CompTIA 220-1201 Practice Test 50
Question 490
A support request at Silverline Travel presents this problem: A builder swaps in a low-wattage supply that lacks the required eight-pin GPU feed. The desired outcome is to select an adequately rated power supply with correct board and GPU connectors. A safe non-destructive test must be used before replacing additional parts. How should the solution first be tested on an approved spare or pilot system?
- Fit approved cables on a disconnected spare PSU and compare the stated pinout
- Benchmark random reads on approved test HDD and SATA SSD devices
- Bench-test with a known-good compatible PSU before sustained load testing
- Remove one module during a controlled failover test with adequate remaining capacity
Explanation
Correct Answer
C:
Bench-test with a known-good compatible PSU before sustained load testing. It tests the proposed solution safely on an approved representative system. The relevant observation is that a builder swaps in a low-wattage supply that lacks the required eight-pin GPU feed. The support goal is to select an adequately rated power supply with correct board and GPU connectors; this pilot action specifically addresses psu wattage and 20+4 atx connector without confusing a different subsystem.
Incorrect Answers
A:
Fit approved cables on a disconnected spare PSU and compare the stated pinout. This action is appropriate for modular psu cable safety, normally when a builder replaces a modular PSU but wants to reuse its old detachable power leads. Here the observed facts require psu wattage and 20+4 atx connector instead.
B:
Benchmark random reads on approved test HDD and SATA SSD devices. This action is appropriate for ssd versus hdd latency and interface, normally when a mobile user needs low-latency storage and shock resistance but a procurement request specifies a 5400 RPM hard disk. Here the observed facts require psu wattage and 20+4 atx connector instead.
D:
Remove one module during a controlled failover test with adequate remaining capacity. This action is appropriate for redundant psu failover, normally when an office server needs to stay online when one power supply module fails. Here the observed facts require psu wattage and 20+4 atx connector instead.
Question 491
A support request at Orchard Services presents this problem: A corporate laptop's camera indicator comes on during meetings even when the user thinks video is disabled. The supporting record states that the hardware privacy shutter and camera disable switch are independently controllable from the conferencing app. The desired outcome is to distinguish physical camera privacy control from software meeting settings. Any configuration change must be reversible and validated on a controlled test device. Which controlled service test best evaluates the planned approach?
- Test the camera preview with the shutter closed and reopened on an authorized test laptop
- On a powered-off service unit, reseat the antenna leads with the correct nonconductive tool
- Have a trained technician isolate power and remove the swollen unit using manufacturer service steps
- Test one vendor-approved SODIMM in the serviceable laptop with the battery and power removed
Explanation
Correct Answer
A:
Test the camera preview with the shutter closed and reopened on an authorized test laptop. It tests the proposed solution safely on an approved representative system. The relevant observation is that the hardware privacy shutter and camera disable switch are independently controllable from the conferencing app. The support goal is to distinguish physical camera privacy control from software meeting settings; this pilot action specifically addresses physical webcam privacy hardware without confusing a different subsystem.
Incorrect Answers
B:
On a powered-off service unit, reseat the antenna leads with the correct nonconductive tool. This 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 physical webcam privacy hardware instead.
C:
Have a trained technician isolate power and remove the swollen unit using manufacturer service steps. This action is appropriate for swollen laptop battery replacement, normally when a business laptop has a lifted trackpad and a visibly swollen internal lithium-ion battery. Here the observed facts require physical webcam privacy hardware instead.
D:
Test one vendor-approved SODIMM in the serviceable laptop with the battery and power removed. 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 physical webcam privacy hardware instead.
Question 492
On a service ticket for Westbrook Energy, the team observes: A company phone has cellular signal bars but cannot attach to its assigned business data plan. The supporting record states that the mobile carrier issued a new eSIM activation profile that has not been installed. The desired outcome is to provision the correct cellular subscriber identity before troubleshooting Wi-Fi. User data and business service continuity must be preserved. What observation would verify successful service restoration?
- Verify mobile data works with Wi-Fi off and voice features meet plan support
- Verify the app receives usable location when authorized and loses access when revoked
- Verify the appointment and a test contact appear consistently on both devices
- Confirm controlled copy or save actions are restricted while private personal content remains unaffected
Explanation
Correct Answer
A:
Verify mobile data works with Wi-Fi off and voice features meet plan support. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that the mobile carrier issued a new eSIM activation profile that has not been installed. The support goal is to provision the correct cellular subscriber identity before troubleshooting Wi-Fi; this validate action specifically addresses mobile esim carrier activation without confusing a different subsystem.
Incorrect Answers
B:
Verify the app receives usable location when authorized and loses access when revoked. This action is appropriate for location permission for navigation, normally when a dispatch app cannot show a user's current position on an otherwise connected smartphone. Here the observed facts require mobile esim carrier activation instead.
