CompTIA 220-1201 Practice Test 75
Question 740
On a service ticket for Northland Labs, the team observes: A developer calls a local VM snapshot a complete disaster recovery backup. The supporting record states that both the VM and its snapshot live on the same single physical disk. The desired outcome is to differentiate state rollback checkpoints from separately stored recoverable backups. Only approved service procedures and compatible replacement components may be used. Which diagnostic check best distinguishes the relevant fault?
- 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
- Inspect desktop hosting, identity, storage and endpoint access requirements
Explanation
Correct Answer
B:
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 both the VM and its snapshot live on the same single physical disk. 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:
Identify whether the hypervisor runs directly on hardware or above a host desktop 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 vm snapshot versus independent backup instead.
C:
Compare kernel sharing, image contents and isolation requirements. 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 vm snapshot versus independent backup instead.
D:
Inspect desktop hosting, identity, storage and endpoint access requirements. 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 vm snapshot versus independent backup instead.
Question 741
A support request at Crescent Operations presents this problem: A support call reveals a default route points to a host outside the user's /24 network. The desired outcome is to select an on-link default gateway matching the client subnet. 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?
- Test local peer connectivity and a routed test destination after correcting the gateway
- Renew the IP configuration on a test client after reconnecting to a working DHCP scope
- Perform a controlled lease renewal from a test client with packet capture
- Pilot association and isolation with approved modern and legacy test clients
Explanation
Correct Answer
A:
Test local peer connectivity and a routed test destination after correcting the gateway. It tests the proposed solution safely on an approved representative system. The relevant observation is that a support call reveals a default route points to a host outside the user's /24 network. The support goal is to select an on-link default gateway matching the client subnet; this pilot action specifically addresses ipv4 subnet mask and gateway selection without confusing a different subsystem.
Incorrect Answers
B:
Renew the IP configuration on a test client after reconnecting to a working DHCP scope. That action is appropriate for apipa 169.254.x.x missing dhcp lease, normally when a SOHO laptop automatically assigns itself 169.254.42.19 with a 255.255.0.0 mask. Here the observed facts require ipv4 subnet mask and gateway selection instead.
C:
Perform a controlled lease renewal from a test client with packet capture. 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 ipv4 subnet mask and gateway selection instead.
D:
Pilot association and isolation with approved modern and legacy test clients. That 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 ipv4 subnet mask and gateway selection instead.
Question 742
At Harborworks, a technician working in desktop hardware service bench identifies this issue: A file server has two equal 2 TB disks and needs redundancy against one disk failure. The supporting record states that a proposed RAID 0 stripe provides speed but no copy of data on a second drive. The desired outcome is to choose RAID 1 when simple mirroring is the requirement. The customer requires a verified fix rather than a guess based on one symptom. Which diagnostic check best distinguishes the relevant fault?
- Inspect controller support, even drive count and RAID 10 mirror grouping
- Inspect workload random I/O, storage interface, capacity and endurance
- Compare capacity and fault tolerance of two-disk stripe versus mirror
- Check usable capacity, minimum disk count and failure tolerance for RAID 5 and RAID 6
Explanation
Correct Answer
C:
Compare capacity and fault tolerance of two-disk stripe versus mirror. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that a proposed RAID 0 stripe provides speed but no copy of data on a second drive. The support goal is to choose RAID 1 when simple mirroring is the requirement; this diagnose action specifically addresses raid 1 mirror capacity and resilience without confusing a different subsystem.
Incorrect Answers
A:
Inspect controller support, even drive count and RAID 10 mirror grouping. That action is appropriate for raid 10 mirrored striped array, normally when a database server needs fast disk I/O and redundancy with four equal drives. Here the observed facts require raid 1 mirror capacity and resilience instead.
B:
Inspect workload random I/O, storage interface, capacity and endurance. This action is appropriate for ssd versus hdd latency and interface, normally when a mobile user needs low-latency storage and shock resistance but a procurement request specifies a 5400 RPM hard disk. Here the observed facts require raid 1 mirror capacity and resilience instead.
D:
Check usable capacity, minimum disk count and failure tolerance for RAID 5 and RAID 6. That action is appropriate for raid 5 versus raid 6 dual parity, normally when a four-disk production array must remain available during any two simultaneous drive failures. Here the observed facts require raid 1 mirror capacity and resilience instead.
Question 743
At Horizon College, a technician working in branch networking support identifies this issue: An office activates 6 GHz on its AP but a 2019 notebook cannot see that SSID. The desired outcome is to explain why band and client capabilities must agree before joining 6 GHz Wi-Fi. Any configuration change must be reversible and validated on a controlled test device. Which verification result supports the intended technical outcome?
