CompTIA 220-1201 Practice Test 93
Question 920
A support request at Aster Systems presents this problem: 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. Which configuration or repair action best addresses the stated requirement?
- Deploy a supported VDI solution with centrally hosted desktop sessions
- Enable the appropriate CPU virtualization feature in firmware under change control
- 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
Explanation
Correct Answer
B:
Enable the appropriate CPU virtualization feature in firmware under change control. It corrects the documented cause using the compatible technology and support constraints. 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 design action specifically addresses virtualization cpu extensions without confusing a different subsystem.
Incorrect Answers
A:
Deploy a supported VDI solution with centrally hosted desktop sessions. 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:
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 virtualization cpu extensions instead.
D:
Use a Type 2 hosted hypervisor for a nonproduction guest on the existing OS. 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 921
A support request at Juniper Tech presents this problem: A designer's PC has an available physical PCIe x16 slot but an upgraded graphics card fails under load. The supporting record states that the card also needs supplemental PCIe power cables that the PSU lacks. The desired outcome is to check slot, PSU and physical-clearance dependencies for an expansion card. Any configuration change must be reversible and validated on a controlled test device. Which controlled service test best evaluates the planned approach?
- Test the card with all required supported power connections and a controlled workload
- Print a controlled two-page sample from the target application
- Remount the cooler on a safe test board with correct fan connection
- Test one authorized signed boot medium and one deliberately unsigned training medium
Explanation
Correct Answer
A:
Test the card with all required supported power connections and a controlled workload. It tests the proposed solution safely on an approved representative system. The relevant observation is that the card also needs supplemental PCIe power cables that the PSU lacks. The support goal is to check slot, PSU and physical-clearance dependencies for an expansion card; this pilot action specifically addresses pcie slot and gpu power constraints without confusing a different subsystem.
Incorrect Answers
B:
Print a controlled two-page sample from the target application. This action is appropriate for printer duplex and tray settings, normally when a network printer puts letter-size forms on the wrong paper and uses one-sided output. Here the observed facts require pcie slot and gpu power constraints instead.
C:
Remount the cooler on a safe test board with correct fan connection. That action is appropriate for cpu heatsink thermal interface, normally when a workstation reaches a thermal limit seconds after a cooler was replaced. Here the observed facts require pcie slot and gpu power constraints instead.
D:
Test one authorized signed boot medium and one deliberately unsigned training medium. That action is appropriate for uefi secure boot versus boot order, normally when a laptop can start a trusted OS but prompts when an unsigned bootloader is inserted. Here the observed facts require pcie slot and gpu power constraints instead.
Question 922
At Seabright Supplies, a technician working in end-user troubleshooting identifies this issue: A workstation appears dead after a cleaning crew switches off the power strip feeding it. The desired outcome is to isolate basic external power before replacing the motherboard. The technician must document observations separately from assumptions. Which post-repair signal best detects regression or repeat exposure?
- Monitor new POST codes or display initialization failures after component changes
- Monitor outlet failures and repeated power interruptions
- Monitor new memory errors and recurrence after the chassis is moved
- Monitor port configuration drift and unexpected subnet allocations
Explanation
Correct Answer
B:
Monitor outlet failures and repeated power interruptions. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that a workstation appears dead after a cleaning crew switches off the power strip feeding it. The support goal is to isolate basic external power before replacing the motherboard; this monitor action specifically addresses completely dead desktop power path without confusing a different subsystem.
Incorrect Answers
A:
Monitor new POST codes or display initialization failures after component changes. 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 completely dead desktop power path instead.
C:
Monitor new memory errors and recurrence after the chassis is moved. 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 completely dead desktop power path instead.
D:
Monitor port configuration drift and unexpected subnet allocations. This 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 completely dead desktop power path instead.
Question 923
A support request at Amberline Finance presents this problem: An engineer keeps only hypervisor checkpoints on the same datastore and assumes disk failure cannot lose them. The desired outcome is to differentiate state rollback checkpoints from separately stored recoverable backups. User data and business service continuity must be preserved. Which post-repair signal best detects regression or repeat exposure?
- Monitor old snapshots and backup restore-test failures
- Monitor host hardware support and hypervisor security updates
- Monitor BIOS updates that reset virtualization support
- Monitor container image vulnerabilities and excessive runtime privileges
Explanation
Correct Answer
A:
Monitor old snapshots and backup restore-test failures. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that an engineer keeps only hypervisor checkpoints on the same datastore and assumes disk failure cannot lose them. The support goal is to differentiate state rollback checkpoints from separately stored recoverable backups; this monitor action specifically addresses vm snapshot versus independent backup without confusing a different subsystem.
Incorrect Answers
B:
Monitor host hardware support and hypervisor security updates. 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 vm snapshot versus independent backup instead.
C:
Monitor BIOS updates that reset virtualization support. This 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 vm snapshot versus independent backup instead.
D:
Monitor container image vulnerabilities and excessive runtime privileges. That 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 vm snapshot versus independent backup instead.
Question 924
A support request at Fountain Transport presents this problem: 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. Which configuration or repair action best addresses the stated requirement?
