CompTIA 220-1201 Practice Test 94
Question 930
On a service ticket for Northland Labs, the team observes: A PC emits a defined VGA fault beep sequence after a graphics card was installed. The desired outcome is to use manufacturer POST codes to narrow the failing hardware subsystem. The goal is to restore required function without creating a new security or safety problem. Which diagnostic check best distinguishes the relevant fault?
- Check the exact board beep code table, GPU seating and required GPU power
- Correlate reboot timing with power demand and inspect PSU rating and connector seating
- Inspect temperature telemetry, fan RPM, airflow blockage and heatsink contact
- Check cable damage, connector strain, monitor input selection and GPU outputs
Explanation
Correct Answer
A:
Check the exact board beep code table, GPU seating and required GPU power. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that a PC emits a defined VGA fault beep sequence after a graphics card was installed. The support goal is to use manufacturer POST codes to narrow the failing hardware subsystem; this diagnose action specifically addresses post beep code interpretation and expansion-card isolation without confusing a different subsystem.
Incorrect Answers
B:
Correlate reboot timing with power demand and inspect PSU rating and connector seating. That 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 post beep code interpretation and expansion-card isolation instead.
C:
Inspect temperature telemetry, fan RPM, airflow blockage and heatsink contact. That 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 post beep code interpretation and expansion-card isolation instead.
D:
Check cable damage, connector strain, monitor input selection and GPU outputs. 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 post beep code interpretation and expansion-card isolation instead.
Question 931
On a service ticket for Cedar Education, the team observes: A phone's USB-C charging port cannot drive a desktop display despite matching the cable plug. The desired outcome is to differentiate connector shape from electrical and protocol capabilities. A safe non-destructive test must be used before replacing additional parts. Which configuration or repair action best addresses the stated requirement?
- Disconnect the former host if required and put the headset into manufacturer pairing mode
- Select a compatible dock and power adapter with adequate charging wattage and video transport
- Choose a supported video-capable port or active adapter instead of relying on connector shape
- Reconnect the correct antenna lead and route cables away from hinge pinch points
Explanation
Correct Answer
C:
Choose a supported video-capable port or active adapter instead of relying on connector shape. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that a phone's USB-C charging port cannot drive a desktop display despite matching the cable plug. The support goal is to differentiate connector shape from electrical and protocol capabilities; this design action specifically addresses usb-c connector versus supported protocol without confusing a different subsystem.
Incorrect Answers
A:
Disconnect the former host if required and put the headset into manufacturer pairing mode. That action is appropriate for bluetooth headset pairing, normally when a wireless headset pairs with a tablet but does not appear on a new laptop's device discovery list. Here the observed facts require usb-c connector versus supported protocol instead.
B:
Select a compatible dock and power adapter with adequate charging wattage and video transport. That action is appropriate for docking station display and power capability, normally when a small-business employee connects two monitors and power to a laptop through a new USB-C dock. Here the observed facts require usb-c connector versus supported protocol instead.
D:
Reconnect the correct antenna lead and route cables away from hinge pinch points. This 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 usb-c connector versus supported protocol instead.
Question 932
On a service ticket for Westbrook Energy, the team observes: An online storefront sees traffic triple for two hours and then fall back to normal. The supporting record states that the chosen cloud platform supports automatically adding and removing application capacity by demand. The desired outcome is to recognize elasticity as capacity adjustment to changing utilization. Service work must follow power isolation, ESD, and manufacturer instructions when applicable. What observation would verify successful service restoration?
- Verify one tenant cannot view the other's data without assuming the physical servers are dedicated
- Verify instances increase under load and decrease after demand subsides
- Verify the cost estimate distinguishes outbound billed traffic from storage capacity
- Verify the stated legacy service stays private while the public component communicates only over approved paths
Explanation
Correct Answer
B:
Verify instances increase under load and decrease after demand subsides. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that the chosen cloud platform supports automatically adding and removing application capacity by demand. The support goal is to recognize elasticity as capacity adjustment to changing utilization; this validate action specifically addresses cloud elasticity versus fixed provisioning without confusing a different subsystem.
