CompTIA 220-1201 Practice Test 76
Question 750
At Fountain Transport, a technician working in computer equipment refresh identifies this issue: 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. How should the solution first be tested on an approved spare or pilot system?
- Bench-test with a known-good compatible PSU before sustained load testing
- Test the card with all required supported power connections and a controlled workload
- Test one authorized signed boot medium and one deliberately unsigned training medium
- Remount the cooler on a safe test board with correct fan connection
Explanation
Correct Answer
B:
Test the card with all required supported power connections and a controlled workload. It tests the proposed solution safely on an approved representative system. The relevant observation is that 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 pilot action specifically addresses pcie slot and gpu power constraints without confusing a different subsystem.
Incorrect Answers
A:
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 pcie slot and gpu power constraints instead.
C:
Test one authorized signed boot medium and one deliberately unsigned training medium. 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.
D:
Remount the cooler on a safe test board with correct fan connection. 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.
Question 751
During Silverline Travel's end-user troubleshooting, the technician encounters this condition: A meeting projector shows no image because it is set to VGA while the laptop uses HDMI. The desired outcome is to resolve a display source-selection issue without reinstalling graphics drivers. 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?
- Run a short controlled load test after servicing cooling on a lab desktop
- Test a compatible known-good panel with safe power isolation
- Use a safe test presentation and cycle between known connected projector inputs
- Swap only the display cable on a known-good test monitor
Explanation
Correct Answer
C:
Use a safe test presentation and cycle between known connected projector inputs. It tests the proposed solution safely on an approved representative system. The relevant observation is that a meeting projector shows no image because it is set to VGA while the laptop uses HDMI. The support goal is to resolve a display source-selection issue without reinstalling graphics drivers; this pilot action specifically addresses projector wrong input versus computer failure without confusing a different subsystem.
Incorrect Answers
A:
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 projector wrong input versus computer failure instead.
B:
Test a compatible known-good panel with safe power isolation. That action is appropriate for backlight failure on laptop lcd, normally when a laptop screen looks black but a flashlight reveals a faint intact desktop image. Here the observed facts require projector wrong input versus computer failure instead.
D:
Swap only the display cable on a known-good test monitor. That action is appropriate for intermittent monitor image due to video cable, normally when a monitor intermittently goes black when its display cable is moved. Here the observed facts require projector wrong input versus computer failure instead.
Question 752
At Bluefin Logistics, a technician working in cloud and desktop infrastructure review identifies this issue: A datacenter team wants direct server virtualization instead of a developer's hosted VM application. The desired outcome is to choose the hypervisor class appropriate for dedicated host operation. 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 host hardware support and hypervisor security updates
- Monitor container image vulnerabilities and excessive runtime privileges
- Monitor VDI broker availability, logon time and display latency
- Monitor excessive host memory consumption and stale test VMs
Explanation
Correct Answer
A:
Monitor host hardware support and hypervisor security updates. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that a datacenter team wants direct server virtualization instead of a developer's hosted VM application. The support goal is to choose the hypervisor class appropriate for dedicated host operation; this monitor action specifically addresses type 1 versus type 2 hypervisors without confusing a different subsystem.
Incorrect Answers
B:
Monitor container image vulnerabilities and excessive runtime privileges. That action is appropriate for container isolation versus full virtual machine, normally when a team needs to package one web service and its dependencies but not another complete guest kernel. Here the observed facts require type 1 versus type 2 hypervisors instead.
C:
Monitor VDI broker availability, logon time and display latency. 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 type 1 versus type 2 hypervisors instead.
D:
Monitor excessive host memory consumption and stale test VMs. That action is appropriate for hosted type 2 virtualization for testing, normally when a help desk engineer needs an isolated test operating system on an existing laptop. Here the observed facts require type 1 versus type 2 hypervisors instead.
Question 753
On a service ticket for Falcon Transit, the team observes: 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 post-repair signal best detects regression or repeat exposure?
- Watch channel occupancy and weak-signal client retransmission rates
- Monitor repeated failed pinout tests and cable labeling gaps
- Monitor client compatibility and regulatory-domain channel settings after firmware changes
- Monitor NFC reader alignment and Bluetooth pairing failures separately
Explanation
Correct Answer
D:
Monitor NFC reader alignment and Bluetooth pairing failures separately. It tracks recurrence of the specific failure mechanism over time. 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 monitor action specifically addresses nfc short-range tap versus bluetooth pairing without confusing a different subsystem.
Incorrect Answers
A:
Watch channel occupancy and weak-signal client retransmission rates. This 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:
Monitor repeated failed pinout tests and cable labeling gaps. 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.
C:
Monitor client compatibility and regulatory-domain channel settings after firmware changes. This 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 754
A support request at Cedar Education presents this problem: 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. Which diagnostic check best distinguishes the relevant fault?
