CompTIA 220-1201 Practice Test 27
Question 260
During Bluefin Logistics's workplace mobile support, the technician encounters this condition: An older laptop has an empty DDR4 memory socket but procurement ordered desktop DIMMs. The desired outcome is to select physically and electrically compatible mobile memory. The technician must document observations separately from assumptions. What should the technician recommend as the corrective approach?
- Choose an active stylus certified for the device's digitizer protocol
- Back up and verify recoverability before replacing with a compatible SSD and re-enabling supported encryption
- Specify a supported DDR4 SODIMM of the correct capacity instead of desktop or different-generation modules
- Reconnect the correct antenna lead and route cables away from hinge pinch points
Explanation
Correct Answer
C:
Specify a supported DDR4 SODIMM of the correct capacity instead of desktop or different-generation modules. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that an older laptop has an empty DDR4 memory socket but procurement ordered desktop DIMMs. The support goal is to select physically and electrically compatible mobile memory; this design action specifically addresses laptop sodimm compatibility without confusing a different subsystem.
Incorrect Answers
A:
Choose an active stylus certified for the device's digitizer protocol. This action is appropriate for active stylus digitizer compatibility, normally when a designer needs pen pressure and palm rejection on a convertible laptop. Here the observed facts require laptop sodimm compatibility instead.
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 laptop sodimm compatibility instead.
D:
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 laptop sodimm compatibility instead.
Question 261
During Keystone Health's laptop and mobile device repair, the technician encounters this condition: A dispatch app cannot show a user's current position on an otherwise connected smartphone. The supporting record states that location services are disabled for that specific app though GPS hardware is available. The desired outcome is to restore necessary location access without granting unrelated apps broad tracking. The goal is to restore required function without creating a new security or safety problem. What observation would verify successful service restoration?
- Verify the app receives usable location when authorized and loses access when revoked
- Verify mobile data works with Wi-Fi off and voice features meet plan support
- Verify both displays run at specified resolutions and the battery gains charge under expected load
- Confirm controlled copy or save actions are restricted while private personal content remains unaffected
Explanation
Correct Answer
A:
Verify the app receives usable location when authorized and loses access when revoked. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that location services are disabled for that specific app though GPS hardware is available. The support goal is to restore necessary location access without granting unrelated apps broad tracking; this validate action specifically addresses location permission for navigation without confusing a different subsystem.
Incorrect Answers
B:
Verify mobile data works with Wi-Fi off and voice features meet plan support. That action is appropriate for mobile esim carrier activation, normally when a company phone has cellular signal bars but cannot attach to its assigned business data plan. Here the observed facts require location permission for navigation instead.
C:
Verify both displays run at specified resolutions and the battery gains charge under expected load. This action is appropriate for docking station display and power capability, normally when a small-business employee connects two monitors and power to a laptop through a new USB-C dock. Here the observed facts require location permission for navigation instead.
D:
Confirm controlled copy or save actions are restricted while private personal content remains unaffected. 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 location permission for navigation instead.
Question 262
On a service ticket for Keystone Health, the team observes: A dispatch app cannot show a user's current position on an otherwise connected smartphone. The supporting record states that location services are disabled for that specific app though GPS hardware is available. The desired outcome is to restore necessary location access without granting unrelated apps broad tracking. 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 carrier provisioning failures and profiles unexpectedly disabled
- Review work-app policy compliance and data-leak exceptions, not personal browsing history
- Monitor dock firmware updates, disconnected displays and charging warnings
- Audit excess background location permissions and new app privacy prompts
Explanation
Correct Answer
D:
Audit excess background location permissions and new app privacy prompts. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that location services are disabled for that specific app though GPS hardware is available. The support goal is to restore necessary location access without granting unrelated apps broad tracking; this monitor action specifically addresses location permission for navigation without confusing a different subsystem.
