CompTIA 220-1201 Practice Test 51
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.
Question 501
A support request at Westbrook Energy presents this problem: 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 should be tracked after the fix to maintain service reliability?
- Monitor carrier provisioning failures and profiles unexpectedly disabled
- Monitor sync errors, account duplication and mobile data restrictions
- Audit excess background location permissions and new app privacy prompts
- Review work-app policy compliance and data-leak exceptions, not personal browsing history
Explanation
Correct Answer
A:
Monitor carrier provisioning failures and profiles unexpectedly disabled. It tracks recurrence of the specific failure mechanism over time. 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 monitor action specifically addresses mobile esim carrier activation without confusing a different subsystem.
Incorrect Answers
B:
Monitor sync errors, account duplication and mobile data restrictions. 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.
C:
Audit excess background location permissions and new app privacy prompts. 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.
D:
Review work-app policy compliance and data-leak exceptions, not personal browsing history. 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 502
At Falcon Transit, a technician working in desktop hardware service bench identifies this issue: A convertible LCD image is visible but finger touches no longer register at a specific region. The supporting record states that an external mouse works and display illumination remains stable. The desired outcome is to distinguish touch digitizer trouble from display brightness or backlight faults. The customer requires a verified fix rather than a guess based on one symptom. Which post-repair signal best detects regression or repeat exposure?
- Monitor touch dead zones and accidental touch events after repairs
- Monitor driver updates that reset mode selection
- Monitor new drive purchases for overlooked slot protocol differences
- Monitor new panel substitutions and reported off-axis color changes
Explanation
Correct Answer
A:
Monitor touch dead zones and accidental touch events after repairs. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that an external mouse works and display illumination remains stable. The support goal is to distinguish touch digitizer trouble from display brightness or backlight faults; this monitor action specifically addresses digitizer input versus backlight inverter without confusing a different subsystem.
Incorrect Answers
B:
Monitor driver updates that reset mode selection. That action is appropriate for refresh rate versus screen resolution, normally when a support buyer mistakes 144 Hz for a count of display pixels when comparing two monitors. Here the observed facts require digitizer input versus backlight inverter instead.
C:
Monitor new drive purchases for overlooked slot protocol differences. This 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 digitizer input versus backlight inverter instead.
D:
Monitor new panel substitutions and reported off-axis color changes. That action is appropriate for ips versus tn versus oled displays, normally when a graphic designer prioritizes consistent viewing angles and color accuracy over lowest display price. Here the observed facts require digitizer input versus backlight inverter instead.
Question 503
During Lakeside Analytics's computer equipment refresh, the technician encounters this condition: A shared office laser device prints pale text even though paper feeds cleanly. The desired outcome is to identify toner depletion separately from inkjet printhead faults. The goal is to restore required function without creating a new security or safety problem. What observation would verify successful service restoration?
- Verify visible color variation meets the user's acceptance range with both displays calibrated
- Verify full color nozzle pattern without excessive ink consumption
- Verify toner density improves consistently across the page
- Verify both pages print correctly on the requested paper with intended orientation
Explanation
Correct Answer
C:
Verify toner density improves consistently across the page. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that a shared office laser device prints pale text even though paper feeds cleanly. The support goal is to identify toner depletion separately from inkjet printhead faults; this validate action specifically addresses laser printer faded output and toner without confusing a different subsystem.
Incorrect Answers
A:
Verify visible color variation meets the user's acceptance range with both displays calibrated. This action is appropriate for ips versus tn versus oled displays, normally when a graphic designer prioritizes consistent viewing angles and color accuracy over lowest display price. Here the observed facts require laser printer faded output and toner instead.
B:
Verify full color nozzle pattern without excessive ink consumption. This action is appropriate for inkjet printhead clogging, normally when an inkjet printer leaves missing color bands although cartridges contain ink. Here the observed facts require laser printer faded output and toner instead.
D:
Verify both pages print correctly on the requested paper with intended orientation. 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 laser printer faded output and toner instead.
