CompTIA 220-1201 Practice Test 30
Question 290
On a service ticket for Silverline Travel, the team observes: A builder swaps in a low-wattage supply that lacks the required eight-pin GPU feed. The desired outcome is to select an adequately rated power supply with correct board and GPU connectors. A safe non-destructive test must be used before replacing additional parts. Which configuration or repair action best addresses the stated requirement?
- Use the new PSU's specified cables rather than assuming modular connectors are interchangeable
- Select a compatible SSD rather than a spinning HDD for the specified latency and shock profile
- Install matched redundant modules and independent approved input feeds
- Use an appropriate rated PSU supporting the 20+4-pin motherboard and GPU power requirements
Explanation
Correct Answer
D:
Use an appropriate rated PSU supporting the 20+4-pin motherboard and GPU power requirements. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that a builder swaps in a low-wattage supply that lacks the required eight-pin GPU feed. The support goal is to select an adequately rated power supply with correct board and GPU connectors; this design action specifically addresses psu wattage and 20+4 atx connector without confusing a different subsystem.
Incorrect Answers
A:
Use the new PSU's specified cables rather than assuming modular connectors are interchangeable. That action is appropriate for modular psu cable safety, normally when a builder replaces a modular PSU but wants to reuse its old detachable power leads. Here the observed facts require psu wattage and 20+4 atx connector instead.
B:
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 psu wattage and 20+4 atx connector instead.
C:
Install matched redundant modules and independent approved input feeds. That action is appropriate for redundant psu failover, normally when an office server needs to stay online when one power supply module fails. Here the observed facts require psu wattage and 20+4 atx connector instead.
Question 291
At Bluefin Logistics, a technician working in desktop hardware service bench identifies this issue: A gaming PC has a motherboard with an AMD processor socket but an Intel CPU was ordered. The supporting record states that the processors require different sockets and platform firmware support. The desired outcome is to verify socket and chipset compatibility before installing a processor. The technician must document observations separately from assumptions. Which inspection most directly confirms the likely cause before changing components?
- Check motherboard socket, chipset BIOS support and CPU thermal rating
- Inspect GPU power connectors, PSU rating, PCIe slot availability and enclosure clearance
- Check heatsink contact, fan operation, thermal compound and measured CPU temperature
- Inspect UEFI Secure Boot state, key database and boot entries separately
Explanation
Correct Answer
A:
Check motherboard socket, chipset BIOS support and CPU thermal rating. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that the processors require different sockets and platform firmware support. The support goal is to verify socket and chipset compatibility before installing a processor; this diagnose action specifically addresses cpu socket matching motherboard without confusing a different subsystem.
Incorrect Answers
B:
Inspect GPU power connectors, PSU rating, PCIe slot availability and enclosure clearance. This action is appropriate for pcie slot and gpu power constraints, normally when a designer's PC has an available physical PCIe x16 slot but an upgraded graphics card fails under load. Here the observed facts require cpu socket matching motherboard instead.
C:
Check heatsink contact, fan operation, thermal compound and measured CPU temperature. 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 cpu socket matching motherboard instead.
D:
Inspect UEFI Secure Boot state, key database and boot entries separately. 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 cpu socket matching motherboard instead.
Question 292
During Stonebridge Research's hardware and network incident triage, the technician encounters this condition: A smartphone can browse over Wi-Fi but cannot connect to the internet when leaving the office. The supporting record states that the SIM is provisioned and cellular data was manually disabled in device settings. The desired outcome is to distinguish cellular configuration from a working Wi-Fi connection. Only approved service procedures and compatible replacement components may be used. Which verification result supports the intended technical outcome?
- Verify movement no longer causes signal loss at the intended resolution
- Verify stable charging without pressure or unusual heat
- Verify mobile data works within coverage while Wi-Fi remains optional
- Verify overnight consumption falls without breaking required work synchronization
Explanation
Correct Answer
C:
Verify mobile data works within coverage while Wi-Fi remains optional. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that the SIM is provisioned and cellular data was manually disabled in device settings. The support goal is to distinguish cellular configuration from a working Wi-Fi connection; this validate action specifically addresses mobile data failure due to disabled cellular without confusing a different subsystem.
Incorrect Answers
A:
Verify movement no longer causes signal loss at the intended resolution. 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 mobile data failure due to disabled cellular instead.