- Use the correct desktop DIMM rather than forcing a laptop SODIMM into the socket
- Use supported single-mode fiber and matched long-reach optics for the kilometer-scale link
- Order a compatible SATA M.2 model or install into a supported NVMe PCIe slot
- Connect through a supported Thunderbolt or USB4 port and rated cable meeting the enclosure requirements
Explanation
Correct Answer
B:
Use supported single-mode fiber and matched long-reach optics for the kilometer-scale link. It corrects the documented cause using the compatible technology and support constraints. 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 design action specifically addresses single-mode versus multimode fiber without confusing a different subsystem.
Incorrect Answers
A:
Use the correct desktop DIMM rather than forcing a laptop SODIMM into the socket. 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.
C:
Order a compatible SATA M.2 model or install into a supported NVMe PCIe slot. 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:
Connect through a supported Thunderbolt or USB4 port and rated cable meeting the enclosure requirements. 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.
Question 925
During Brookside Agency's end-user troubleshooting, the technician encounters this condition: An employee can use Teams on office wireless but loses connectivity in the parking lot due to a cellular data toggle. The desired outcome is to distinguish cellular configuration from a working Wi-Fi connection. User data and business service continuity must be preserved. Which safe pilot action gives the most relevant evidence?
- Pilot an alternate AP channel in a safe window while measuring client retry rate
- Turn off Wi-Fi on a spare authorized test device and attempt a harmless network request
- Temporarily disable nonessential background activity for the suspect app on a test phone
- Compare a known-good cable before and after a controlled authorized port inspection
Explanation
Correct Answer
B:
Turn off Wi-Fi on a spare authorized test device and attempt a harmless network request. It tests the proposed solution safely on an approved representative system. The relevant observation is that an employee can use Teams on office wireless but loses connectivity in the parking lot due to a cellular data toggle. The support goal is to distinguish cellular configuration from a working Wi-Fi connection; this pilot action specifically addresses mobile data failure due to disabled cellular 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 mobile data failure due to disabled cellular instead.
C:
Temporarily disable nonessential background activity for the suspect app on a test phone. That action is appropriate for background app mobile battery drain, normally when a business phone loses most of its battery overnight despite a healthy battery test. Here the observed facts require mobile data failure due to disabled cellular instead.
D:
Compare a known-good cable before and after a controlled authorized port inspection. That action is appropriate for mobile charging port debris, normally when a phone charges intermittently only when its USB-C plug is held at an angle. Here the observed facts require mobile data failure due to disabled cellular instead.
Question 926
During Evergreen Manufacturing's branch networking support, the technician encounters this condition: A customer portal slows because all traffic reaches one server while two identical servers sit idle. The desired outcome is to choose the appropriate network service for distributing application traffic. A safe non-destructive test must be used before replacing additional parts. Which inspection most directly confirms the likely cause before changing components?
- Inspect application health checks, backend pool membership and where client requests enter
- Compare DHCP lease options, configured DNS server, and forward lookup results
- Compare device time zones, NTP peers, drift, and syslog timestamps
- Check subnet masks, default gateways and configured inter-subnet routes
Explanation
Correct Answer
A:
Inspect application health checks, backend pool membership and where client requests enter. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that a customer portal slows because all traffic reaches one server while two identical servers sit idle. The support goal is to choose the appropriate network service for distributing application traffic; this diagnose action specifically addresses load balancer versus proxy server functions without confusing a different subsystem.
Incorrect Answers
B:
Compare DHCP lease options, configured DNS server, and forward lookup results. That 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 load balancer versus proxy server functions instead.
C:
Compare device time zones, NTP peers, drift, and syslog timestamps. That 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 load balancer versus proxy server functions instead.
D:
Check subnet masks, default gateways and configured inter-subnet routes. This action is appropriate for router versus layer 2 switch forwarding, normally when two PCs on separate IPv4 subnets can communicate within their own LANs but not across subnets. Here the observed facts require load balancer versus proxy server functions instead.
Question 927
On a service ticket for Westbrook Energy, the team observes: A shipping label printer feeds paper but produces completely blank labels. The supporting record states that the printer uses direct-thermal media and its paper roll has been installed with the coated side facing away from the heating element. The desired outcome is to diagnose thermal paper orientation rather than ink or toner depletion. Any configuration change must be reversible and validated on a controlled test device. Which planned change most directly resolves the documented issue?
- Load the correct thermal stock in the required orientation and clean the printhead as supported
- Move the verified OS boot entry ahead of the empty disk in firmware
- Clean or replace the approved pickup roller or separation pad assembly
- Perform approved nozzle cleaning and replace a failed cartridge or head only if indicated
Explanation
Correct Answer
A:
Load the correct thermal stock in the required orientation and clean the printhead as supported. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that the printer uses direct-thermal media and its paper roll has been installed with the coated side facing away from the heating element. The support goal is to diagnose thermal paper orientation rather than ink or toner depletion; this design action specifically addresses thermal printer paper orientation without confusing a different subsystem.
Incorrect Answers
B:
Move the verified OS boot entry ahead of the empty disk in firmware. 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 thermal printer paper orientation instead.