Question 504
A support request at Westbrook Energy presents this problem: A shop attempts to install an incompatible processor family because the advertised clock speed is similar. The desired outcome is to verify socket and chipset compatibility before installing a processor. Any configuration change must be reversible and validated on a controlled test device. Which controlled service test best evaluates the planned approach?
- Remount the cooler on a safe test board with correct fan connection
- Test touch coordinates with a supported calibration tool on a spare panel
- Test POST using a supported CPU after inspecting socket pins with power removed
- Test one authorized signed boot medium and one deliberately unsigned training medium
Explanation
Correct Answer
C:
Test POST using a supported CPU after inspecting socket pins with power removed. It tests the proposed solution safely on an approved representative system. The relevant observation is that a shop attempts to install an incompatible processor family because the advertised clock speed is similar. The support goal is to verify socket and chipset compatibility before installing a processor; this pilot action specifically addresses cpu socket matching motherboard without confusing a different subsystem.
Incorrect Answers
A:
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 cpu socket matching motherboard instead.
B:
Test touch coordinates with a supported calibration tool on a spare panel. 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 cpu socket matching motherboard 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 cpu socket matching motherboard instead.
Question 505
During Harborworks's desktop hardware service bench, the technician encounters this condition: A file server has two equal 2 TB disks and needs redundancy against one disk failure. The supporting record states that a proposed RAID 0 stripe provides speed but no copy of data on a second drive. The desired outcome is to choose RAID 1 when simple mirroring is the requirement. The customer requires a verified fix rather than a guess based on one symptom. Which configuration or repair action best addresses the stated requirement?
- Select a compatible SSD rather than a spinning HDD for the specified latency and shock profile
- Configure a four-disk RAID 10 set for balanced performance and redundancy
- Configure a supported two-disk RAID 1 mirror giving approximately one disk of usable capacity
- Use RAID 6 when the stated requirement is two-drive fault tolerance
Explanation
Correct Answer
C:
Configure a supported two-disk RAID 1 mirror giving approximately one disk of usable capacity. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that a proposed RAID 0 stripe provides speed but no copy of data on a second drive. The support goal is to choose RAID 1 when simple mirroring is the requirement; this design action specifically addresses raid 1 mirror capacity and resilience without confusing a different subsystem.
Incorrect Answers
A:
Select a compatible SSD rather than a spinning HDD for the specified latency and shock profile. 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 raid 1 mirror capacity and resilience instead.
B:
Configure a four-disk RAID 10 set for balanced performance and redundancy. This action is appropriate for raid 10 mirrored striped array, normally when a database server needs fast disk I/O and redundancy with four equal drives. Here the observed facts require raid 1 mirror capacity and resilience instead.
D:
Use RAID 6 when the stated requirement is two-drive fault tolerance. This action is appropriate for raid 5 versus raid 6 dual parity, normally when a four-disk production array must remain available during any two simultaneous drive failures. Here the observed facts require raid 1 mirror capacity and resilience instead.
Question 506
On a service ticket for Riverlight Retail, the team observes: A support organization needs standardized desktops delivered to call center terminals without local workstation images. The desired outcome is to choose Virtual Desktop Infrastructure rather than local OS installations. The technician must document observations separately from assumptions. Which controlled service test best evaluates the planned approach?
- Install a test bare-metal hypervisor on approved compatible lab server hardware
- Start a harmless container on a lab host and inspect the shared kernel version
- 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
Explanation
Correct Answer
D:
Open a test virtual desktop session from a thin client over a controlled network. It tests the proposed solution safely on an approved representative system. The relevant observation is that a support organization needs standardized desktops delivered to call center terminals without local workstation images. The support goal is to choose Virtual Desktop Infrastructure rather than local OS installations; this pilot action specifically addresses vdi versus local desktop processing without confusing a different subsystem.
Incorrect Answers
A:
Install a test bare-metal hypervisor on approved compatible lab server hardware. 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 vdi versus local desktop processing 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 vdi versus local desktop processing instead.
C:
Boot a disposable guest after enabling the feature on a lab system. 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 vdi versus local desktop processing instead.
