CompTIA 220-1201 Practice Test 63
Question 620
During Northland Labs's hardware and network incident triage, the technician encounters this condition: A workstation loses Ethernet connection whenever its patch lead is bent. The supporting record states that switch counters show link up/down events and interface errors but its IP settings are valid. The desired outcome is to isolate physical cable or connector failure before changing network services. The customer requires a verified fix rather than a guess based on one symptom. Which configuration or repair action best addresses the stated requirement?
- Replace the failed cooling fan and correct airflow or thermal interface as indicated
- Choose less congested supported channels or move compatible clients to a cleaner 5 GHz band
- Correct the DNS server configuration and flush stale failed resolution records if appropriate
- Replace the defective patch lead and inspect the wall jack before blaming DNS
Explanation
Correct Answer
D:
Replace the defective patch lead and inspect the wall jack before blaming DNS. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that switch counters show link up/down events and interface errors but its IP settings are valid. The support goal is to isolate physical cable or connector failure before changing network services; this design action specifically addresses copper ethernet link flapping without confusing a different subsystem.
Incorrect Answers
A:
Replace the failed cooling fan and correct airflow or thermal interface as indicated. 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 copper ethernet link flapping instead.
B:
Choose less congested supported channels or move compatible clients to a cleaner 5 GHz band. This action is appropriate for intermittent wi-fi due to channel interference, normally when users near a lunchroom suffer slow 2.4 GHz Wi-Fi at peak periods while wired links stay normal. Here the observed facts require copper ethernet link flapping instead.
C:
Correct the DNS server configuration and flush stale failed resolution records if appropriate. This action is appropriate for dns failure with working ip connectivity, normally when a workstation opens a service directly by numeric IP but says its hostname cannot be resolved. Here the observed facts require copper ethernet link flapping instead.
Question 621
On a service ticket for Silverline Travel, the team observes: 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. Which verification result supports the intended technical outcome?
- Verify movement no longer causes signal loss at the intended resolution
- Verify CPU temperature and fan speed stay within specified operating limits
- Verify the projector shows the test slide and remains stable in the selected mode
- Verify internal brightness returns while external video remains unaffected
Explanation
Correct Answer
C:
Verify the projector shows the test slide and remains stable in the selected mode. It proves the required function with an observable result instead of assuming the change worked. 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 validate action specifically addresses projector wrong input versus computer failure 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 projector wrong input versus computer failure instead.
B:
Verify CPU temperature and fan speed stay within specified operating limits. 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.
D:
Verify internal brightness returns while external video remains unaffected. 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 projector wrong input versus computer failure instead.
Question 622
On a service ticket for Westbrook Energy, the team observes: A newly crimped eight-wire Ethernet cable fails a wiremap test because one end follows T568A and the other T568B. The supporting record states that the site intended a normal straight-through patch lead with matching conductor order at both ends. The desired outcome is to apply consistent Ethernet copper pair termination standards. A safe non-destructive test must be used before replacing additional parts. Which planned change most directly resolves the documented issue?
- Terminate both cable ends to the same approved T568A or T568B scheme for a straight-through lead
- Use supported single-mode fiber and matched long-reach optics for the kilometer-scale link
- Order a compatible SATA M.2 model or install into a supported NVMe PCIe slot
- Connect through a supported Thunderbolt or USB4 port and rated cable meeting the enclosure requirements
Explanation
Correct Answer
A:
Terminate both cable ends to the same approved T568A or T568B scheme for a straight-through lead. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that the site intended a normal straight-through patch lead with matching conductor order at both ends. The support goal is to apply consistent Ethernet copper pair termination standards; this design action specifically addresses t568a versus t568b rj45 terminations without confusing a different subsystem.
Incorrect Answers
B:
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 t568a versus t568b rj45 terminations instead.
C:
Order a compatible SATA M.2 model or install into a supported NVMe PCIe slot. This 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 t568a versus t568b rj45 terminations instead.
D:
Connect through a supported Thunderbolt or USB4 port and rated cable meeting the enclosure requirements. This action is appropriate for usb-c versus thunderbolt port capability, normally when an external high-bandwidth storage enclosure only negotiates low speed on a laptop USB-C connector. Here the observed facts require t568a versus t568b rj45 terminations instead.
Question 623
On a service ticket for Fountain Transport, the team observes: A security investigation cannot correlate firewall and switch events because their clocks disagree. The desired outcome is to identify the role of network time synchronization separate from log transport. The customer requires a verified fix rather than a guess based on one symptom. How should the solution first be tested on an approved spare or pilot system?
- Fail one lab application node while sending a controlled stream of valid requests
- Pilot guest-to-payroll denial and an authorized remote VPN session independently
- Query a known internal name on a test client with corrected DNS settings
- Pilot NTP sync on one lab router and send a harmless test syslog entry
Explanation
Correct Answer
D:
Pilot NTP sync on one lab router and send a harmless test syslog entry. It tests the proposed solution safely on an approved representative system. The relevant observation is that a security investigation cannot correlate firewall and switch events because their clocks disagree. The support goal is to identify the role of network time synchronization separate from log transport; this pilot action specifically addresses ntp time service versus centralized syslog without confusing a different subsystem.