C:
Verify the appointment and a test contact appear consistently on both devices. This action is appropriate for mobile calendar and contact synchronization, normally when a user's phone receives mail but calendar edits never appear on the company laptop. Here the observed facts require mobile esim carrier activation instead.
D:
Confirm controlled copy or save actions are restricted while private personal content remains unaffected. This action is appropriate for byod mobile application management, normally when staff use personally owned phones to read corporate mail but refuse full device enrollment. Here the observed facts require mobile esim carrier activation instead.
Question 493
A support request at Horizon College presents this problem: A storage drive goes offline when its case is moved and diagnostics show many SATA CRC counts. The desired outcome is to distinguish data cabling problems from disk surface failure. A safe non-destructive test must be used before replacing additional parts. How should the solution first be tested on an approved spare or pilot system?
- Pilot an alternate AP channel in a safe window while measuring client retry rate
- Rehearse a RAID 1 rebuild with a disposable lab array and a spare disk
- Restore a test file set to a replacement disk in an isolated recovery workflow
- Boot from a known-good test cable while leaving drive content unchanged
Explanation
Correct Answer
D:
Boot from a known-good test cable while leaving drive content unchanged. It tests the proposed solution safely on an approved representative system. The relevant observation is that a storage drive goes offline when its case is moved and diagnostics show many SATA CRC counts. The support goal is to distinguish data cabling problems from disk surface failure; this pilot action specifically addresses intermittent sata cable data fault without confusing a different subsystem.
Incorrect Answers
A:
Pilot an alternate AP channel in a safe window while measuring client retry rate. This action is appropriate for intermittent wi-fi due to channel interference, normally when users near a lunchroom suffer slow 2.4 GHz Wi-Fi at peak periods while wired links stay normal. Here the observed facts require intermittent sata cable data fault instead.
B:
Rehearse a RAID 1 rebuild with a disposable lab array and a spare disk. That action is appropriate for degraded raid after a failed member, normally when a mirrored NAS reports one disk failed while files remain available. Here the observed facts require intermittent sata cable data fault instead.
C:
Restore a test file set to a replacement disk in an isolated recovery workflow. That action is appropriate for s.m.a.r.t. warning and imminent drive failure, normally when a desktop disk reports increasing reallocated sectors and read retries. Here the observed facts require intermittent sata cable data fault instead.
Question 494
During Harborworks's hardware and network incident triage, the technician encounters this condition: A machine passes idle checks but reboots when the GPU and CPU draw peak power together. The supporting record states that the PSU is below vendor recommended capacity and its protection event appears in a diagnostic log. The desired outcome is to differentiate load-related power failure from random OS application crashes. The goal is to restore required function without creating a new security or safety problem. Which verification result supports the intended technical outcome?
- Verify dark print appears on the active coated side without consumable ink
- Verify stable operation without power-related resets at the specified load
- Verify POST and extended memory tests pass with all intended modules installed
- Verify POST and video return without the suspect expansion card
Explanation
Correct Answer
B:
Verify stable operation without power-related resets at the specified load. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that the PSU is below vendor recommended capacity and its protection event appears in a diagnostic log. The support goal is to differentiate load-related power failure from random OS application crashes; this validate action specifically addresses psu instability under peak component load without confusing a different subsystem.
Incorrect Answers
A:
Verify dark print appears on the active coated side without consumable ink. This action is appropriate for thermal printer paper orientation, normally when a shipping label printer feeds paper but produces completely blank labels. Here the observed facts require psu instability under peak component load instead.
C:
Verify POST and extended memory tests pass with all intended modules installed. This action is appropriate for desktop memory fault preventing post, normally when a desktop powers on but gives a repeating memory-related beep pattern and no display. Here the observed facts require psu instability under peak component load instead.
D:
Verify POST and video return without the suspect expansion card. This action is appropriate for post beep code interpretation and expansion-card isolation, normally when a newly upgraded desktop beeps at startup and shows no BIOS screen. Here the observed facts require psu instability under peak component load instead.
Question 495
During Vertex Media's IT virtualization planning, the technician encounters this condition: A team needs to package one web service and its dependencies but not another complete guest kernel. The supporting record states that its runtime supports containers sharing the host operating system kernel. The desired outcome is to identify containers versus full operating-system VMs for application packaging. The technician must document observations separately from assumptions. Which planned change most directly resolves the documented issue?