- Confirm edge clients stay connected and dense clients meet throughput targets
- Verify only the supported client discovers and joins the 6 GHz network while the legacy SSID remains usable
- Confirm each device succeeds through its intended radio without conflating protocols
- Verify independent device logs use consistent event times after synchronization
Explanation
Correct Answer
B:
Verify only the supported client discovers and joins the 6 GHz network while the legacy SSID remains usable. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that an office activates 6 GHz on its AP but a 2019 notebook cannot see that SSID. The support goal is to explain why band and client capabilities must agree before joining 6 GHz Wi-Fi; this validate action specifically addresses 6 ghz wi-fi client compatibility 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 6 ghz wi-fi client compatibility instead.
C:
Confirm each device succeeds through its intended radio without conflating protocols. That action is appropriate for nfc short-range tap versus bluetooth pairing, normally when a checkout kiosk must read a contactless badge at a few centimeters, not stream audio across a room. Here the observed facts require 6 ghz wi-fi client compatibility instead.
D:
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 6 ghz wi-fi client compatibility instead.
Question 744
During Pioneer Markets's computer equipment refresh, the technician encounters this condition: 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 acceptance result best demonstrates the issue is resolved?
- Verify the machine remains stable under expected combined CPU and GPU draw
- Verify the server remains online and generates the expected module failure alert
- Verify touch points align across the affected area while brightness remains normal
- Verify stable component power without damaged devices or hot connectors
Explanation
Correct Answer
D:
Verify stable component power without damaged devices or hot connectors. It proves the required function with an observable result instead of assuming the change worked. 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 validate action specifically addresses modular psu cable safety without confusing a different subsystem.
Incorrect Answers
A:
Verify the machine remains stable under expected combined CPU and GPU draw. That 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.
B:
Verify the server remains online and generates the expected module failure alert. 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 modular psu cable safety instead.
C:
Verify touch points align across the affected area while brightness remains normal. 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.
Question 745
At Aster Systems, a technician working in workplace mobile support identifies this issue: 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. How should the solution first be tested on an approved spare or pilot system?
- Create one harmless test appointment and synchronize through the chosen enterprise account
- On a powered-off service unit, reseat the antenna leads with the correct nonconductive tool
- Test one vendor-approved SODIMM in the serviceable laptop with the battery and power removed
- Test the camera preview with the shutter closed and reopened on an authorized test laptop
Explanation
Correct Answer
D:
Test the camera preview with the shutter closed and reopened on an authorized test laptop. It tests the proposed solution safely on an approved representative system. 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 pilot action specifically addresses physical webcam privacy hardware without confusing a different subsystem.
Incorrect Answers
A:
Create one harmless test appointment and synchronize through the chosen enterprise account. 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.
B:
On a powered-off service unit, reseat the antenna leads with the correct nonconductive tool. That 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.
C:
Test one vendor-approved SODIMM in the serviceable laptop with the battery and power removed. That 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.
Question 746
At Northland Labs, a technician working in small-office network service desk identifies this issue: A technician must determine whether a terminated Ethernet run has crossed wires and split pairs. The supporting record states that the office has a wiremap cable tester and a toner/probe used for tracing cable identity. The desired outcome is to select the diagnostic tool for wiring correctness versus cable tracing. The technician must document observations separately from assumptions. What should support monitor to catch a recurrence of the same failure?
- Monitor wireless channel utilization and retransmission patterns
- Monitor SMB connection failures and excessive port 445 exposure
- Monitor repeated failed pinout tests and cable labeling gaps
- Monitor new links for incorrect network diagrams and address planning
Explanation
Correct Answer
C:
Monitor repeated failed pinout tests and cable labeling gaps. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that the office has a wiremap cable tester and a toner/probe used for tracing cable identity. The support goal is to select the diagnostic tool for wiring correctness versus cable tracing; this monitor action specifically addresses cable tester versus toner and probe without confusing a different subsystem.
Incorrect Answers
A:
Monitor wireless channel utilization and retransmission patterns. That action is appropriate for wi-fi analyzer versus network tap, normally when staff complain about busy wireless channels in a meeting room. Here the observed facts require cable tester versus toner and probe instead.
B:
Monitor SMB connection failures and excessive port 445 exposure. 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 cable tester versus toner and probe instead.
