but is invisible because firmware supports only SATA M.2. The desired outcome is to match storage interface protocol to motherboard slot capabilities. Any configuration change must be reversible and validated on a controlled test device. Which verification result supports the intended technical outcome?
- Verify drive detection and intended interface performance without forcing a mismatched module
- Confirm the optical receive power and link speed meet both transceiver specifications
- Verify all conductors and pairs map correctly end-to-end
- Verify touch points align across the affected area while brightness remains normal
Explanation
Correct Answer
A:
Verify drive detection and intended interface performance without forcing a mismatched module. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that a laptop replacement M.2 disk fits its bay but is invisible because firmware supports only SATA M.2. The support goal is to match storage interface protocol to motherboard slot capabilities; this validate action specifically addresses nvme pcie versus sata storage interface without confusing a different subsystem.
Incorrect Answers
B:
Confirm the optical receive power and link speed meet both transceiver specifications. This action is appropriate for single-mode versus multimode fiber, normally when a campus backbone spans several kilometers between buildings and requires high throughput. Here the observed facts require nvme pcie versus sata storage interface instead.
C:
Verify all conductors and pairs map correctly end-to-end. This action is appropriate for t568a versus t568b rj45 terminations, normally when a newly crimped eight-wire Ethernet cable fails a wiremap test because one end follows T568A and the other T568B. Here the observed facts require nvme pcie versus sata storage interface instead.
D:
Verify touch points align across the affected area while brightness remains normal. This action is appropriate for digitizer input versus backlight inverter, normally when a convertible LCD image is visible but finger touches no longer register at a specific region. Here the observed facts require nvme pcie versus sata storage interface instead.
Question 512
At Aster Systems, a technician working in cloud and desktop infrastructure review identifies this issue: A PC shows a hypervisor unavailable error until processor virtualization is enabled in UEFI. The desired outcome is to identify firmware virtualization prerequisites for a supported VM platform. Only approved service procedures and compatible replacement components may be used. How should the solution first be tested on an approved spare or pilot system?
- Boot a disposable guest after enabling the feature on a lab system
- Open a test virtual desktop session from a thin client over a controlled network
- Take a test snapshot then restore it while testing separate backup recovery
- Create a disposable VM and verify host and guest can run concurrently
Explanation
Correct Answer
A:
Boot a disposable guest after enabling the feature on a lab system. It tests the proposed solution safely on an approved representative system. The relevant observation is that a PC shows a hypervisor unavailable error until processor virtualization is enabled in UEFI. The support goal is to identify firmware virtualization prerequisites for a supported VM platform; this pilot action specifically addresses virtualization cpu extensions without confusing a different subsystem.
Incorrect Answers
B:
Open a test virtual desktop session from a thin client over a controlled network. That action is appropriate for vdi versus local desktop processing, normally when a company wants centrally managed user desktops accessed from inexpensive endpoints. Here the observed facts require virtualization cpu extensions instead.
C:
Take a test snapshot then restore it while testing separate backup recovery. This action is appropriate for vm snapshot versus independent backup, normally when a developer calls a local VM snapshot a complete disaster recovery backup. Here the observed facts require virtualization cpu extensions instead.
D:
Create a disposable VM and verify host and guest can run concurrently. That action is appropriate for hosted type 2 virtualization for testing, normally when a help desk engineer needs an isolated test operating system on an existing laptop. Here the observed facts require virtualization cpu extensions instead.
Question 513
At Brookside Agency, a technician working in computer equipment refresh identifies this issue: An office wants automatic two-sided printing from the legal-size tray but jobs pull A4 from the default bin. The desired outcome is to correct printer job configuration rather than replacing hardware. Any configuration change must be reversible and validated on a controlled test device. Which acceptance result best demonstrates the issue is resolved?
- Verify both pages print correctly on the requested paper with intended orientation
- Verify output remains held until authorized release and does not appear for other users
- Verify stable output and no PSU overload when rendering
- Verify toner density improves consistently across the page
Explanation
Correct Answer
A:
Verify both pages print correctly on the requested paper with intended orientation. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that an office wants automatic two-sided printing from the legal-size tray but jobs pull A4 from the default bin. The support goal is to correct printer job configuration rather than replacing hardware; this validate action specifically addresses printer duplex and tray settings without confusing a different subsystem.
Incorrect Answers
B:
Verify output remains held until authorized release and does not appear for other users. That action is appropriate for secure pull-print and release authentication, normally when confidential reports regularly sit unclaimed in a shared hallway printer's output tray. Here the observed facts require printer duplex and tray settings instead.