- Keep snapshots for short rollback and use separate validated backups for data resilience
- Use a Type 2 hosted hypervisor for a nonproduction guest on the existing OS
- Deploy a supported VDI solution with centrally hosted desktop sessions
- Use a container image for the application and a VM where a separate guest OS is necessary
Explanation
Correct Answer
D:
Use a container image for the application and a VM where a separate guest OS is necessary. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that its runtime supports containers sharing the host operating system kernel. The support goal is to identify containers versus full operating-system VMs for application packaging; this design action specifically addresses container isolation versus full virtual machine without confusing a different subsystem.
Incorrect Answers
A:
Keep snapshots for short rollback and use separate validated backups for data resilience. 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 container isolation versus full virtual machine instead.
B:
Use a Type 2 hosted hypervisor for a nonproduction guest on the existing OS. This 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 container isolation versus full virtual machine instead.
C:
Deploy a supported VDI solution with centrally hosted desktop sessions. This 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 container isolation versus full virtual machine instead.
Question 496
On a service ticket for Bluefin Logistics, the team observes: A datacenter team wants direct server virtualization instead of a developer's hosted VM application. The desired outcome is to choose the hypervisor class appropriate for dedicated host operation. The customer requires a verified fix rather than a guess based on one symptom. Which safe pilot action gives the most relevant evidence?
- Create a disposable VM and verify host and guest can run concurrently
- Start a harmless container on a lab host and inspect the shared kernel version
- Open a test virtual desktop session from a thin client over a controlled network
- Install a test bare-metal hypervisor on approved compatible lab server hardware
Explanation
Correct Answer
D:
Install a test bare-metal hypervisor on approved compatible lab server hardware. It tests the proposed solution safely on an approved representative system. The relevant observation is that a datacenter team wants direct server virtualization instead of a developer's hosted VM application. The support goal is to choose the hypervisor class appropriate for dedicated host operation; this pilot action specifically addresses type 1 versus type 2 hypervisors without confusing a different subsystem.
Incorrect Answers
A:
Create a disposable VM and verify host and guest can run concurrently. This 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 type 1 versus type 2 hypervisors instead.
B:
Start a harmless container on a lab host and inspect the shared kernel version. This action is appropriate for container isolation versus full virtual machine, normally when a team needs to package one web service and its dependencies but not another complete guest kernel. Here the observed facts require type 1 versus type 2 hypervisors instead.
C:
Open a test virtual desktop session from a thin client over a controlled network. This 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 type 1 versus type 2 hypervisors instead.
Question 497
On a service ticket for Beacon Group, the team observes: A hospital hosts a sensitive application on-site and uses public cloud only for an integrated scheduling front end. The desired outcome is to classify a hybrid-cloud deployment based on integrated private and public environments. Service work must follow power isolation, ESD, and manufacturer instructions when applicable. What observation would verify successful service restoration?
- Verify one tenant cannot view the other's data without assuming the physical servers are dedicated
- Verify the customer can create databases without administering host OS patching
- Verify guest machines start without depending on an interactive desktop host OS
- Verify the stated legacy service stays private while the public component communicates only over approved paths
Explanation
Correct Answer
D:
Verify the stated legacy service stays private while the public component communicates only over approved paths. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that a hospital hosts a sensitive application on-site and uses public cloud only for an integrated scheduling front end. The support goal is to classify a hybrid-cloud deployment based on integrated private and public environments; this validate action specifically addresses public versus private versus hybrid cloud without confusing a different subsystem.
Incorrect Answers
A:
Verify one tenant cannot view the other's data without assuming the physical servers are dedicated. That action is appropriate for multitenancy versus dedicated cloud resources, normally when an organization uses a SaaS platform shared with several customer organizations. Here the observed facts require public versus private versus hybrid cloud instead.
B:
Verify the customer can create databases without administering host OS patching. That action is appropriate for iaas versus paas versus saas ownership, normally when a small business wants a hosted database platform but not responsibility for patching the underlying database server OS. Here the observed facts require public versus private versus hybrid cloud instead.
C:
Verify guest machines start without depending on an interactive desktop host OS. This action is appropriate for type 1 versus type 2 hypervisors, normally when an organization needs multiple production VMs on a dedicated virtualization host without a general-purpose desktop OS layer. Here the observed facts require public versus private versus hybrid cloud instead.
Question 498
On a service ticket for Brookside Agency, the team observes: A desktop disk reports increasing reallocated sectors and read retries. The supporting record states that the drive has slow reads and a SMART overall health warning on a noncritical data volume. The desired outcome is to treat failing disk health as a data protection issue before performance tuning. Service work must follow power isolation, ESD, and manufacturer instructions when applicable. Which acceptance result best demonstrates the issue is resolved?
