CompTIA 220-1201 Practice Test 18
Question 170
At Juniper Tech, a technician working in cloud and desktop infrastructure review identifies this issue: 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. What observation would verify successful service restoration?
- Verify the application runs in its container while kernel version comes from the host
- Confirm the VM can be isolated and removed without reinstalling the laptop host
- Verify guest machines start without depending on an interactive desktop host OS
- Verify the 64-bit guest starts normally without host instability
Explanation
Correct Answer
B:
Confirm the VM can be isolated and removed without reinstalling the laptop host. It proves the required function with an observable result instead of assuming the change worked. 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 validate action specifically addresses hosted type 2 virtualization for testing without confusing a different subsystem.
Incorrect Answers
A:
Verify the application runs in its container while kernel version comes from the host. 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:
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 hosted type 2 virtualization for testing instead.
D:
Verify the 64-bit guest starts normally without host instability. 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 hosted type 2 virtualization for testing instead.
Question 171
During Vertex Media's laptop and mobile device repair, the technician encounters this condition: A user assumes every laptop USB-C port can send video to a USB-C monitor. The supporting record states that the port supports USB data and charging but not DisplayPort Alternate Mode. The desired outcome is to differentiate connector shape from electrical and protocol capabilities. The customer requires a verified fix rather than a guess based on one symptom. Which planned change most directly resolves the documented issue?
- Disconnect the former host if required and put the headset into manufacturer pairing mode
- Select a compatible dock and power adapter with adequate charging wattage and video transport
- Choose a supported video-capable port or active adapter instead of relying on connector shape
- Configure both clients to use the approved corporate calendar and contacts service
Explanation
Correct Answer
C:
Choose a supported video-capable port or active adapter instead of relying on connector shape. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that the port supports USB data and charging but not DisplayPort Alternate Mode. The support goal is to differentiate connector shape from electrical and protocol capabilities; this design action specifically addresses usb-c connector versus supported protocol without confusing a different subsystem.
Incorrect Answers
A:
Disconnect the former host if required and put the headset into manufacturer pairing mode. This action is appropriate for bluetooth headset pairing, normally when a wireless headset pairs with a tablet but does not appear on a new laptop's device discovery list. Here the observed facts require usb-c connector versus supported protocol instead.
B:
Select a compatible dock and power adapter with adequate charging wattage and video transport. 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 usb-c connector versus supported protocol instead.
D:
Configure both clients to use the approved corporate calendar and contacts service. 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 usb-c connector versus supported protocol instead.
Question 172
During Aster Systems's workplace mobile support, the technician encounters this condition: A customer asks how to block a built-in webcam without uninstalling conferencing software. The desired outcome is to distinguish physical camera privacy control from software meeting settings. The goal is to restore required function without creating a new security or safety problem. Which verification result supports the intended technical outcome?
- Compare Wi-Fi received signal strength and roaming stability before and after reconnection
- Verify BIOS reports the expected memory and extended diagnostics pass without errors
- Verify the appointment and a test contact appear consistently on both devices
- Confirm the camera shows no image behind the closed shutter while audio remains unaffected
Explanation
Correct Answer
D:
Confirm the camera shows no image behind the closed shutter while audio remains unaffected. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that a customer asks how to block a built-in webcam without uninstalling conferencing software. The support goal is to distinguish physical camera privacy control from software meeting settings; this validate action specifically addresses physical webcam privacy hardware without confusing a different subsystem.
Incorrect Answers
A:
Compare Wi-Fi received signal strength and roaming stability before and after reconnection. 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.
B:
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 physical webcam privacy hardware 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 physical webcam privacy hardware instead.
Question 173
A support request at Keystone Health presents this problem: A desktop powers on but gives a repeating memory-related beep pattern and no display. The supporting record states that the fault appeared after RAM was moved between slots during a service visit. The desired outcome is to diagnose a probable memory seating or module fault before swapping unrelated parts. Only approved service procedures and compatible replacement components may be used. Which planned change most directly resolves the documented issue?
- Replace the failed cooling fan and correct airflow or thermal interface as indicated
- Reseat RAM with power disconnected and isolate modules using supported test slots
- Replace an undersized PSU with a compatible adequately rated unit
- Restore valid AC input or replace the confirmed faulty PSU only after external checks
Explanation
Correct Answer
B:
Reseat RAM with power disconnected and isolate modules using supported test slots. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that the fault appeared after RAM was moved between slots during a service visit. The support goal is to diagnose a probable memory seating or module fault before swapping unrelated parts; this design action specifically addresses desktop memory fault preventing post without confusing a different subsystem.