Incorrect Answers
A:
Monitor carrier provisioning failures and profiles unexpectedly disabled. This action is appropriate for mobile esim carrier activation, normally when a company phone has cellular signal bars but cannot attach to its assigned business data plan. Here the observed facts require location permission for navigation instead.
B:
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 location permission for navigation instead.
C:
Monitor dock firmware updates, disconnected displays and charging warnings. 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 location permission for navigation instead.
Question 263
On a service ticket for Clearwater Telecom, the team observes: An office server needs to stay online when one power supply module fails. The supporting record states that its chassis accepts two redundant hot-swap PSU modules on independent power feeds. The desired outcome is to choose a supported redundant power configuration and test failover safely. Only approved service procedures and compatible replacement components may be used. Which inspection most directly confirms the likely cause before changing components?
- Inspect platform memory specifications, module notch positions and current timing
- Check manufacturer-approved cable compatibility for both exact PSU models
- Inspect redundancy support, PSU state, power feeds and total load per remaining unit
- Calculate component power demand with headroom and inspect ATX plus GPU auxiliary connectors
Explanation
Correct Answer
C:
Inspect redundancy support, PSU state, power feeds and total load per remaining unit. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that its chassis accepts two redundant hot-swap PSU modules on independent power feeds. The support goal is to choose a supported redundant power configuration and test failover safely; this diagnose action specifically addresses redundant psu failover without confusing a different subsystem.
Incorrect Answers
A:
Inspect platform memory specifications, module notch positions and current timing. This action is appropriate for ddr generation electrical compatibility, normally when a replacement RAM order has the correct capacity but the wrong DDR generation. Here the observed facts require redundant psu failover instead.
B:
Check manufacturer-approved cable compatibility for both exact PSU models. 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 redundant psu failover instead.
D:
Calculate component power demand with headroom and inspect ATX plus GPU auxiliary connectors. 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 redundant psu failover instead.
Question 264
During Maplebank Ltd's small-office network service desk, the technician encounters this condition: A SOHO laptop automatically assigns itself 169.254.42.19 with a 255.255.0.0 mask. The supporting record states that the network uses DHCP but the laptop has not received a valid lease from the local server. The desired outcome is to recognize IPv4 link-local APIPA as a DHCP reachability symptom. Service work must follow power isolation, ESD, and manufacturer instructions when applicable. Which safe pilot action gives the most relevant evidence?
- Renew the IP configuration on a test client after reconnecting to a working DHCP scope
- Pilot association and isolation with approved modern and legacy test clients
- Test local peer connectivity and a routed test destination after correcting the gateway
- Query a known internal name on a test client with corrected DNS settings
Explanation
Correct Answer
A:
Renew the IP configuration on a test client after reconnecting to a working DHCP scope. It tests the proposed solution safely on an approved representative system. The relevant observation is that the network uses DHCP but the laptop has not received a valid lease from the local server. The support goal is to recognize IPv4 link-local APIPA as a DHCP reachability symptom; this pilot action specifically addresses apipa 169.254.x.x missing dhcp lease without confusing a different subsystem.
Incorrect Answers
B:
Pilot association and isolation with approved modern and legacy test clients. 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.
C:
Test local peer connectivity and a routed test destination after correcting the gateway. 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.
D:
Query a known internal name on a test client with corrected DNS settings. This action is appropriate for dns resolution versus dhcp address assignment, normally when a workstation has a valid IPv4 address, gateway and lease but cannot reach services by hostname. Here the observed facts require apipa 169.254.x.x missing dhcp lease instead.
Question 265
A support request at Crescent Operations presents this problem: A computer reports no bootable operating system after a new secondary drive was added. The supporting record states that the original OS disk remains detected but firmware boot order points at the empty secondary disk. The desired outcome is to restore the intended boot entry without formatting healthy storage. 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?