Incorrect Answers
A:
Verify one tenant cannot view the other's data without assuming the physical servers are dedicated. That action is appropriate for multitenancy versus dedicated cloud resources, normally when an organization uses a SaaS platform shared with several customer organizations. Here the observed facts require cloud elasticity versus fixed provisioning instead.
C:
Verify the cost estimate distinguishes outbound billed traffic from storage capacity. This action is appropriate for metered cloud ingress and egress costs, normally when an organization expects to store modest data in cloud storage but regularly exports terabytes to an on-premises analytics platform. Here the observed facts require cloud elasticity versus fixed provisioning instead.
D:
Verify the stated legacy service stays private while the public component communicates only over approved paths. That action is appropriate for public versus private versus hybrid cloud, normally when an enterprise must keep one legacy regulatory workload in its own datacenter while scaling an unrelated web front end in a public provider. Here the observed facts require cloud elasticity versus fixed provisioning instead.
Question 933
At Seabright Supplies, a technician working in branch networking support identifies this issue: A resolver fails zone transfers and large responses because only DNS UDP traffic is permitted. The desired outcome is to recognize that DNS may require both UDP and TCP transport on port 53. The customer requires a verified fix rather than a guess based on one symptom. Which post-repair signal best detects regression or repeat exposure?
- Monitor SMB connection failures and excessive port 445 exposure
- Monitor DNS truncation, TCP retries and firewall denial logs
- Monitor NTP offset, source reachability and logger ingestion separately
- Monitor lease pool depletion and DHCP relay failures
Explanation
Correct Answer
B:
Monitor DNS truncation, TCP retries and firewall denial logs. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that a resolver fails zone transfers and large responses because only DNS UDP traffic is permitted. The support goal is to recognize that DNS may require both UDP and TCP transport on port 53; this monitor action specifically addresses dns service transport and port 53 without confusing a different subsystem.
Incorrect Answers
A:
Monitor SMB connection failures and excessive port 445 exposure. That action is appropriate for smb file sharing port versus rdp, normally when a user can ping a shared Windows file server but cannot map a network share. Here the observed facts require dns service transport and port 53 instead.
C:
Monitor NTP offset, source reachability and logger ingestion separately. This action is appropriate for ntp time service versus centralized syslog, normally when authentication logs from two branch routers show conflicting timestamps during the same event. Here the observed facts require dns service transport and port 53 instead.
D:
Monitor lease pool depletion and DHCP relay failures. That action is appropriate for dhcp client and server port roles, normally when a new PC never receives an IPv4 lease on its office VLAN. Here the observed facts require dns service transport and port 53 instead.
Question 934
During Amberline Finance's cloud and desktop infrastructure review, the technician encounters this condition: 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 safe pilot action gives the most relevant evidence?
- Boot a disposable guest after enabling the feature on a lab system
- Take a test snapshot then restore it while testing separate backup recovery
- Start a harmless container on a lab host and inspect the shared kernel version
- Install a test bare-metal hypervisor on approved compatible lab server hardware
Explanation
Correct Answer
B:
Take a test snapshot then restore it while testing separate backup recovery. It tests the proposed solution safely on an approved representative system. 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 pilot action specifically addresses vm snapshot versus independent backup without confusing a different subsystem.
Incorrect Answers
A:
Boot a disposable guest after enabling the feature on a lab system. 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.
C:
Start a harmless container on a lab host and inspect the shared kernel version. 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.
D:
Install a test bare-metal hypervisor on approved compatible lab server hardware. 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.
Question 935
At Monarch Pharmacy, a technician working in laptop and mobile device repair identifies this issue: A field technician wants to add RAM to a serviceable laptop that currently uses DDR4 SODIMMs. The supporting record states that the proposed upgrade is a full-sized DDR5 DIMM intended for a desktop board. The desired outcome is to select physically and electrically compatible mobile memory. User data and business service continuity must be preserved. Which configuration or repair action best addresses the stated requirement?