- Inspect horizontal and vertical pixel dimensions separately from rated Hz and link support
- Check touch controller reporting and the glass digitizer surface instead of replacing the inverter
- Check usable capacity, minimum disk count and failure tolerance for RAID 5 and RAID 6
- Compare IPS and TN viewing-angle color shifts, calibration and target workload
Explanation
Correct Answer
D:
Compare IPS and TN viewing-angle color shifts, calibration and target workload. It checks the likely failure boundary before altering working parts or settings. 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 diagnose action specifically addresses ips versus tn versus oled displays without confusing a different subsystem.
Incorrect Answers
A:
Inspect horizontal and vertical pixel dimensions separately from rated Hz and link support. This 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.
B:
Check touch controller reporting and the glass digitizer surface instead of replacing the inverter. 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 ips versus tn versus oled displays instead.
C:
Check usable capacity, minimum disk count and failure tolerance for RAID 5 and RAID 6. 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.
Question 755
A support request at Amberline Finance presents this problem: An engineer keeps only hypervisor checkpoints on the same datastore and assumes disk failure cannot lose them. The desired outcome is to differentiate state rollback checkpoints from separately stored recoverable backups. User data and business service continuity must be preserved. Which inspection most directly confirms the likely cause before changing components?
- Inspect CPU capabilities, firmware virtualization toggle and hypervisor error logs
- Identify whether the hypervisor runs directly on hardware or above a host desktop OS
- Inspect snapshot location, retention and independent backup copies
- Compare kernel sharing, image contents and isolation requirements
Explanation
Correct Answer
C:
Inspect snapshot location, retention and independent backup copies. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that an engineer keeps only hypervisor checkpoints on the same datastore and assumes disk failure cannot lose them. The support goal is to differentiate state rollback checkpoints from separately stored recoverable backups; this diagnose action specifically addresses vm snapshot versus independent backup without confusing a different subsystem.
Incorrect Answers
A:
Inspect CPU capabilities, firmware virtualization toggle and hypervisor error logs. This action is appropriate for virtualization cpu extensions, normally when a new virtual machine cannot start a 64-bit guest even though the host processor supports virtualization. Here the observed facts require vm snapshot versus independent backup instead.
B:
Identify whether the hypervisor runs directly on hardware or above a host desktop OS. That action is appropriate for type 1 versus type 2 hypervisors, normally when an organization needs multiple production VMs on a dedicated virtualization host without a general-purpose desktop OS layer. Here the observed facts require vm snapshot versus independent backup instead.
D:
Compare kernel sharing, image contents and isolation requirements. That action is appropriate for container isolation versus full virtual machine, normally when a team needs to package one web service and its dependencies but not another complete guest kernel. Here the observed facts require vm snapshot versus independent backup instead.
Question 756
At Juniper Tech, a technician working in branch networking support identifies this issue: A video production studio needs much higher upstream bandwidth than its ageing DSL circuit provides. The desired outcome is to select an ISP connection type according to real throughput and availability. User data and business service continuity must be preserved. Which planned change most directly resolves the documented issue?
- Label short-range personal devices PAN, building networking LAN and multi-site WAN appropriately
- Allow approved SMB 445 between specified clients and the file server without opening remote desktop
- Choose the suitable provisioned fiber plan when bidirectional transfer capacity is the dominant requirement
- Use a Wi-Fi analyzer to select a cleaner channel and appropriate channel width
Explanation
Correct Answer
C:
Choose the suitable provisioned fiber plan when bidirectional transfer capacity is the dominant requirement. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that a video production studio needs much higher upstream bandwidth than its ageing DSL circuit provides. The support goal is to select an ISP connection type according to real throughput and availability; this design action specifically addresses fiber wan versus dsl last-mile capacity without confusing a different subsystem.
Incorrect Answers
A:
Label short-range personal devices PAN, building networking LAN and multi-site WAN appropriately. 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 fiber wan versus dsl last-mile capacity instead.
B:
Allow approved SMB 445 between specified clients and the file server without opening remote desktop. This 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 fiber wan versus dsl last-mile capacity instead.
D:
Use a Wi-Fi analyzer to select a cleaner channel and appropriate channel width. 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 fiber wan versus dsl last-mile capacity instead.
Question 757
On a service ticket for Summit Media, the team observes: An employee assumes any phone-style USB-C lead provides the bandwidth of a Thunderbolt SSD enclosure. The desired outcome is to determine host and cable protocol support rather than assuming a USB-C shape is sufficient. The technician must document observations separately from assumptions. Which controlled service test best evaluates the planned approach?