- Verify the array returns to healthy state and files match known checksums
- Verify interface CRC errors stop increasing and drive detection is consistent
- Verify backup integrity and correct operation from the new healthy drive
- Verify the original system boots normally with both drives attached
Explanation
Correct Answer
C:
Verify backup integrity and correct operation from the new healthy drive. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that the drive has slow reads and a SMART overall health warning on a noncritical data volume. The support goal is to treat failing disk health as a data protection issue before performance tuning; this validate action specifically addresses s.m.a.r.t. warning and imminent drive failure without confusing a different subsystem.
Incorrect Answers
A:
Verify the array returns to healthy state and files match known checksums. That action is appropriate for degraded raid after a failed member, normally when a mirrored NAS reports one disk failed while files remain available. Here the observed facts require s.m.a.r.t. warning and imminent drive failure instead.
B:
Verify interface CRC errors stop increasing and drive detection is consistent. That action is appropriate for intermittent sata cable data fault, normally when a SATA HDD disappears occasionally despite healthy spin-up and no clear media errors. Here the observed facts require s.m.a.r.t. warning and imminent drive failure instead.
D:
Verify the original system boots normally with both drives attached. This action is appropriate for uefi boot order after a second drive, normally when a computer reports no bootable operating system after a new secondary drive was added. Here the observed facts require s.m.a.r.t. warning and imminent drive failure instead.
Question 499
On a service ticket for Seabright Supplies, the team observes: Users near a lunchroom suffer slow 2.4 GHz Wi-Fi at peak periods while wired links stay normal. The supporting record states that RF survey shows high channel utilization and overlapping neighboring APs. The desired outcome is to resolve radio interference before increasing wired internet capacity. The goal is to restore required function without creating a new security or safety problem. Which post-repair signal best detects regression or repeat exposure?
- Monitor CRC errors and recurring physical link events
- Monitor port configuration drift and unexpected subnet allocations
- Monitor resolver errors and DHCP option drift
- Monitor busy-channel duration and newly deployed neighboring radios
Explanation
Correct Answer
D:
Monitor busy-channel duration and newly deployed neighboring radios. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that RF survey shows high channel utilization and overlapping neighboring APs. The support goal is to resolve radio interference before increasing wired internet capacity; this monitor action specifically addresses intermittent wi-fi due to channel interference without confusing a different subsystem.
Incorrect Answers
A:
Monitor CRC errors and recurring physical link events. This action is appropriate for copper ethernet link flapping, normally when a workstation loses Ethernet connection whenever its patch lead is bent. Here the observed facts require intermittent wi-fi due to channel interference instead.
B:
Monitor port configuration drift and unexpected subnet allocations. That action is appropriate for vlan mismatch causing one desk to lose access, normally when a desk phone and PC stop reaching their correct services after a switch port change. Here the observed facts require intermittent wi-fi due to channel interference instead.
C:
Monitor resolver errors and DHCP option drift. That action is appropriate for dns failure with working ip connectivity, normally when a workstation opens a service directly by numeric IP but says its hostname cannot be resolved. Here the observed facts require intermittent wi-fi due to channel interference instead.
Question 500
On a service ticket for Juniper Tech, the team observes: A trainer wants to run a Linux guest inside Windows for an afternoon workshop. The desired outcome is to choose a hosted virtualization approach suitable for local test development. A safe non-destructive test must be used before replacing additional parts. Which planned change most directly resolves the documented issue?
- Enable the appropriate CPU virtualization feature in firmware under change control
- Use a container image for the application and a VM where a separate guest OS is necessary
- Select a supported Type 1 bare-metal hypervisor for the production host requirement
- Use a Type 2 hosted hypervisor for a nonproduction guest on the existing OS
Explanation
Correct Answer
D:
Use a Type 2 hosted hypervisor for a nonproduction guest on the existing OS. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that a trainer wants to run a Linux guest inside Windows for an afternoon workshop. The support goal is to choose a hosted virtualization approach suitable for local test development; this design action specifically addresses hosted type 2 virtualization for testing without confusing a different subsystem.
Incorrect Answers
A:
Enable the appropriate CPU virtualization feature in firmware under change control. That action is appropriate for virtualization cpu extensions, normally when a new virtual machine cannot start a 64-bit guest even though the host processor supports virtualization. Here the observed facts require hosted type 2 virtualization for testing instead.
B:
Use a container image for the application and a VM where a separate guest OS is necessary. This action is appropriate for container isolation versus full virtual machine, normally when a team needs to package one web service and its dependencies but not another complete guest kernel. Here the observed facts require hosted type 2 virtualization for testing instead.
C:
Select a supported Type 1 bare-metal hypervisor for the production host requirement. That action is appropriate for type 1 versus type 2 hypervisors, normally when an organization needs multiple production VMs on a dedicated virtualization host without a general-purpose desktop OS layer. Here the observed facts require hosted type 2 virtualization for testing instead.