Incorrect Answers
A:
Replace the failed cooling fan and correct airflow or thermal interface as indicated. 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 desktop memory fault preventing post instead.
C:
Replace an undersized PSU with a compatible adequately rated unit. This 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 desktop memory fault preventing post instead.
D:
Restore valid AC input or replace the confirmed faulty PSU only after external checks. That action is appropriate for completely dead desktop power path, normally when a tower PC has no LEDs, fans, or POST activity after the user changed power outlets. Here the observed facts require desktop memory fault preventing post instead.
Question 174
At Lakeside Analytics, a technician working in hardware and network incident triage identifies this issue: A SATA HDD disappears occasionally despite healthy spin-up and no clear media errors. The supporting record states that drive connection logs show interface CRC errors after the PC was transported. The desired outcome is to distinguish data cabling problems from disk surface failure. The customer requires a verified fix rather than a guess based on one symptom. What should the technician verify first to establish the problem?
- Identify the failed member, array level, replacement size and current backup state
- Check SMART attributes, backup currency and read error logs
- Check cable damage, connector strain, monitor input selection and GPU outputs
- Inspect SATA data connector seating, cable integrity and interface error counters
Explanation
Correct Answer
D:
Inspect SATA data connector seating, cable integrity and interface error counters. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that drive connection logs show interface CRC errors after the PC was transported. The support goal is to distinguish data cabling problems from disk surface failure; this diagnose action specifically addresses intermittent sata cable data fault without confusing a different subsystem.
Incorrect Answers
A:
Identify the failed member, array level, replacement size and current backup state. This 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.
B:
Check SMART attributes, backup currency and read error logs. 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 intermittent sata cable data fault instead.
C:
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 intermittent sata cable data fault instead.
Question 175
On a service ticket for Orchard Services, the team observes: A technician must classify a Bluetooth watch connection, office Ethernet and multi-site leased link. The supporting record states that the links cover personal-device distance, building network and geographically separated offices respectively. The desired outcome is to identify network categories from distance and administrative scope. User data and business service continuity must be preserved. What observation would verify successful service restoration?
- Confirm the same address returns on renewal and is not leased to another client
- Verify permitted inter-subnet traffic succeeds and disallowed networks remain isolated
- Confirm each segment is classified by scope rather than the brand of equipment
- Verify upload and download meet agreed service performance targets
Explanation
Correct Answer
C:
Confirm each segment is classified by scope rather than the brand of equipment. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that the links cover personal-device distance, building network and geographically separated offices respectively. The support goal is to identify network categories from distance and administrative scope; this validate action specifically addresses pan versus lan versus wan scope without confusing a different subsystem.
Incorrect Answers
A:
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 pan versus lan versus wan scope instead.
B:
Verify permitted inter-subnet traffic succeeds and disallowed networks remain isolated. 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 pan versus lan versus wan scope instead.
D:
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 pan versus lan versus wan scope instead.
Question 176
A support request at Summit Media presents this problem: A business laptop has a lifted trackpad and a visibly swollen internal lithium-ion battery. The supporting record states that the case is deformed and the manufacturer specifies a model-specific service battery. The desired outcome is to remove the battery hazard safely without puncturing the cells. Only approved service procedures and compatible replacement components may be used. Which planned change most directly resolves the documented issue?
- Specify a supported DDR4 SODIMM of the correct capacity instead of desktop or different-generation modules
- Back up and verify recoverability before replacing with a compatible SSD and re-enabling supported encryption
- Reconnect the correct antenna lead and route cables away from hinge pinch points
- Stop charging and arrange an approved model-matched battery replacement with proper hazardous battery disposal
Explanation
Correct Answer
D:
Stop charging and arrange an approved model-matched battery replacement with proper hazardous battery disposal. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that the case is deformed and the manufacturer specifies a model-specific service battery. The support goal is to remove the battery hazard safely without puncturing the cells; this design action specifically addresses swollen laptop battery replacement without confusing a different subsystem.
Incorrect Answers
A:
Specify a supported DDR4 SODIMM of the correct capacity instead of desktop or different-generation modules. 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 swollen laptop battery replacement instead.
B:
Back up and verify recoverability before replacing with a compatible SSD and re-enabling supported encryption. This 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 swollen laptop battery replacement instead.
C:
Reconnect the correct antenna lead and route cables away from hinge pinch points. 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 swollen laptop battery replacement instead.
Question 177
On a service ticket for Harborworks, the team observes: A 24-port switch can power each phone alone but fails when most ports power cameras simultaneously. The desired outcome is to select power-delivery capacity based on per-port and overall PoE requirements. The goal is to restore required function without creating a new security or safety problem. Which diagnostic check best distinguishes the relevant fault?