- Select the existing OS boot manager temporarily on a test PC
- Rehearse a RAID 1 rebuild with a disposable lab array and a spare disk
- Test the SSD in an approved NVMe-capable lab M.2 socket
- Boot from a known-good test cable while leaving drive content unchanged
Explanation
Correct Answer
A:
Select the existing OS boot manager temporarily on a test PC. It tests the proposed solution safely on an approved representative system. The relevant observation is that the original OS disk remains detected but firmware boot order points at the empty secondary disk. The support goal is to restore the intended boot entry without formatting healthy storage; this pilot action specifically addresses uefi boot order after a second drive without confusing a different subsystem.
Incorrect Answers
B:
Rehearse a RAID 1 rebuild with a disposable lab array and a spare disk. 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 uefi boot order after a second drive instead.
C:
Test the SSD in an approved NVMe-capable lab M.2 socket. 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 uefi boot order after a second drive instead.
D:
Boot from a known-good test cable while leaving drive content unchanged. This 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 uefi boot order after a second drive instead.
Question 266
At Stonebridge Research, a technician working in desktop hardware service bench identifies this issue: A network printer puts letter-size forms on the wrong paper and uses one-sided output. The supporting record states that the client needs duplex printing from a specific tray and has a compatible vendor driver. The desired outcome is to correct printer job configuration rather than replacing hardware. The technician must document observations separately from assumptions. Which diagnostic check best distinguishes the relevant fault?
- Inspect nozzle test results, cartridge levels and printhead cleaning history
- Check toner level, cartridge seating, toner-save mode and page examples
- Check printer identity settings, secure queue capability and retained output policies
- Inspect application print preferences, default tray, media size and duplex capability
Explanation
Correct Answer
D:
Inspect application print preferences, default tray, media size and duplex capability. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that the client needs duplex printing from a specific tray and has a compatible vendor driver. The support goal is to correct printer job configuration rather than replacing hardware; this diagnose action specifically addresses printer duplex and tray settings without confusing a different subsystem.
Incorrect Answers
A:
Inspect nozzle test results, cartridge levels and printhead cleaning history. 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 printer duplex and tray settings instead.
B:
Check toner level, cartridge seating, toner-save mode and page examples. That action is appropriate for laser printer faded output and toner, normally when a monochrome laser printer produces uniformly faint pages after many high-volume print jobs. Here the observed facts require printer duplex and tray settings instead.
C:
Check printer identity settings, secure queue capability and retained output policies. That action is appropriate for secure pull-print and release authentication, normally when confidential reports regularly sit unclaimed in a shared hallway printer's output tray. Here the observed facts require printer duplex and tray settings instead.
Question 267
A support request at Maplebank Ltd presents this problem: A tablet repeatedly loses a wireless barcode scanner despite normal Wi-Fi service. The supporting record states that the scanner battery is weak and it often reconnects to a nearby previously paired device. The desired outcome is to differentiate Bluetooth accessory power and pairing from WLAN connection quality. User data and business service continuity must be preserved. Which inspection most directly confirms the likely cause before changing components?
- Check cellular toggle, SIM or eSIM provisioning, airplane mode and signal state
- Inspect the port for lint, bent pins, moisture indicator and cable seating with power disconnected
- Inspect UEFI boot entries, disk detection and approved operating system bootloader
- Inspect accessory battery, Bluetooth pairing list, firmware and competing host connections
Explanation
Correct Answer
D:
Inspect accessory battery, Bluetooth pairing list, firmware and competing host connections. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that the scanner battery is weak and it often reconnects to a nearby previously paired device. The support goal is to differentiate Bluetooth accessory power and pairing from WLAN connection quality; this diagnose action specifically addresses bluetooth accessory reconnect failure without confusing a different subsystem.
Incorrect Answers
A:
Check cellular toggle, SIM or eSIM provisioning, airplane mode and signal state. This action is appropriate for mobile data failure due to disabled cellular, normally when a smartphone can browse over Wi-Fi but cannot connect to the internet when leaving the office. Here the observed facts require bluetooth accessory reconnect failure instead.