B:
Verify stable charging without pressure or unusual heat. 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 mobile data failure due to disabled cellular instead.
D:
Verify overnight consumption falls without breaking required work synchronization. This 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.
Question 293
On a service ticket for Granite Capital, the team observes: A laser printer jams on the first page when it tries to feed paper from tray 1. The supporting record states that the pickup roller is glazed and paper is correctly loaded with no stuck sheets. The desired outcome is to distinguish pickup roller wear from depleted toner. A safe non-destructive test must be used before replacing additional parts. What should the technician recommend as the corrective approach?
- Load the correct thermal stock in the required orientation and clean the printhead as supported
- Replace the supported toner/drum unit or imaging drum as designed
- Update the configured printer port or restore its DHCP reservation as appropriate
- Clean or replace the approved pickup roller or separation pad assembly
Explanation
Correct Answer
D:
Clean or replace the approved pickup roller or separation pad assembly. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that the pickup roller is glazed and paper is correctly loaded with no stuck sheets. The support goal is to distinguish pickup roller wear from depleted toner; this design action specifically addresses laser printer repeated paper jams at pickup without confusing a different subsystem.
Incorrect Answers
A:
Load the correct thermal stock in the required orientation and clean the printhead as supported. 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 laser printer repeated paper jams at pickup instead.
B:
Replace the supported toner/drum unit or imaging drum as designed. This action is appropriate for laser repeated streaks from drum defect, normally when printed laser pages have a dark stripe repeated at the same distance down each sheet. Here the observed facts require laser printer repeated paper jams at pickup instead.
C:
Update the configured printer port or restore its DHCP reservation as appropriate. This action is appropriate for printer offline queue despite network availability, normally when a shared printer is reachable on the network but user jobs accumulate in an offline queue. Here the observed facts require laser printer repeated paper jams at pickup instead.
Question 294
During Cedar Education's computer equipment refresh, the technician encounters this condition: A photo-editing employee sees washed-out colors when clients view a budget TN screen from the side. The desired outcome is to choose a display technology aligned with viewing-angle requirements. Service work must follow power isolation, ESD, and manufacturer instructions when applicable. How should the solution first be tested on an approved spare or pilot system?
- Model two drive failures on a disposable RAID 6 lab array
- View the same color test pattern from several angles on IPS and TN panels
- Set a test monitor first to its native resolution then to an available supported refresh rate
- Test touch coordinates with a supported calibration tool on a spare panel
Explanation
Correct Answer
B:
View the same color test pattern from several angles on IPS and TN panels. It tests the proposed solution safely on an approved representative system. The relevant observation is that a photo-editing employee sees washed-out colors when clients view a budget TN screen from the side. The support goal is to choose a display technology aligned with viewing-angle requirements; this pilot action specifically addresses ips versus tn versus oled displays without confusing a different subsystem.
Incorrect Answers
A:
Model two drive failures on a disposable RAID 6 lab array. 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 ips versus tn versus oled displays instead.
C:
Set a test monitor first to its native resolution then to an available supported refresh rate. 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 ips versus tn versus oled displays instead.
D:
Test touch coordinates with a supported calibration tool on a spare panel. That 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 ips versus tn versus oled displays instead.
Question 295
At Pioneer Markets, a technician working in computer equipment refresh identifies this issue: Two same-shaped modular PSU plugs have different wiring assignments even though they latch into place. The desired outcome is to avoid unsafe cross-vendor modular PSU cable substitution. Only approved service procedures and compatible replacement components may be used. Which safe pilot action gives the most relevant evidence?
- Test touch coordinates with a supported calibration tool on a spare panel
- Fit approved cables on a disconnected spare PSU and compare the stated pinout
- Bench-test with a known-good compatible PSU before sustained load testing
- Remove one module during a controlled failover test with adequate remaining capacity
Explanation
Correct Answer
B:
Fit approved cables on a disconnected spare PSU and compare the stated pinout. It tests the proposed solution safely on an approved representative system. The relevant observation is that two same-shaped modular PSU plugs have different wiring assignments even though they latch into place. The support goal is to avoid unsafe cross-vendor modular PSU cable substitution; this pilot action specifically addresses modular psu cable safety without confusing a different subsystem.
Incorrect Answers
A:
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 modular psu cable safety instead.
C:
Bench-test with a known-good compatible PSU before sustained load testing. 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 modular psu cable safety instead.