C:
Verify stable output and no PSU overload when rendering. This action is appropriate for pcie slot and gpu power constraints, normally when a designer's PC has an available physical PCIe x16 slot but an upgraded graphics card fails under load. Here the observed facts require printer duplex and tray settings instead.
D:
Verify toner density improves consistently across the page. That action is appropriate for laser printer faded output and toner, normally when a monochrome laser printer produces uniformly faint pages after many high-volume print jobs. Here the observed facts require printer duplex and tray settings instead.
Question 514
On a service ticket for Bluefin Logistics, the team observes: An older laptop has an empty DDR4 memory socket but procurement ordered desktop DIMMs. The desired outcome is to select physically and electrically compatible mobile memory. The technician must document observations separately from assumptions. Which safe pilot action gives the most relevant evidence?
- Restore a non-sensitive test backup to the new SSD and verify recovery-key retrieval in a controlled service workflow
- Test pressure sensitivity and palm rejection using a compatible pen in a drawing app
- On a powered-off service unit, reseat the antenna leads with the correct nonconductive tool
- Test one vendor-approved SODIMM in the serviceable laptop with the battery and power removed
Explanation
Correct Answer
D:
Test one vendor-approved SODIMM in the serviceable laptop with the battery and power removed. It tests the proposed solution safely on an approved representative system. The relevant observation is that an older laptop has an empty DDR4 memory socket but procurement ordered desktop DIMMs. The support goal is to select physically and electrically compatible mobile memory; this pilot action specifically addresses laptop sodimm compatibility without confusing a different subsystem.
Incorrect Answers
A:
Restore a non-sensitive test backup to the new SSD and verify recovery-key retrieval in a controlled service workflow. That action is appropriate for laptop ssd replacement and encryption, normally when a laptop SSD is failing SMART health checks and holds company data protected with full-disk encryption. Here the observed facts require laptop sodimm compatibility instead.
B:
Test pressure sensitivity and palm rejection using a compatible pen in a drawing app. This action is appropriate for active stylus digitizer compatibility, normally when a designer needs pen pressure and palm rejection on a convertible laptop. Here the observed facts require laptop sodimm compatibility instead.
C:
On a powered-off service unit, reseat the antenna leads with the correct nonconductive tool. That action is appropriate for laptop wi-fi antenna reconnection, normally when after a laptop display assembly replacement, Bluetooth works but Wi-Fi signal is very weak. Here the observed facts require laptop sodimm compatibility instead.
Question 515
During Falcon Transit's laptop and mobile device repair, the technician encounters this condition: A designer needs pen pressure and palm rejection on a convertible laptop. The supporting record states that the screen accepts touch but the proposed inexpensive capacitive stylus has no active digitizer protocol. The desired outcome is to select the accessory matching digitizer features rather than the touch surface alone. Only approved service procedures and compatible replacement components may be used. Which acceptance result best demonstrates the issue is resolved?
- Verify pressure levels vary correctly and resting the hand does not draw unintended strokes
- Confirm the display works only through a documented compatible video path
- Verify both displays run at specified resolutions and the battery gains charge under expected load
- Verify BIOS reports the expected memory and extended diagnostics pass without errors
Explanation
Correct Answer
A:
Verify pressure levels vary correctly and resting the hand does not draw unintended strokes. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that the screen accepts touch but the proposed inexpensive capacitive stylus has no active digitizer protocol. The support goal is to select the accessory matching digitizer features rather than the touch surface alone; this validate action specifically addresses active stylus digitizer compatibility without confusing a different subsystem.
Incorrect Answers
B:
Confirm the display works only through a documented compatible video path. This action is appropriate for usb-c connector versus supported protocol, normally when a user assumes every laptop USB-C port can send video to a USB-C monitor. Here the observed facts require active stylus digitizer compatibility instead.
C:
Verify both displays run at specified resolutions and the battery gains charge under expected load. This action is appropriate for docking station display and power capability, normally when a small-business employee connects two monitors and power to a laptop through a new USB-C dock. Here the observed facts require active stylus digitizer compatibility instead.
D:
Verify BIOS reports the expected memory and extended diagnostics pass without errors. This action is appropriate for laptop sodimm compatibility, normally when a field technician wants to add RAM to a serviceable laptop that currently uses DDR4 SODIMMs. Here the observed facts require active stylus digitizer compatibility instead.
Question 516
During Bluefin Logistics's branch networking support, the technician encounters this condition: A new router comes with a legacy wireless security mode that corporate policy prohibits. The desired outcome is to configure wireless authentication matching modern supported clients and documented business exceptions. Only approved service procedures and compatible replacement components may be used. Which acceptance result best demonstrates the issue is resolved?
