CompTIA 220-1201 Practice Test 46
Question 450
A support request at Pioneer Markets presents this problem: A new monitor's text appears soft because the operating system outputs 1366x768 to a 1920x1080 panel. The desired outcome is to correct resolution and scaling without treating blur as pixel hardware failure. The customer requires a verified fix rather than a guess based on one symptom. Which acceptance result best demonstrates the issue is resolved?
- Verify internal brightness returns while external video remains unaffected
- Verify movement no longer causes signal loss at the intended resolution
- Verify the phone registers and the PC receives the employee scope while guests remain isolated
- Verify text edges become sharp while interface size remains usable
Explanation
Correct Answer
D:
Verify text edges become sharp while interface size remains usable. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that a new monitor's text appears soft because the operating system outputs 1366x768 to a 1920x1080 panel. The support goal is to correct resolution and scaling without treating blur as pixel hardware failure; this validate action specifically addresses wrong screen resolution and scaling without confusing a different subsystem.
Incorrect Answers
A:
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 wrong screen resolution and scaling instead.
B:
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 wrong screen resolution and scaling instead.
C:
Verify the phone registers and the PC receives the employee scope while guests remain isolated. This 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 wrong screen resolution and scaling instead.
Question 451
A support request at Crescent Operations presents this problem: A laptop can ping 8.8.8.8 but cannot open a business website by its domain name. The desired outcome is to troubleshoot name resolution separately from basic routed network access. 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?
- Renew a test client's lease after repairing the permitted DHCP relay
- Test one authorized phone-and-PC desk port with corrected tagged and untagged VLANs
- Use a certified spare patch cable and run a non-destructive cable wiremap test
- Resolve an approved internal hostname from a test client using the corrected DNS server
Explanation
Correct Answer
D:
Resolve an approved internal hostname from a test client using the corrected DNS server. It tests the proposed solution safely on an approved representative system. The relevant observation is that a laptop can ping 8.8.8.8 but cannot open a business website by its domain name. The support goal is to troubleshoot name resolution separately from basic routed network access; this pilot action specifically addresses dns failure with working ip connectivity without confusing a different subsystem.
Incorrect Answers
A:
Renew a test client's lease after repairing the permitted DHCP relay. This 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.
B:
Test one authorized phone-and-PC desk port with corrected tagged and untagged VLANs. This 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:
Use a certified spare patch cable and run a non-destructive cable wiremap test. This action is appropriate for copper ethernet link flapping, normally when a workstation loses Ethernet connection whenever its patch lead is bent. Here the observed facts require dns failure with working ip connectivity instead.
Question 452
A support request at Bluefin Logistics presents this problem: A workstation has a valid IPv4 address, gateway and lease but cannot reach services by hostname. The supporting record states that direct access by approved service IP works while DNS queries time out. The desired outcome is to separate name resolution failures from IP address provisioning. The goal is to restore required function without creating a new security or safety problem. What should the technician recommend as the corrective approach?
- Create a scoped DHCP reservation for the printer MAC instead of relying on an exclusion as an assignment
- Repair the DNS server or client DNS setting rather than rebuilding the DHCP address pool
- Deploy an appropriate load balancer with health probes for the supported service
- Configure an approved reachable NTP source for network devices while retaining centralized syslog
Explanation
Correct Answer
B:
Repair the DNS server or client DNS setting rather than rebuilding the DHCP address pool. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that direct access by approved service IP works while DNS queries time out. The support goal is to separate name resolution failures from IP address provisioning; this design action specifically addresses dns resolution versus dhcp address assignment without confusing a different subsystem.
Incorrect Answers
A:
Create a scoped DHCP reservation for the printer MAC instead of relying on an exclusion as an assignment. 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 dns resolution versus dhcp address assignment instead.
C:
Deploy an appropriate load balancer with health probes for the supported service. That 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 dns resolution versus dhcp address assignment instead.
D:
Configure an approved reachable NTP source for network devices while retaining centralized syslog. That 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 resolution versus dhcp address assignment instead.
Question 453
At Beacon Group, a technician working in hardware and network incident triage identifies this issue: 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 observation would verify successful service restoration?
- Verify stable charging without pressure or unusual heat
- Verify mobile data works within coverage while Wi-Fi remains optional
- Verify internal brightness returns while external video remains unaffected
- Verify overnight consumption falls without breaking required work synchronization
Explanation
Correct Answer
D:
Verify overnight consumption falls without breaking required work synchronization. It proves the required function with an observable result instead of assuming the change worked. 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 validate action specifically addresses background app mobile battery drain without confusing a different subsystem.
Incorrect Answers
A:
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 background app mobile battery drain instead.
B:
Verify mobile data works within coverage while Wi-Fi remains optional. This action is appropriate for mobile data failure due to disabled cellular, normally when a smartphone can browse over Wi-Fi but cannot connect to the internet when leaving the office. Here the observed facts require background app mobile battery drain instead.
C:
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 background app mobile battery drain instead.