Incorrect Answers
A:
Fail one lab application node while sending a controlled stream of valid requests. This action is appropriate for load balancer versus proxy server functions, normally when a web service needs requests distributed across three application servers with failed nodes removed automatically. Here the observed facts require ntp time service versus centralized syslog instead.
B:
Pilot guest-to-payroll denial and an authorized remote VPN session independently. 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 ntp time service versus centralized syslog instead.
C:
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 ntp time service versus centralized syslog instead.
Question 624
At Lakeside Analytics, a technician working in small-office network service desk identifies this issue: A new 6 GHz SSID is invisible to several laptops even though 5 GHz works. The supporting record states that the older wireless adapters lack 6 GHz support and some clients are configured for incompatible security modes. The desired outcome is to explain why band and client capabilities must agree before joining 6 GHz Wi-Fi. The technician must document observations separately from assumptions. What should the technician verify first to establish the problem?
- Survey RSSI, interference sources, client capabilities and required throughput on both bands
- Inspect UDP 68 client requests, UDP 67 server responses and relay configuration across the VLAN
- Check adapter specifications, OS support, channel regulations and required security configuration
- Inspect reader specifications, expected distance and supported mobile radio interface
Explanation
Correct Answer
C:
Check adapter specifications, OS support, channel regulations and required security configuration. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that the older wireless adapters lack 6 GHz support and some clients are configured for incompatible security modes. The support goal is to explain why band and client capabilities must agree before joining 6 GHz Wi-Fi; this diagnose action specifically addresses 6 ghz wi-fi client compatibility without confusing a different subsystem.
Incorrect Answers
A:
Survey RSSI, interference sources, client capabilities and required throughput on both bands. 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:
Inspect UDP 68 client requests, UDP 67 server responses and relay configuration across the VLAN. 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 6 ghz wi-fi client compatibility instead.
D:
Inspect reader specifications, expected distance and supported mobile radio interface. 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.
Question 625
On a service ticket for Harborworks, the team observes: A machine passes idle checks but reboots when the GPU and CPU draw peak power together. The supporting record states that the PSU is below vendor recommended capacity and its protection event appears in a diagnostic log. The desired outcome is to differentiate load-related power failure from random OS application crashes. The goal is to restore required function without creating a new security or safety problem. Which diagnostic check best distinguishes the relevant fault?
- Inspect whether the media is direct thermal, coated side, sensor placement and heating element cleanliness
- Correlate reboot timing with power demand and inspect PSU rating and connector seating
- Check documented beep codes, DIMM seating, and one-module test configuration
- Check the exact board beep code table, GPU seating and required GPU power
Explanation
Correct Answer
B:
Correlate reboot timing with power demand and inspect PSU rating and connector seating. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that the PSU is below vendor recommended capacity and its protection event appears in a diagnostic log. The support goal is to differentiate load-related power failure from random OS application crashes; this diagnose action specifically addresses psu instability under peak component load without confusing a different subsystem.
Incorrect Answers
A:
Inspect whether the media is direct thermal, coated side, sensor placement and heating element cleanliness. 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 psu instability under peak component load instead.
C:
Check documented beep codes, DIMM seating, and one-module test configuration. That action is appropriate for desktop memory fault preventing post, normally when a desktop powers on but gives a repeating memory-related beep pattern and no display. Here the observed facts require psu instability under peak component load instead.
D:
Check the exact board beep code table, GPU seating and required GPU power. That action is appropriate for post beep code interpretation and expansion-card isolation, normally when a newly upgraded desktop beeps at startup and shows no BIOS screen. Here the observed facts require psu instability under peak component load instead.
Question 626
During Amberline Finance's branch networking support, the technician encounters this condition: An office run has continuity but pairs are crossed and technicians keep using a tone generator as proof of correctness. The desired outcome is to select the diagnostic tool for wiring correctness versus cable tracing. Any configuration change must be reversible and validated on a controlled test device. Which post-repair signal best detects regression or repeat exposure?
- Monitor wireless channel utilization and retransmission patterns
- Monitor repeated failed pinout tests and cable labeling gaps
- Monitor new links for incorrect network diagrams and address planning
- Monitor reservation conflicts and device MAC replacement
Explanation
Correct Answer
B:
Monitor repeated failed pinout tests and cable labeling gaps. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that an office run has continuity but pairs are crossed and technicians keep using a tone generator as proof of correctness. 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. 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 cable tester versus toner and probe instead.
C:
Monitor new links for incorrect network diagrams and address planning. 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 cable tester versus toner and probe instead.
D:
Monitor reservation conflicts and device MAC replacement. This action is appropriate for dhcp reservation versus exclusion, normally when a networked printer must keep the same IPv4 address while the rest of the office remains DHCP-managed. Here the observed facts require cable tester versus toner and probe instead.