- Verify routing works without altering the workstation's valid local IP or mask
- Verify upload and download meet agreed service performance targets
- Verify authorized devices connect securely while obsolete WEP-only modes are unavailable
- Verify the client receives a valid network address, gateway and DNS options
Explanation
Correct Answer
C:
Verify authorized devices connect securely while obsolete WEP-only modes are unavailable. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that a new router comes with a legacy wireless security mode that corporate policy prohibits. The support goal is to configure wireless authentication matching modern supported clients and documented business exceptions; this validate action specifically addresses soho wireless wpa security setup without confusing a different subsystem.
Incorrect Answers
A:
Verify routing works without altering the workstation's valid local IP or mask. This action is appropriate for ipv4 subnet mask and gateway selection, normally when a small office workstation has 192.168.10.80/24 and a gateway incorrectly set to 192.168.11.1. Here the observed facts require soho wireless wpa security setup instead.
B:
Verify upload and download meet agreed service performance targets. This action is appropriate for fiber wan versus dsl last-mile capacity, normally when a remote design office regularly transfers multi-gigabyte files and can order either fiber or DSL. Here the observed facts require soho wireless wpa security setup instead.
D:
Verify the client receives a valid network address, gateway and DNS options. This action is appropriate for apipa 169.254.x.x missing dhcp lease, normally when a SOHO laptop automatically assigns itself 169.254.42.19 with a 255.255.0.0 mask. Here the observed facts require soho wireless wpa security setup instead.
Question 517
On a service ticket for Maplebank Ltd, the team observes: A SOHO laptop automatically assigns itself 169.254.42.19 with a 255.255.0.0 mask. The supporting record states that the network uses DHCP but the laptop has not received a valid lease from the local server. The desired outcome is to recognize IPv4 link-local APIPA as a DHCP reachability symptom. Service work must follow power isolation, ESD, and manufacturer instructions when applicable. Which acceptance result best demonstrates the issue is resolved?
- Verify hostname access returns while the assigned IP lease remains unchanged
- Verify the client receives a valid network address, gateway and DNS options
- Verify routing works without altering the workstation's valid local IP or mask
- Verify authorized devices connect securely while obsolete WEP-only modes are unavailable
Explanation
Correct Answer
B:
Verify the client receives a valid network address, gateway and DNS options. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that the network uses DHCP but the laptop has not received a valid lease from the local server. The support goal is to recognize IPv4 link-local APIPA as a DHCP reachability symptom; this validate action specifically addresses apipa 169.254.x.x missing dhcp lease without confusing a different subsystem.
Incorrect Answers
A:
Verify hostname access returns while the assigned IP lease remains unchanged. This action is appropriate for dns resolution versus dhcp address assignment, normally when a workstation has a valid IPv4 address, gateway and lease but cannot reach services by hostname. Here the observed facts require apipa 169.254.x.x missing dhcp lease instead.
C:
Verify routing works without altering the workstation's valid local IP or mask. That action is appropriate for ipv4 subnet mask and gateway selection, normally when a small office workstation has 192.168.10.80/24 and a gateway incorrectly set to 192.168.11.1. Here the observed facts require apipa 169.254.x.x missing dhcp lease instead.
D:
Verify authorized devices connect securely while obsolete WEP-only modes are unavailable. That action is appropriate for soho wireless wpa security setup, normally when a small office access point still allows WEP while newer managed clients support WPA3-Personal. Here the observed facts require apipa 169.254.x.x missing dhcp lease instead.
Question 518
During Horizon College's branch networking support, the technician encounters this condition: An office activates 6 GHz on its AP but a 2019 notebook cannot see that SSID. The desired outcome is to explain why band and client capabilities must agree before joining 6 GHz Wi-Fi. Any configuration change must be reversible and validated on a controlled test device. Which diagnostic check best distinguishes the relevant fault?
- Survey RSSI, interference sources, client capabilities and required throughput on both bands
- Inspect reader specifications, expected distance and supported mobile radio interface
- Check adapter specifications, OS support, channel regulations and required security configuration
- Compare device time zones, NTP peers, drift, and syslog timestamps
Explanation
Correct Answer
C:
Check adapter specifications, OS support, channel regulations and required security configuration. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that an office activates 6 GHz on its AP but a 2019 notebook cannot see that SSID. The support goal is to explain why band and client capabilities must agree before joining 6 GHz Wi-Fi; this diagnose action specifically addresses 6 ghz wi-fi client compatibility without confusing a different subsystem.