Question 454
At Pioneer Markets, a technician working in branch networking support identifies this issue: A clinic has a lobby wireless network and teleworkers, requiring isolation plus encrypted access. The desired outcome is to separate local network segmentation requirements from remote encrypted connectivity. The technician must document observations separately from assumptions. Which inspection most directly confirms the likely cause before changing components?
- Inspect application health checks, backend pool membership and where client requests enter
- Inspect MX priority and targets separately from SPF TXT policy and mail service availability
- Inspect local broadcast domains, SSID mappings and remote-access traffic path
- Inspect DHCP scope, existing leases and printer hardware MAC
Explanation
Correct Answer
C:
Inspect local broadcast domains, SSID mappings and remote-access traffic path. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that a clinic has a lobby wireless network and teleworkers, requiring isolation plus encrypted access. The support goal is to separate local network segmentation requirements from remote encrypted connectivity; this diagnose action specifically addresses vlan segmentation versus vpn encrypted tunneling without confusing a different subsystem.
Incorrect Answers
A:
Inspect application health checks, backend pool membership and where client requests enter. 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 vlan segmentation versus vpn encrypted tunneling instead.
B:
Inspect MX priority and targets separately from SPF TXT policy and mail service availability. 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 vlan segmentation versus vpn encrypted tunneling instead.
D:
Inspect DHCP scope, existing leases and printer hardware MAC. 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 vlan segmentation versus vpn encrypted tunneling instead.
Question 455
At Lakeside Analytics, a technician working in hardware and network incident triage identifies this issue: A SATA HDD disappears occasionally despite healthy spin-up and no clear media errors. The supporting record states that drive connection logs show interface CRC errors after the PC was transported. The desired outcome is to distinguish data cabling problems from disk surface failure. The customer requires a verified fix rather than a guess based on one symptom. What should be tracked after the fix to maintain service reliability?
- Monitor rebuild progress and additional SMART failures
- Monitor link reset and CRC error trends after repairs
- Monitor recurring connector issues and dock port strain
- Monitor SMART warnings and backup success across endpoints
Explanation
Correct Answer
B:
Monitor link reset and CRC error trends after repairs. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that drive connection logs show interface CRC errors after the PC was transported. The support goal is to distinguish data cabling problems from disk surface failure; this monitor action specifically addresses intermittent sata cable data fault without confusing a different subsystem.
Incorrect Answers
A:
Monitor rebuild progress and additional SMART failures. That action is appropriate for degraded raid after a failed member, normally when a mirrored NAS reports one disk failed while files remain available. Here the observed facts require intermittent sata cable data fault instead.
C:
Monitor recurring connector issues and dock port strain. 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 intermittent sata cable data fault instead.
D:
Monitor SMART warnings and backup success across endpoints. That action is appropriate for s.m.a.r.t. warning and imminent drive failure, normally when a desktop disk reports increasing reallocated sectors and read retries. Here the observed facts require intermittent sata cable data fault instead.
Question 456
During Stonebridge Research's end-user troubleshooting, the technician encounters this condition: A point-of-sale thermal receipt device outputs blank receipts after an employee reverses the paper roll. The desired outcome is to diagnose thermal paper orientation rather than ink or toner depletion. The goal is to restore required function without creating a new security or safety problem. Which verification result supports the intended technical outcome?
- Verify stable operation without power-related resets at the specified load
- Verify cyan lines are continuous and color image banding is reduced
- Verify multiple pages feed without double picks or jams
- Verify dark print appears on the active coated side without consumable ink
Explanation
Correct Answer
D:
Verify dark print appears on the active coated side without consumable ink. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that a point-of-sale thermal receipt device outputs blank receipts after an employee reverses the paper roll. The support goal is to diagnose thermal paper orientation rather than ink or toner depletion; this validate action specifically addresses thermal printer paper orientation without confusing a different subsystem.
Incorrect Answers
A:
Verify stable operation without power-related resets at the specified load. This action is appropriate for psu instability under peak component load, normally when a machine passes idle checks but reboots when the GPU and CPU draw peak power together. Here the observed facts require thermal printer paper orientation instead.
B:
Verify cyan lines are continuous and color image banding is reduced. That 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 thermal printer paper orientation instead.
C:
Verify multiple pages feed without double picks or jams. That action is appropriate for laser printer repeated paper jams at pickup, normally when a laser printer jams on the first page when it tries to feed paper from tray 1. Here the observed facts require thermal printer paper orientation instead.
Question 457
On a service ticket for Seabright Supplies, the team observes: 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 safe pilot action gives the most relevant evidence?
- Restore a non-sensitive test backup to the new SSD and verify recovery-key retrieval in a controlled service workflow
- 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
- Have a trained technician isolate power and remove the swollen unit using manufacturer service steps
Explanation
Correct Answer
C:
On a powered-off service unit, reseat the antenna leads with the correct nonconductive tool. It tests the proposed solution safely on an approved representative system. 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 pilot action specifically addresses laptop wi-fi antenna reconnection without confusing a different subsystem.