Question 627
At Granite Capital, a technician working in branch networking support identifies this issue: An old router is accessible via Telnet but security policy requires encrypted remote CLI administration. The desired outcome is to choose encrypted terminal management over a cleartext terminal protocol. User data and business service continuity must be preserved. What should the technician recommend as the corrective approach?
- 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
- Correct MX routing to the active mail service without treating SPF as an incoming delivery address
- Permit the authorized DNS transport paths including TCP 53 without opening unrelated services
Explanation
Correct Answer
A:
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 an old router is accessible via Telnet but security policy requires encrypted remote CLI administration. 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
B:
Restore DHCP server or relay reachability rather than assigning random static client addresses. 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 ssh encrypted administration instead of telnet instead.
C:
Correct MX routing to the active mail service without treating SPF as an incoming delivery address. This action is appropriate for mx and spf dns records distinct purposes, normally when a domain receives email at the wrong destination after DNS changes. Here the observed facts require ssh encrypted administration instead of telnet instead.
D:
Permit the authorized DNS transport paths including TCP 53 without opening unrelated services. That 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.
Question 628
At Riverlight Retail, a technician working in end-user troubleshooting identifies this issue: 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 controlled service test best evaluates the planned approach?
- Test several sheets from tray 1 after a supported roller service
- Run one controlled cleaning cycle and print a nozzle verification pattern
- Print a known test pattern after substituting a known-good imaging unit
- Feed a short set of labeled test media in the proper orientation
Explanation
Correct Answer
A:
Test several sheets from tray 1 after a supported roller service. It tests the proposed solution safely on an approved representative system. 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 pilot action specifically addresses laser printer repeated paper jams at pickup without confusing a different subsystem.
Incorrect Answers
B:
Run one controlled cleaning cycle and print a nozzle verification pattern. 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:
Print a known test pattern after substituting a known-good imaging unit. 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.
D:
Feed a short set of labeled test media in the proper orientation. 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.
Question 629
At Cedar Education, a technician working in computer equipment refresh identifies this issue: 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 configuration or repair action best addresses the stated requirement?
- Service or recalibrate the compatible digitizer assembly after confirming driver and physical damage
- Use RAID 6 when the stated requirement is two-drive fault tolerance
- Choose a resolution meeting workspace needs and refresh rate supported by the GPU and cable
- Select an IPS-class monitor meeting the required color gamut rather than choosing TN solely for speed
Explanation
Correct Answer
D:
Select an IPS-class monitor meeting the required color gamut rather than choosing TN solely for speed. It corrects the documented cause using the compatible technology and support constraints. 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 design action specifically addresses ips versus tn versus oled displays without confusing a different subsystem.
Incorrect Answers
A:
Service or recalibrate the compatible digitizer assembly after confirming driver and physical damage. 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.
B:
Use RAID 6 when the stated requirement is two-drive fault tolerance. 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:
Choose a resolution meeting workspace needs and refresh rate supported by the GPU and cable. 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.
Question 630
At Summit Media, a technician working in hardware and network incident triage identifies this issue: A workstation opens a service directly by numeric IP but says its hostname cannot be resolved. The supporting record states that it has a valid address and gateway but was configured with an unreachable DNS resolver. The desired outcome is to troubleshoot name resolution separately from basic routed network access. The technician must document observations separately from assumptions. What should the technician verify first to establish the problem?
- Inspect port access and voice VLAN settings, LLDP, assigned IP subnets and switch change log
- Check resolver settings, DNS request responses and direct-IP reachability
- Inspect channel use, signal strength, client retries and non-Wi-Fi interference sources
- Review DHCP Discover and Offer exchange, relay route and scope health
Explanation
Correct Answer
B:
Check resolver settings, DNS request responses and direct-IP reachability. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that it has a valid address and gateway but was configured with an unreachable DNS resolver. The support goal is to troubleshoot name resolution separately from basic routed network access; this diagnose action specifically addresses dns failure with working ip connectivity without confusing a different subsystem.
Incorrect Answers
A:
Inspect port access and voice VLAN settings, LLDP, assigned IP subnets and switch change log. That action is appropriate for vlan mismatch causing one desk to lose access, normally when a desk phone and PC stop reaching their correct services after a switch port change. Here the observed facts require dns failure with working ip connectivity instead.
C:
Inspect channel use, signal strength, client retries and non-Wi-Fi interference sources. This action is appropriate for intermittent wi-fi due to channel interference, normally when users near a lunchroom suffer slow 2.4 GHz Wi-Fi at peak periods while wired links stay normal. Here the observed facts require dns failure with working ip connectivity instead.
D:
Review DHCP Discover and Offer exchange, relay route and scope health. That action is appropriate for dhcp failure and 169.254 apipa symptom, normally when an office PC obtains a 169.254 address and cannot reach internet destinations. Here the observed facts require dns failure with working ip connectivity instead.