D:
Remove one module during a controlled failover test with adequate remaining capacity. This action is appropriate for redundant psu failover, normally when an office server needs to stay online when one power supply module fails. Here the observed facts require modular psu cable safety instead.
Question 296
During Falcon Transit's branch networking support, the technician encounters this condition: A technician tries to use headphone Bluetooth pairing steps to enroll an NFC employee access card. The desired outcome is to match NFC and Bluetooth to their intended interaction distance and purpose. The goal is to restore required function without creating a new security or safety problem. Which acceptance result best demonstrates the issue is resolved?
- Confirm edge clients stay connected and dense clients meet throughput targets
- Verify correct pin continuity and pair mapping after re-termination
- Confirm each device succeeds through its intended radio without conflating protocols
- Verify only the supported client discovers and joins the 6 GHz network while the legacy SSID remains usable
Explanation
Correct Answer
C:
Confirm each device succeeds through its intended radio without conflating protocols. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that a technician tries to use headphone Bluetooth pairing steps to enroll an NFC employee access card. The support goal is to match NFC and Bluetooth to their intended interaction distance and purpose; this validate action specifically addresses nfc short-range tap versus bluetooth pairing without confusing a different subsystem.
Incorrect Answers
A:
Confirm edge clients stay connected and dense clients meet throughput targets. That action is appropriate for 2.4 ghz versus 5 ghz wi-fi trade-offs, normally when a warehouse needs coverage through walls at modest data rates while a crowded office needs faster nearby links. Here the observed facts require nfc short-range tap versus bluetooth pairing instead.
B:
Verify correct pin continuity and pair mapping after re-termination. This action is appropriate for cable tester versus toner and probe, normally when a technician must determine whether a terminated Ethernet run has crossed wires and split pairs. Here the observed facts require nfc short-range tap versus bluetooth pairing instead.
D:
Verify only the supported client discovers and joins the 6 GHz network while the legacy SSID remains usable. That action is appropriate for 6 ghz wi-fi client compatibility, normally when a new 6 GHz SSID is invisible to several laptops even though 5 GHz works. Here the observed facts require nfc short-range tap versus bluetooth pairing instead.
Question 297
A support request at Seabright Supplies presents this problem: A resolver fails zone transfers and large responses because only DNS UDP traffic is permitted. The desired outcome is to recognize that DNS may require both UDP and TCP transport on port 53. The customer requires a verified fix rather than a guess based on one symptom. Which acceptance result best demonstrates the issue is resolved?
- Confirm the response succeeds over TCP 53 while ordinary UDP resolution continues
- Verify independent device logs use consistent event times after synchronization
- Verify mapping succeeds for authorized users while unrelated users remain denied
- Verify the client receives an address, gateway and DNS options from the correct scope
Explanation
Correct Answer
A:
Confirm the response succeeds over TCP 53 while ordinary UDP resolution continues. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that a resolver fails zone transfers and large responses because only DNS UDP traffic is permitted. The support goal is to recognize that DNS may require both UDP and TCP transport on port 53; this validate action specifically addresses dns service transport and port 53 without confusing a different subsystem.
Incorrect Answers
B:
Verify independent device logs use consistent event times after synchronization. This 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 dns service transport and port 53 instead.
C:
Verify mapping succeeds for authorized users while unrelated users remain denied. That action is appropriate for smb file sharing port versus rdp, normally when a user can ping a shared Windows file server but cannot map a network share. Here the observed facts require dns service transport and port 53 instead.
D:
Verify the client receives an address, gateway and DNS options from the correct scope. That action is appropriate for dhcp client and server port roles, normally when a new PC never receives an IPv4 lease on its office VLAN. Here the observed facts require dns service transport and port 53 instead.
Question 298
At Harborworks, a technician working in computer equipment refresh identifies this issue: A hospital wants medical schedules printed only when a badge holder is physically at the device. The desired outcome is to protect printed documents at a shared device. The technician must document observations separately from assumptions. Which diagnostic check best distinguishes the relevant fault?
- Compare capacity and fault tolerance of two-disk stripe versus mirror
- Inspect application print preferences, default tray, media size and duplex capability
- Check toner level, cartridge seating, toner-save mode and page examples
- Check printer identity settings, secure queue capability and retained output policies
Explanation
Correct Answer
D:
Check printer identity settings, secure queue capability and retained output policies. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that a hospital wants medical schedules printed only when a badge holder is physically at the device. The support goal is to protect printed documents at a shared device; this diagnose action specifically addresses secure pull-print and release authentication without confusing a different subsystem.