- Model two drive failures on a disposable RAID 6 lab array
- Run a non-destructive throughput test using known files on a certified host/cable pair
- Verify a test single-mode pair with appropriate optics and light-level measurements
- Install a supported spare drive into a test board and check firmware discovery
Explanation
Correct Answer
B:
Run a non-destructive throughput test using known files on a certified host/cable pair. It tests the proposed solution safely on an approved representative system. The relevant observation is that an employee assumes any phone-style USB-C lead provides the bandwidth of a Thunderbolt SSD enclosure. The support goal is to determine host and cable protocol support rather than assuming a USB-C shape is sufficient; this pilot action specifically addresses usb-c versus thunderbolt port capability 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 usb-c versus thunderbolt port capability instead.
C:
Verify a test single-mode pair with appropriate optics and light-level measurements. That action is appropriate for single-mode versus multimode fiber, normally when a campus backbone spans several kilometers between buildings and requires high throughput. Here the observed facts require usb-c versus thunderbolt port capability instead.
D:
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 usb-c versus thunderbolt port capability instead.
Question 758
During Beacon Group's hardware and network incident triage, the technician encounters this condition: A business phone loses most of its battery overnight despite a healthy battery test. The supporting record states that battery usage reports show one sync application repeatedly waking the device in the background. The desired outcome is to identify energy consumption from software activity rather than immediately swapping the battery. A safe non-destructive test must be used before replacing additional parts. What should the technician verify first to establish the problem?
- Inspect brightness controls, display cable, backlight power and serviceable panel components
- Inspect per-app usage, background refresh, radio activity and battery health metrics
- 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
Explanation
Correct Answer
B:
Inspect per-app usage, background refresh, radio activity and battery health metrics. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that battery usage reports show one sync application repeatedly waking the device in the background. The support goal is to identify energy consumption from software activity rather than immediately swapping the battery; this diagnose action specifically addresses background app mobile battery drain without confusing a different subsystem.
Incorrect Answers
A:
Inspect brightness controls, display cable, backlight power and serviceable panel components. This action is appropriate for backlight failure on laptop lcd, normally when a laptop screen looks black but a flashlight reveals a faint intact desktop image. Here the observed facts require background app mobile battery drain instead.
C:
Check cellular toggle, SIM or eSIM provisioning, airplane mode and signal state. That 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 background app mobile battery drain instead.
D:
Inspect the port for lint, bent pins, moisture indicator and cable seating with power disconnected. That action is appropriate for mobile charging port debris, normally when a phone charges intermittently only when its USB-C plug is held at an angle. Here the observed facts require background app mobile battery drain instead.
Question 759
At Seabright Supplies, a technician working in laptop and mobile device repair identifies this issue: After a laptop display assembly replacement, Bluetooth works but Wi-Fi signal is very weak. The supporting record states that the WLAN card is present in Device Manager and one antenna lead is detached near the hinge. The desired outcome is to restore the wireless antenna path without replacing a healthy radio. The technician must document observations separately from assumptions. Which inspection most directly confirms the likely cause before changing components?
- Inspect WLAN antenna snap connectors, cable routing and card detection against service documentation
- Compare signed-in identity, calendar data source, sync permissions and last successful sync
- Check backup success, recovery-key availability, drive connector and manufacturer form-factor compatibility
- Confirm swelling, disconnect external power, and check the manufacturer's battery handling instructions
Explanation
Correct Answer
A:
Inspect WLAN antenna snap connectors, cable routing and card detection against service documentation. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that the WLAN card is present in Device Manager and one antenna lead is detached near the hinge. The support goal is to restore the wireless antenna path without replacing a healthy radio; this diagnose action specifically addresses laptop wi-fi antenna reconnection without confusing a different subsystem.
Incorrect Answers
B:
Compare signed-in identity, calendar data source, sync permissions and last successful sync. 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 laptop wi-fi antenna reconnection instead.
C:
Check backup success, recovery-key availability, drive connector and manufacturer form-factor compatibility. 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 wi-fi antenna reconnection 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 laptop wi-fi antenna reconnection instead.
Question 760
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. What should support monitor to catch a recurrence of the same failure?
- Monitor wireless channel utilization and retransmission patterns
- Monitor default-gateway reachability and route changes
- Monitor PoE overload events and added device power requirements
- Monitor ONT optical alarms and WAN gateway status separately
Explanation
Correct Answer
C:
Monitor PoE overload events and added device power requirements. It tracks recurrence of the specific failure mechanism over time. 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 monitor action specifically addresses poe switch power budget without confusing a different subsystem.
Incorrect Answers
A:
Monitor wireless channel utilization and retransmission patterns. 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:
Monitor default-gateway reachability and route changes. 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.
D:
Monitor ONT optical alarms and WAN gateway status separately. 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.