- Inspect channel utilization, RSSI and channel overlap in the affected room
- Confirm provider handoff, optical or coaxial medium and customer Ethernet demarcation
- Sum device PoE classes and actual draw against port limits and switch total budget
- Check subnet masks, default gateways and configured inter-subnet routes
Explanation
Correct Answer
C:
Sum device PoE classes and actual draw against port limits and switch total budget. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that a 24-port switch can power each phone alone but fails when most ports power cameras simultaneously. The support goal is to select power-delivery capacity based on per-port and overall PoE requirements; this diagnose action specifically addresses poe switch power budget without confusing a different subsystem.
Incorrect Answers
A:
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 poe switch power budget instead.
B:
Confirm provider handoff, optical or coaxial medium and customer Ethernet demarcation. This action is appropriate for ont versus cable modem access equipment, normally when a customer receives a fiber-to-the-premises service but attempts to connect the optical fiber directly to a DOCSIS cable modem. Here the observed facts require poe switch power budget 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 poe switch power budget instead.
Question 178
A support request at Seabright Supplies presents this problem: 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 acceptance result best demonstrates the issue is resolved?
- Verify stable boot and normal shutdown with the safe power connection
- Verify POST and extended memory tests pass with all intended modules installed
- Verify the phone registers and the PC receives the employee scope while guests remain isolated
- Verify POST and video return without the suspect expansion card
Explanation
Correct Answer
A:
Verify stable boot and normal shutdown with the safe power connection. It proves the required function with an observable result instead of assuming the change worked. 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 validate action specifically addresses completely dead desktop power path without confusing a different subsystem.
Incorrect Answers
B:
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 completely dead desktop power path instead.
C:
Verify the phone registers and the PC receives the employee scope while guests remain isolated. 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.
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 completely dead desktop power path instead.
Question 179
On a service ticket for Bluefin Logistics, the team observes: A mirrored NAS reports one disk failed while files remain available. The supporting record states that the array state is degraded and the replacement disk must match controller support and capacity. The desired outcome is to restore RAID redundancy without wiping the surviving volume. Only approved service procedures and compatible replacement components may be used. Which inspection most directly confirms the likely cause before changing components?
- Identify the failed member, array level, replacement size and current backup state
- Inspect UEFI boot entries, disk detection and approved operating system bootloader
- Check M.2 socket specifications, BIOS PCIe settings, lane sharing and drive keying
- Inspect feed roller grip, separation pad, paper weight and tray condition
Explanation
Correct Answer
A:
Identify the failed member, array level, replacement size and current backup state. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that the array state is degraded and the replacement disk must match controller support and capacity. The support goal is to restore RAID redundancy without wiping the surviving volume; this diagnose action specifically addresses degraded raid after a failed member without confusing a different subsystem.
Incorrect Answers
B:
Inspect UEFI boot entries, disk detection and approved operating system bootloader. 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 degraded raid after a failed member instead.
C:
Check M.2 socket specifications, BIOS PCIe settings, lane sharing and drive keying. This 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.
D:
Inspect feed roller grip, separation pad, paper weight and tray condition. This 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 degraded raid after a failed member instead.
Question 180
During Fountain Transport's computer equipment refresh, the technician encounters this condition: A long graphics board physically fits but the system resets because its auxiliary power is missing. The desired outcome is to check slot, PSU and physical-clearance dependencies for an expansion card. The goal is to restore required function without creating a new security or safety problem. Which verification result supports the intended technical outcome?
- Verify signed media boot and unsigned test boot is rejected by policy
- Verify the machine remains stable under expected combined CPU and GPU draw
- Verify stable output and no PSU overload when rendering
- Verify sustained workload temperatures stay within processor limits and throttling ceases
Explanation
Correct Answer
C:
Verify stable output and no PSU overload when rendering. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that a long graphics board physically fits but the system resets because its auxiliary power is missing. The support goal is to check slot, PSU and physical-clearance dependencies for an expansion card; this validate action specifically addresses pcie slot and gpu power constraints without confusing a different subsystem.
Incorrect Answers
A:
Verify signed media boot and unsigned test boot is rejected by policy. This 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.
B:
Verify the machine remains stable under expected combined CPU and GPU draw. This action is appropriate for psu wattage and 20+4 atx connector, normally when a desktop upgrade adds a high-power GPU and the PC abruptly powers off during intensive graphics workloads. Here the observed facts require pcie slot and gpu power constraints instead.
D:
Verify sustained workload temperatures stay within processor limits and throttling ceases. This 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.