B:
Inspect the port for lint, bent pins, moisture indicator and cable seating with power disconnected. This 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 bluetooth accessory reconnect failure instead.
C:
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 bluetooth accessory reconnect failure instead.
Question 268
On a service ticket for Lakeside Analytics, the team observes: A mobile handheld scanner disappears from Bluetooth when a coworker's phone enters the room. The desired outcome is to differentiate Bluetooth accessory power and pairing from WLAN connection quality. The technician must document observations separately from assumptions. Which controlled service test best evaluates the planned approach?
- Turn off Wi-Fi on a spare authorized test device and attempt a harmless network request
- Compare a known-good cable before and after a controlled authorized port inspection
- Test the scanner against one spare tablet with prior host disconnected
- Restore a test file set to a replacement disk in an isolated recovery workflow
Explanation
Correct Answer
C:
Test the scanner against one spare tablet with prior host disconnected. It tests the proposed solution safely on an approved representative system. The relevant observation is that a mobile handheld scanner disappears from Bluetooth when a coworker's phone enters the room. The support goal is to differentiate Bluetooth accessory power and pairing from WLAN connection quality; this pilot action specifically addresses bluetooth accessory reconnect failure without confusing a different subsystem.
Incorrect Answers
A:
Turn off Wi-Fi on a spare authorized test device and attempt a harmless network request. This action is appropriate for mobile data failure due to disabled cellular, normally when a smartphone can browse over Wi-Fi but cannot connect to the internet when leaving the office. Here the observed facts require bluetooth accessory reconnect failure instead.
B:
Compare a known-good cable before and after a controlled authorized port inspection. This 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 bluetooth accessory reconnect failure instead.
D:
Restore a test file set to a replacement disk in an isolated recovery workflow. 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 bluetooth accessory reconnect failure instead.
Question 269
At Northland Labs, a technician working in end-user troubleshooting identifies this issue: 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. How should the solution first be tested on an approved spare or pilot system?
- Boot a test configuration with supported onboard video after safely removing the add-in GPU
- Swap only the display cable on a known-good test monitor
- Run a short controlled load test after servicing cooling on a lab desktop
- Repeat a controlled combined load on a test system with a known-good supply
Explanation
Correct Answer
A:
Boot a test configuration with supported onboard video after safely removing the add-in GPU. It tests the proposed solution safely on an approved representative system. 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 pilot action specifically addresses post beep code interpretation and expansion-card isolation without confusing a different subsystem.
Incorrect Answers
B:
Swap only the display cable on a known-good test monitor. 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.
C:
Run a short controlled load test after servicing cooling on a lab desktop. This 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:
Repeat a controlled combined load on a test system with a known-good supply. 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 post beep code interpretation and expansion-card isolation instead.
Question 270
A support request at Orchard Services presents this problem: A new virtual machine cannot start a 64-bit guest even though the host processor supports virtualization. The supporting record states that firmware currently disables the processor's VT-x or AMD-V virtualization feature. The desired outcome is to identify firmware virtualization prerequisites for a supported VM platform. A safe non-destructive test must be used before replacing additional parts. Which controlled service test best evaluates the planned approach?
- Open a test virtual desktop session from a thin client over a controlled network
- Boot a disposable guest after enabling the feature on a lab system
- Start a harmless container on a lab host and inspect the shared kernel version
- Create a disposable VM and verify host and guest can run concurrently
Explanation
Correct Answer
B:
Boot a disposable guest after enabling the feature on a lab system. It tests the proposed solution safely on an approved representative system. The relevant observation is that firmware currently disables the processor's VT-x or AMD-V virtualization feature. The support goal is to identify firmware virtualization prerequisites for a supported VM platform; this pilot action specifically addresses virtualization cpu extensions without confusing a different subsystem.
Incorrect Answers
A:
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 virtualization cpu extensions instead.
C:
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 virtualization cpu extensions instead.
D:
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 virtualization cpu extensions instead.