C:
Clean or replace the approved pickup roller or separation pad assembly. That action is appropriate for laser printer repeated paper jams at pickup, normally when a laser printer jams on the first page when it tries to feed paper from tray 1. Here the observed facts require thermal printer paper orientation instead.
D:
Perform approved nozzle cleaning and replace a failed cartridge or head only if indicated. That action is appropriate for inkjet horizontal banding and nozzle obstruction, normally when an inkjet photo printer produces blank horizontal stripes in cyan images. Here the observed facts require thermal printer paper orientation instead.
Question 928
On a service ticket for Riverlight Retail, the team observes: A conference room projector displays a no-signal message while the laptop works locally. The supporting record states that the laptop is attached by HDMI but the projector input menu is set to a different port. The desired outcome is to resolve a display source-selection issue without reinstalling graphics drivers. The goal is to restore required function without creating a new security or safety problem. What should be tracked after the fix to maintain service reliability?
- Monitor recurring connector issues and dock port strain
- Monitor frequently changed input selections and broken AV cables
- Monitor brightness dropout and hinge-related display cable faults
- Monitor SMART warnings and backup success across endpoints
Explanation
Correct Answer
B:
Monitor frequently changed input selections and broken AV cables. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that the laptop is attached by HDMI but the projector input menu is set to a different port. The support goal is to resolve a display source-selection issue without reinstalling graphics drivers; this monitor action specifically addresses projector wrong input versus computer failure without confusing a different subsystem.
Incorrect Answers
A:
Monitor recurring connector issues and dock port strain. That action is appropriate for intermittent monitor image due to video cable, normally when a monitor intermittently goes black when its display cable is moved. Here the observed facts require projector wrong input versus computer failure instead.
C:
Monitor brightness dropout and hinge-related display cable faults. That action is appropriate for backlight failure on laptop lcd, normally when a laptop screen looks black but a flashlight reveals a faint intact desktop image. Here the observed facts require projector wrong input versus computer failure instead.
D:
Monitor SMART warnings and backup success across endpoints. This 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 projector wrong input versus computer failure instead.
Question 929
A support request at Westbrook Energy presents this problem: A two-disk mirror still serves files but its management page shows a failed member and no redundancy. The desired outcome is to restore RAID redundancy without wiping the surviving volume. User data and business service continuity must be preserved. What should be tracked after the fix to maintain service reliability?
- Monitor firmware resets and missing boot entries
- Monitor incompatible label rolls and printhead wear
- Monitor rebuild progress and additional SMART failures
- Monitor BIOS lane-sharing changes and unsupported replacement drive orders
Explanation
Correct Answer
C:
Monitor rebuild progress and additional SMART failures. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that a two-disk mirror still serves files but its management page shows a failed member and no redundancy. The support goal is to restore RAID redundancy without wiping the surviving volume; this monitor action specifically addresses degraded raid after a failed member without confusing a different subsystem.
Incorrect Answers
A:
Monitor firmware resets and missing boot entries. That 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 degraded raid after a failed member instead.
B:
Monitor incompatible label rolls and printhead wear. 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 degraded raid after a failed member instead.
D:
Monitor BIOS lane-sharing changes and unsupported replacement drive orders. That action is appropriate for nvme ssd not detected after installation, normally when a new NVMe SSD is absent from firmware and the storage installer. Here the observed facts require degraded raid after a failed member instead.
Question 930
On a service ticket for Northland Labs, the team observes: A PC emits a defined VGA fault beep sequence after a graphics card was installed. The desired outcome is to use manufacturer POST codes to narrow the failing hardware subsystem. The goal is to restore required function without creating a new security or safety problem. Which diagnostic check best distinguishes the relevant fault?
- Check the exact board beep code table, GPU seating and required GPU power
- Correlate reboot timing with power demand and inspect PSU rating and connector seating
- Inspect temperature telemetry, fan RPM, airflow blockage and heatsink contact
- Check cable damage, connector strain, monitor input selection and GPU outputs
Explanation
Correct Answer
A:
Check the exact board beep code table, GPU seating and required GPU power. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that a PC emits a defined VGA fault beep sequence after a graphics card was installed. The support goal is to use manufacturer POST codes to narrow the failing hardware subsystem; this diagnose action specifically addresses post beep code interpretation and expansion-card isolation without confusing a different subsystem.
Incorrect Answers
B:
Correlate reboot timing with power demand and inspect PSU rating and connector seating. That action is appropriate for psu instability under peak component load, normally when a machine passes idle checks but reboots when the GPU and CPU draw peak power together. Here the observed facts require post beep code interpretation and expansion-card isolation instead.
C:
Inspect temperature telemetry, fan RPM, airflow blockage and heatsink contact. That action is appropriate for cpu overheat from failed fan, normally when a desktop shuts off only after several minutes of high CPU utilization. Here the observed facts require post beep code interpretation and expansion-card isolation instead.
D:
Check cable damage, connector strain, monitor input selection and GPU outputs. This action is appropriate for intermittent monitor image due to video cable, normally when a monitor intermittently goes black when its display cable is moved. Here the observed facts require post beep code interpretation and expansion-card isolation instead.