Incorrect Answers
A:
Restore a non-sensitive test backup to the new SSD and verify recovery-key retrieval in a controlled service workflow. 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.
B:
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 laptop wi-fi antenna reconnection instead.
D:
Have a trained technician isolate power and remove the swollen unit using manufacturer service steps. 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 458
On a service ticket for Stonebridge Research, the team observes: A customer receives a fiber-to-the-premises service but attempts to connect the optical fiber directly to a DOCSIS cable modem. The supporting record states that the provider hands off optical PON through an optical network terminal. The desired outcome is to choose access equipment that terminates the actual carrier medium. 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 ONT optical alarms and WAN gateway status separately
- Monitor DNS response failures and incorrect DHCP DNS option deployment
- Monitor PoE overload events and added device power requirements
- Monitor default-gateway reachability and route changes
Explanation
Correct Answer
A:
Monitor ONT optical alarms and WAN gateway status separately. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that the provider hands off optical PON through an optical network terminal. The support goal is to choose access equipment that terminates the actual carrier medium; this monitor action specifically addresses ont versus cable modem access equipment without confusing a different subsystem.
Incorrect Answers
B:
Monitor DNS response failures and incorrect DHCP DNS option deployment. 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 ont versus cable modem access equipment instead.
C:
Monitor PoE overload events and added device power requirements. This action is appropriate for poe switch power budget, normally when new IP cameras power off when all connected access points and phones start at once. Here the observed facts require ont versus cable modem access equipment instead.
D:
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 ont versus cable modem access equipment instead.
Question 459
On a service ticket for Vertex Media, the team observes: A user hears repeated seek noises and sees a disk utility warning about pending bad sectors. The desired outcome is to treat failing disk health as a data protection issue before performance tuning. The customer requires a verified fix rather than a guess based on one symptom. Which controlled service test best evaluates the planned approach?
- Boot from a known-good test cable while leaving drive content unchanged
- Test the SSD in an approved NVMe-capable lab M.2 socket
- Restore a test file set to a replacement disk in an isolated recovery workflow
- Rehearse a RAID 1 rebuild with a disposable lab array and a spare disk
Explanation
Correct Answer
C:
Restore a test file set to a replacement disk in an isolated recovery workflow. It tests the proposed solution safely on an approved representative system. The relevant observation is that a user hears repeated seek noises and sees a disk utility warning about pending bad sectors. The support goal is to treat failing disk health as a data protection issue before performance tuning; this pilot action specifically addresses s.m.a.r.t. warning and imminent drive failure without confusing a different subsystem.
Incorrect Answers
A:
Boot from a known-good test cable while leaving drive content unchanged. This action is appropriate for intermittent sata cable data fault, normally when a SATA HDD disappears occasionally despite healthy spin-up and no clear media errors. Here the observed facts require s.m.a.r.t. warning and imminent drive failure instead.
B:
Test the SSD in an approved NVMe-capable lab M.2 socket. This action is appropriate for nvme ssd not detected after installation, normally when a new NVMe SSD is absent from firmware and the storage installer. Here the observed facts require s.m.a.r.t. warning and imminent drive failure instead.
D:
Rehearse a RAID 1 rebuild with a disposable lab array and a spare disk. This action is appropriate for degraded raid after a failed member, normally when a mirrored NAS reports one disk failed while files remain available. Here the observed facts require s.m.a.r.t. warning and imminent drive failure instead.
Question 460
During Riverlight Retail's workplace mobile support, the technician encounters this condition: A portable computer loses battery while attached to a cheap dock driving two 4K monitors. The desired outcome is to choose a dock meeting host charging and display requirements. The customer requires a verified fix rather than a guess based on one symptom. Which planned change most directly resolves the documented issue?
- Choose an active stylus certified for the device's digitizer protocol
- Select a compatible dock and power adapter with adequate charging wattage and video transport
- Grant the dispatch app only the location permission needed for its approved use
- Choose a supported video-capable port or active adapter instead of relying on connector shape
Explanation
Correct Answer
B:
Select a compatible dock and power adapter with adequate charging wattage and video transport. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that a portable computer loses battery while attached to a cheap dock driving two 4K monitors. The support goal is to choose a dock meeting host charging and display requirements; this design action specifically addresses docking station display and power capability without confusing a different subsystem.
Incorrect Answers
A:
Choose an active stylus certified for the device's digitizer protocol. This action is appropriate for active stylus digitizer compatibility, normally when a designer needs pen pressure and palm rejection on a convertible laptop. Here the observed facts require docking station display and power capability instead.
C:
Grant the dispatch app only the location permission needed for its approved use. This action is appropriate for location permission for navigation, normally when a dispatch app cannot show a user's current position on an otherwise connected smartphone. Here the observed facts require docking station display and power capability instead.
D:
Choose a supported video-capable port or active adapter instead of relying on connector shape. This action is appropriate for usb-c connector versus supported protocol, normally when a user assumes every laptop USB-C port can send video to a USB-C monitor. Here the observed facts require docking station display and power capability instead.