D:
Monitor new links for incorrect network diagrams and address planning. That action is appropriate for pan versus lan versus wan scope, normally when a technician must classify a Bluetooth watch connection, office Ethernet and multi-site leased link. Here the observed facts require cable tester versus toner and probe instead.
Question 747
A support request at Horizon College presents this problem: An office activates 6 GHz on its AP but a 2019 notebook cannot see that SSID. The desired outcome is to explain why band and client capabilities must agree before joining 6 GHz Wi-Fi. Any configuration change must be reversible and validated on a controlled test device. How should the solution first be tested on an approved spare or pilot system?
- Pilot client roaming and throughput measurements on both bands in the actual locations
- Tap a test badge at the documented NFC distance and pair a test headset via Bluetooth
- Pilot NTP sync on one lab router and send a harmless test syslog entry
- Pilot association with one certified 6 GHz client and one older 5 GHz-only client
Explanation
Correct Answer
D:
Pilot association with one certified 6 GHz client and one older 5 GHz-only client. It tests the proposed solution safely on an approved representative system. The relevant observation is that an office activates 6 GHz on its AP but a 2019 notebook cannot see that SSID. The support goal is to explain why band and client capabilities must agree before joining 6 GHz Wi-Fi; this pilot action specifically addresses 6 ghz wi-fi client compatibility without confusing a different subsystem.
Incorrect Answers
A:
Pilot client roaming and throughput measurements on both bands in the actual locations. 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 6 ghz wi-fi client compatibility instead.
B:
Tap a test badge at the documented NFC distance and pair a test headset via Bluetooth. That action is appropriate for nfc short-range tap versus bluetooth pairing, normally when a checkout kiosk must read a contactless badge at a few centimeters, not stream audio across a room. Here the observed facts require 6 ghz wi-fi client compatibility instead.
C:
Pilot NTP sync on one lab router and send a harmless test syslog entry. 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 6 ghz wi-fi client compatibility instead.
Question 748
During Keystone Health's desktop hardware service bench, the technician encounters this condition: A technician orders an M.2 SSD for a motherboard slot that supports only SATA signaling. The supporting record states that the purchased M.2 drive uses NVMe over PCIe even though the cards look physically similar. The desired outcome is to match storage interface protocol to motherboard slot capabilities. The technician must document observations separately from assumptions. Which planned change most directly resolves the documented issue?
- Order a compatible SATA M.2 model or install into a supported NVMe PCIe slot
- Select a compatible SSD rather than a spinning HDD for the specified latency and shock profile
- Use supported single-mode fiber and matched long-reach optics for the kilometer-scale link
- Terminate both cable ends to the same approved T568A or T568B scheme for a straight-through lead
Explanation
Correct Answer
A:
Order a compatible SATA M.2 model or install into a supported NVMe PCIe slot. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that the purchased M.2 drive uses NVMe over PCIe even though the cards look physically similar. The support goal is to match storage interface protocol to motherboard slot capabilities; this design action specifically addresses nvme pcie versus sata storage interface without confusing a different subsystem.
Incorrect Answers
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 nvme pcie versus sata storage interface instead.
C:
Use supported single-mode fiber and matched long-reach optics for the kilometer-scale link. This 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 nvme pcie versus sata storage interface instead.
D:
Terminate both cable ends to the same approved T568A or T568B scheme for a straight-through lead. This action is appropriate for t568a versus t568b rj45 terminations, normally when a newly crimped eight-wire Ethernet cable fails a wiremap test because one end follows T568A and the other T568B. Here the observed facts require nvme pcie versus sata storage interface instead.
Question 749
A support request at Riverlight Retail presents this problem: A high-use laser device repeatedly fails to pull the first sheet although print quality is good. The desired outcome is to distinguish pickup roller wear from depleted toner. Only approved service procedures and compatible replacement components may be used. Which planned change most directly resolves the documented issue?
- Clean or replace the approved pickup roller or separation pad assembly
- Perform approved nozzle cleaning and replace a failed cartridge or head only if indicated
- 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
Explanation
Correct Answer
A:
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 a high-use laser device repeatedly fails to pull the first sheet although print quality is good. 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
B:
Perform approved nozzle cleaning and replace a failed cartridge or head only if indicated. This action is appropriate for inkjet horizontal banding and nozzle obstruction, normally when an inkjet photo printer produces blank horizontal stripes in cyan images. Here the observed facts require laser printer repeated paper jams at pickup instead.
C:
Load the correct thermal stock in the required orientation and clean the printhead as supported. That 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.
D:
Replace the supported toner/drum unit or imaging drum as designed. That 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.
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.