Incorrect Answers
A:
Survey RSSI, interference sources, client capabilities and required throughput on both bands. This action is appropriate for 2.4 ghz versus 5 ghz wi-fi trade-offs, normally when a warehouse needs coverage through walls at modest data rates while a crowded office needs faster nearby links. Here the observed facts require 6 ghz wi-fi client compatibility instead.
B:
Inspect reader specifications, expected distance and supported mobile radio interface. This action is appropriate for nfc short-range tap versus bluetooth pairing, normally when a checkout kiosk must read a contactless badge at a few centimeters, not stream audio across a room. Here the observed facts require 6 ghz wi-fi client compatibility instead.
D:
Compare device time zones, NTP peers, drift, and syslog timestamps. This action is appropriate for ntp time service versus centralized syslog, normally when authentication logs from two branch routers show conflicting timestamps during the same event. Here the observed facts require 6 ghz wi-fi client compatibility instead.
Question 519
On a service ticket for Keystone Health, the team observes: A mail migration fails because administrators edit an SPF string instead of the MX record. The desired outcome is to distinguish mail routing records from sender authorization policies. Only approved service procedures and compatible replacement components may be used. What should the technician verify first to establish the problem?
- Inspect MX priority and targets separately from SPF TXT policy and mail service availability
- Inspect channel utilization, RSSI and channel overlap in the affected room
- Inspect local broadcast domains, SSID mappings and remote-access traffic path
- Inspect DHCP scope, existing leases and printer hardware MAC
Explanation
Correct Answer
A:
Inspect MX priority and targets separately from SPF TXT policy and mail service availability. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that a mail migration fails because administrators edit an SPF string instead of the MX record. The support goal is to distinguish mail routing records from sender authorization policies; this diagnose action specifically addresses mx and spf dns records distinct purposes without confusing a different subsystem.
Incorrect Answers
B:
Inspect channel utilization, RSSI and channel overlap in the affected room. This action is appropriate for wi-fi analyzer versus network tap, normally when staff complain about busy wireless channels in a meeting room. Here the observed facts require mx and spf dns records distinct purposes instead.
C:
Inspect local broadcast domains, SSID mappings and remote-access traffic path. That action is appropriate for vlan segmentation versus vpn encrypted tunneling, normally when a small office needs guest Wi-Fi isolated from payroll devices but also needs secure remote employee access. Here the observed facts require mx and spf dns records distinct purposes instead.
D:
Inspect DHCP scope, existing leases and printer hardware MAC. That action is appropriate for dhcp reservation versus exclusion, normally when a networked printer must keep the same IPv4 address while the rest of the office remains DHCP-managed. Here the observed facts require mx and spf dns records distinct purposes instead.
Question 520
During Silverline Travel's desktop hardware service bench, the technician encounters this condition: A workstation used for scientific computation requires supported correction of single-bit RAM errors. The supporting record states that the consumer motherboard specifications do not support ECC operation even with an ECC DIMM installed. The desired outcome is to select ECC hardware only where CPU and board support its error reporting. Any configuration change must be reversible and validated on a controlled test device. What should support monitor to catch a recurrence of the same failure?
- Monitor renegotiation to fallback modes after dock or firmware changes
- Monitor corrected memory events and growing error rates
- Monitor inventory bins for mixed laptop and desktop memory modules
- Monitor unsupported module combinations and BIOS fallback settings
Explanation
Correct Answer
B:
Monitor corrected memory events and growing error rates. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that the consumer motherboard specifications do not support ECC operation even with an ECC DIMM installed. The support goal is to select ECC hardware only where CPU and board support its error reporting; this monitor action specifically addresses ecc memory error correction compatibility without confusing a different subsystem.
Incorrect Answers
A:
Monitor renegotiation to fallback modes after dock or firmware changes. This action is appropriate for usb-c versus thunderbolt port capability, normally when an external high-bandwidth storage enclosure only negotiates low speed on a laptop USB-C connector. Here the observed facts require ecc memory error correction compatibility instead.
C:
Monitor inventory bins for mixed laptop and desktop memory modules. That action is appropriate for sodimm versus dimm form factor, normally when a desktop repair requires replacement memory but the spare part comes from a notebook. Here the observed facts require ecc memory error correction compatibility instead.
D:
Monitor unsupported module combinations and BIOS fallback settings. That action is appropriate for ddr generation electrical compatibility, normally when a replacement RAM order has the correct capacity but the wrong DDR generation. Here the observed facts require ecc memory error correction compatibility instead.