Incorrect Answers
A:
Compare capacity and fault tolerance of two-disk stripe versus mirror. This action is appropriate for raid 1 mirror capacity and resilience, normally when a file server has two equal 2 TB disks and needs redundancy against one disk failure. Here the observed facts require secure pull-print and release authentication instead.
B:
Inspect application print preferences, default tray, media size and duplex capability. That 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 secure pull-print and release authentication instead.
C:
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 secure pull-print and release authentication instead.
Question 299
A support request at Harborworks presents this problem: An administrator needs secure terminal access to a managed switch over an untrusted support network. The supporting record states that the current remote management procedure uses unencrypted Telnet on TCP 23. The desired outcome is to choose encrypted terminal management over a cleartext terminal protocol. Only approved service procedures and compatible replacement components may be used. Which configuration or repair action best addresses the stated requirement?
- Create a separate guest VLAN with appropriate ACLs and a supported authenticated VPN for remote staff
- Permit the authorized DNS transport paths including TCP 53 without opening unrelated services
- Enable supported SSH on TCP 22 with controlled admin accounts and disable unnecessary Telnet
- Restore DHCP server or relay reachability rather than assigning random static client addresses
Explanation
Correct Answer
C:
Enable supported SSH on TCP 22 with controlled admin accounts and disable unnecessary Telnet. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that the current remote management procedure uses unencrypted Telnet on TCP 23. The support goal is to choose encrypted terminal management over a cleartext terminal protocol; this design action specifically addresses ssh encrypted administration instead of telnet without confusing a different subsystem.
Incorrect Answers
A:
Create a separate guest VLAN with appropriate ACLs and a supported authenticated VPN for remote staff. This action is appropriate for vlan segmentation versus vpn encrypted tunneling, normally when a small office needs guest Wi-Fi isolated from payroll devices but also needs secure remote employee access. Here the observed facts require ssh encrypted administration instead of telnet instead.
B:
Permit the authorized DNS transport paths including TCP 53 without opening unrelated services. This action is appropriate for dns service transport and port 53, normally when a branch resolver answers ordinary UDP name queries but large signed responses fail. Here the observed facts require ssh encrypted administration instead of telnet instead.
D:
Restore DHCP server or relay reachability rather than assigning random static client addresses. This action is appropriate for dhcp client and server port roles, normally when a new PC never receives an IPv4 lease on its office VLAN. Here the observed facts require ssh encrypted administration instead of telnet instead.
Question 300
On a service ticket for Horizon College, the team observes: An inkjet photo printer produces blank horizontal stripes in cyan images. The supporting record states that a nozzle check identifies missing cyan nozzles while the paper path is clear. The desired outcome is to correct an ink delivery issue rather than changing duplex settings. User data and business service continuity must be preserved. Which verification result supports the intended technical outcome?
- Verify dark print appears on the active coated side without consumable ink
- Verify cyan lines are continuous and color image banding is reduced
- Verify queued and new jobs print and the queue reports the device online
- Verify repeated marks are gone across consecutive pages
Explanation
Correct Answer
B:
Verify cyan lines are continuous and color image banding is reduced. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that a nozzle check identifies missing cyan nozzles while the paper path is clear. The support goal is to correct an ink delivery issue rather than changing duplex settings; this validate action specifically addresses inkjet horizontal banding and nozzle obstruction without confusing a different subsystem.
Incorrect Answers
A:
Verify dark print appears on the active coated side without consumable ink. This action is appropriate for thermal printer paper orientation, normally when a shipping label printer feeds paper but produces completely blank labels. Here the observed facts require inkjet horizontal banding and nozzle obstruction instead.
C:
Verify queued and new jobs print and the queue reports the device online. This action is appropriate for printer offline queue despite network availability, normally when a shared printer is reachable on the network but user jobs accumulate in an offline queue. Here the observed facts require inkjet horizontal banding and nozzle obstruction instead.
D:
Verify repeated marks are gone across consecutive pages. This action is appropriate for laser repeated streaks from drum defect, normally when printed laser pages have a dark stripe repeated at the same distance down each sheet. Here the observed facts require inkjet horizontal banding and nozzle obstruction instead.