Question 507
At Lakeside Analytics, a technician working in branch networking support identifies this issue: A desktop shows a 169.254.x.x address and can see a nearby printer but cannot reach the router. The desired outcome is to recognize IPv4 link-local APIPA as a DHCP reachability symptom. The customer requires a verified fix rather than a guess based on one symptom. What should be tracked after the fix to maintain service reliability?
- Monitor new links for incorrect network diagrams and address planning
- Monitor recurring APIPA events after router restarts
- Watch newly added APs for weak encryption fallback
- Monitor incorrect static gateways and rogue DHCP options
Explanation
Correct Answer
B:
Monitor recurring APIPA events after router restarts. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that a desktop shows a 169.254.x.x address and can see a nearby printer but cannot reach the router. The support goal is to recognize IPv4 link-local APIPA as a DHCP reachability symptom; this monitor action specifically addresses apipa 169.254.x.x missing dhcp lease without confusing a different subsystem.
Incorrect Answers
A:
Monitor new links for incorrect network diagrams and address planning. This action is appropriate for pan versus lan versus wan scope, normally when a technician must classify a Bluetooth watch connection, office Ethernet and multi-site leased link. Here the observed facts require apipa 169.254.x.x missing dhcp lease instead.
C:
Watch newly added APs for weak encryption fallback. This 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.
D:
Monitor incorrect static gateways and rogue DHCP options. 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 apipa 169.254.x.x missing dhcp lease instead.
Question 508
At Stonebridge Research, a technician working in workplace mobile support identifies this issue: A replacement smartphone needs its enterprise eSIM transferred before mobile connectivity is available. The desired outcome is to provision the correct cellular subscriber identity before troubleshooting Wi-Fi. The technician must document observations separately from assumptions. Which diagnostic check best distinguishes the relevant fault?
- Inspect eSIM profiles, carrier activation state, service plan and cellular data toggle
- Compare signed-in identity, calendar data source, sync permissions and last successful sync
- Inspect supported app management features, existing policy assignment and ownership model
- Confirm swelling, disconnect external power, and check the manufacturer's battery handling instructions
Explanation
Correct Answer
A:
Inspect eSIM profiles, carrier activation state, service plan and cellular data toggle. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that a replacement smartphone needs its enterprise eSIM transferred before mobile connectivity is available. The support goal is to provision the correct cellular subscriber identity before troubleshooting Wi-Fi; this diagnose action specifically addresses mobile esim carrier activation without confusing a different subsystem.
Incorrect Answers
B:
Compare signed-in identity, calendar data source, sync permissions and last successful sync. That 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.
C:
Inspect supported app management features, existing policy assignment and ownership model. That 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.
D:
Confirm swelling, disconnect external power, and check the manufacturer's battery handling instructions. 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 mobile esim carrier activation instead.
Question 509
At Amberline Finance, a technician working in branch networking support identifies this issue: An office run has continuity but pairs are crossed and technicians keep using a tone generator as proof of correctness. The desired outcome is to select the diagnostic tool for wiring correctness versus cable tracing. Any configuration change must be reversible and validated on a controlled test device. Which acceptance result best demonstrates the issue is resolved?
- Verify correct pin continuity and pair mapping after re-termination
- Verify improved wireless contention and connection reliability without assuming the wired tap measured radio noise
- Confirm each segment is classified by scope rather than the brand of equipment
- Confirm the same address returns on renewal and is not leased to another client
Explanation
Correct Answer
A:
Verify correct pin continuity and pair mapping after re-termination. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that an office run has continuity but pairs are crossed and technicians keep using a tone generator as proof of correctness. The support goal is to select the diagnostic tool for wiring correctness versus cable tracing; this validate action specifically addresses cable tester versus toner and probe without confusing a different subsystem.
Incorrect Answers
B:
Verify improved wireless contention and connection reliability without assuming the wired tap measured radio noise. That 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 cable tester versus toner and probe instead.
C:
Confirm each segment is classified by scope rather than the brand of equipment. That action is appropriate for pan versus lan versus wan scope, normally when a technician must classify a Bluetooth watch connection, office Ethernet and multi-site leased link. Here the observed facts require cable tester versus toner and probe instead.
D:
Confirm the same address returns on renewal and is not leased to another client. This 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 cable tester versus toner and probe instead.
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.