- Back up and verify recoverability before replacing with a compatible SSD and re-enabling supported encryption
- Specify a supported DDR4 SODIMM of the correct capacity instead of desktop or different-generation modules
- Reconnect the correct antenna lead and route cables away from hinge pinch points
- Use the device's physical privacy shutter or supported hardware camera switch for guaranteed local blocking
Explanation
Correct Answer
B:
Specify a supported DDR4 SODIMM of the correct capacity instead of desktop or different-generation modules. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that the proposed upgrade is a full-sized DDR5 DIMM intended for a desktop board. The support goal is to select physically and electrically compatible mobile memory; this design action specifically addresses laptop sodimm compatibility without confusing a different subsystem.
Incorrect Answers
A:
Back up and verify recoverability before replacing with a compatible SSD and re-enabling supported encryption. That 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 sodimm compatibility instead.
C:
Reconnect the correct antenna lead and route cables away from hinge pinch points. 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 laptop sodimm compatibility instead.
D:
Use the device's physical privacy shutter or supported hardware camera switch for guaranteed local blocking. This action is appropriate for physical webcam privacy hardware, normally when a corporate laptop's camera indicator comes on during meetings even when the user thinks video is disabled. Here the observed facts require laptop sodimm compatibility instead.
Question 936
During Crescent Operations's workplace mobile support, the technician encounters this condition: A service desk receives a tablet whose back cover is separating beside the battery compartment. The desired outcome is to remove the battery hazard safely without puncturing the cells. User data and business service continuity must be preserved. How should the solution first be tested on an approved spare or pilot system?
- Test the camera preview with the shutter closed and reopened on an authorized test laptop
- On a powered-off service unit, reseat the antenna leads with the correct nonconductive tool
- Restore a non-sensitive test backup to the new SSD and verify recovery-key retrieval in a controlled service workflow
- Have a trained technician isolate power and remove the swollen unit using manufacturer service steps
Explanation
Correct Answer
D:
Have a trained technician isolate power and remove the swollen unit using manufacturer service steps. It tests the proposed solution safely on an approved representative system. The relevant observation is that a service desk receives a tablet whose back cover is separating beside the battery compartment. The support goal is to remove the battery hazard safely without puncturing the cells; this pilot action specifically addresses swollen laptop battery replacement without confusing a different subsystem.
Incorrect Answers
A:
Test the camera preview with the shutter closed and reopened on an authorized test laptop. This action is appropriate for physical webcam privacy hardware, normally when a corporate laptop's camera indicator comes on during meetings even when the user thinks video is disabled. Here the observed facts require swollen laptop battery replacement 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 swollen laptop battery replacement instead.
C:
Restore a non-sensitive test backup to the new SSD and verify recovery-key retrieval in a controlled service workflow. That 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 swollen laptop battery replacement instead.
Question 937
A support request at Granite Capital presents this problem: A high-end PC unexpectedly restarts only when a new graphics card is heavily used. The desired outcome is to differentiate load-related power failure from random OS application crashes. Service work must follow power isolation, ESD, and manufacturer instructions when applicable. Which post-repair signal best detects regression or repeat exposure?
- Monitor firmware resets and missing boot entries
- Track power event logs and thermal or electrical excursions
- Monitor new POST codes or display initialization failures after component changes
- Monitor new memory errors and recurrence after the chassis is moved
Explanation
Correct Answer
B:
Track power event logs and thermal or electrical excursions. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that a high-end PC unexpectedly restarts only when a new graphics card is heavily used. The support goal is to differentiate load-related power failure from random OS application crashes; this monitor action specifically addresses psu instability under peak component load without confusing a different subsystem.
Incorrect Answers
A:
Monitor firmware resets and missing boot entries. This action is appropriate for uefi boot order after a second drive, normally when a computer reports no bootable operating system after a new secondary drive was added. Here the observed facts require psu instability under peak component load instead.
C:
Monitor new POST codes or display initialization failures after component changes. 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.
D:
Monitor new memory errors and recurrence after the chassis is moved. 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.
Question 938
A support request at Maplebank Ltd presents this problem: A team budgets only for virtual machine hours and is surprised by recurring outbound data-transfer charges. The desired outcome is to account for measured usage and egress charges in cloud cost design. A safe non-destructive test must be used before replacing additional parts. Which safe pilot action gives the most relevant evidence?
- Compare a synthetic month of uploads and downloads using published provider rates
- Test authorized isolation between two synthetic SaaS tenant accounts
- Pilot a private-to-public integration in a controlled test network
- Install a test bare-metal hypervisor on approved compatible lab server hardware
Explanation
Correct Answer
A:
Compare a synthetic month of uploads and downloads using published provider rates. It tests the proposed solution safely on an approved representative system. The relevant observation is that a team budgets only for virtual machine hours and is surprised by recurring outbound data-transfer charges. The support goal is to account for measured usage and egress charges in cloud cost design; this pilot action specifically addresses metered cloud ingress and egress costs without confusing a different subsystem.
Incorrect Answers
B:
Test authorized isolation between two synthetic SaaS tenant accounts. That action is appropriate for multitenancy versus dedicated cloud resources, normally when an organization uses a SaaS platform shared with several customer organizations. Here the observed facts require metered cloud ingress and egress costs instead.
C:
Pilot a private-to-public integration in a controlled test network. That action is appropriate for public versus private versus hybrid cloud, normally when an enterprise must keep one legacy regulatory workload in its own datacenter while scaling an unrelated web front end in a public provider. Here the observed facts require metered cloud ingress and egress costs instead.
D:
Install a test bare-metal hypervisor on approved compatible lab server hardware. 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 metered cloud ingress and egress costs instead.
Question 939
A support request at Seabright Supplies presents this problem: A remote design office regularly transfers multi-gigabyte files and can order either fiber or DSL. The supporting record states that the existing copper DSL has far lower upload performance than the offered symmetric fiber plan. The desired outcome is to select an ISP connection type according to real throughput and availability. Only approved service procedures and compatible replacement components may be used. What should the technician recommend as the corrective approach?
- Use a Wi-Fi analyzer to select a cleaner channel and appropriate channel width
- Use the provider-approved ONT for fiber access and connect a router to its supported handoff
- Label short-range personal devices PAN, building networking LAN and multi-site WAN appropriately
- Choose the suitable provisioned fiber plan when bidirectional transfer capacity is the dominant requirement
Explanation
Correct Answer
D:
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 the existing copper DSL has far lower upload performance than the offered symmetric fiber plan. 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:
Use a Wi-Fi analyzer to select a cleaner channel and appropriate channel width. 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 fiber wan versus dsl last-mile capacity instead.
B:
Use the provider-approved ONT for fiber access and connect a router to its supported handoff. 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 fiber wan versus dsl last-mile capacity instead.
C:
Label short-range personal devices PAN, building networking LAN and multi-site WAN appropriately. 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 fiber wan versus dsl last-mile capacity instead.
Question 940
At Acorn Foods, a technician working in small-office network service desk identifies this issue: A user can ping a shared Windows file server but cannot map a network share. The supporting record states that a network rule permits RDP 3389 to the host but blocks SMB 445. The desired outcome is to identify the protocol and port needed for Windows file share access. A safe non-destructive test must be used before replacing additional parts. What observation would verify successful service restoration?
- Verify correct pin continuity and pair mapping after re-termination
- Verify the client receives an address, gateway and DNS options from the correct scope
- Confirm the response succeeds over TCP 53 while ordinary UDP resolution continues
- Verify mapping succeeds for authorized users while unrelated users remain denied
Explanation
Correct Answer
D:
Verify mapping succeeds for authorized users while unrelated users remain denied. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that a network rule permits RDP 3389 to the host but blocks SMB 445. The support goal is to identify the protocol and port needed for Windows file share access; this validate action specifically addresses smb file sharing port versus rdp without confusing a different subsystem.
Incorrect Answers
A:
Verify correct pin continuity and pair mapping after re-termination. This action is appropriate for cable tester versus toner and probe, normally when a technician must determine whether a terminated Ethernet run has crossed wires and split pairs. Here the observed facts require smb file sharing port versus rdp instead.
B:
Verify the client receives an address, gateway and DNS options from the correct scope. That action is appropriate for dhcp client and server port roles, normally when a new PC never receives an IPv4 lease on its office VLAN. Here the observed facts require smb file sharing port versus rdp instead.
C:
Confirm the response succeeds over TCP 53 while ordinary UDP resolution continues. 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 smb file sharing port versus rdp instead.
