CompTIA 220-1201 Practice Test 84
Question 830
On a service ticket for Seabright Supplies, the team observes: 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. Which inspection most directly confirms the likely cause before changing components?
- Confirm provider handoff, optical or coaxial medium and customer Ethernet demarcation
- Map connected endpoints, geography and link boundaries for each example
- Inspect measured upload and download speeds, latency and local service eligibility
- Inspect channel utilization, RSSI and channel overlap in the affected room
Explanation
Correct Answer
C:
Inspect measured upload and download speeds, latency and local service eligibility. It checks the likely failure boundary before altering working parts or settings. 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 diagnose action specifically addresses fiber wan versus dsl last-mile capacity without confusing a different subsystem.
Incorrect Answers
A:
Confirm provider handoff, optical or coaxial medium and customer Ethernet demarcation. 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.
B:
Map connected endpoints, geography and link boundaries for each example. 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.
D:
Inspect channel utilization, RSSI and channel overlap in the affected room. 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.
Question 831
A support request at Riverlight Retail presents this problem: A help desk wants to troubleshoot crowded 2.4 GHz airspace but only has a wired network tap. The desired outcome is to use an RF analysis tool for interference assessment rather than wired packet capture. The goal is to restore required function without creating a new security or safety problem. Which planned change most directly resolves the documented issue?
- Use a cable tester for conductor mapping and a toner/probe to locate an unidentified cable
- Deploy an appropriate load balancer with health probes for the supported service
- Use a Wi-Fi analyzer to select a cleaner channel and appropriate channel width
- Allow approved SMB 445 between specified clients and the file server without opening remote desktop
Explanation
Correct Answer
C:
Use a Wi-Fi analyzer to select a cleaner channel and appropriate channel width. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that a help desk wants to troubleshoot crowded 2.4 GHz airspace but only has a wired network tap. The support goal is to use an RF analysis tool for interference assessment rather than wired packet capture; this design action specifically addresses wi-fi analyzer versus network tap without confusing a different subsystem.
Incorrect Answers
A:
Use a cable tester for conductor mapping and a toner/probe to locate an unidentified cable. That 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 wi-fi analyzer versus network tap instead.
B:
Deploy an appropriate load balancer with health probes for the supported service. 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 wi-fi analyzer versus network tap instead.
D:
Allow approved SMB 445 between specified clients and the file server without opening remote desktop. 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 wi-fi analyzer versus network tap instead.
Question 832
On a service ticket for Acorn Foods, the team observes: A newly upgraded desktop beeps at startup and shows no BIOS screen. The supporting record states that the motherboard manual maps this particular repeated pattern to a graphics initialization problem. The desired outcome is to use manufacturer POST codes to narrow the failing hardware subsystem. Any configuration change must be reversible and validated on a controlled test device. Which planned change most directly resolves the documented issue?
- Replace the failed cooling fan and correct airflow or thermal interface as indicated
- Reseat or replace the confirmed graphics card rather than assuming every beep means bad RAM
- Replace an undersized PSU with a compatible adequately rated unit
- Set native resolution with suitable display scaling for text size
Explanation
Correct Answer
B:
Reseat or replace the confirmed graphics card rather than assuming every beep means bad RAM. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that the motherboard manual maps this particular repeated pattern to a graphics initialization problem. The support goal is to use manufacturer POST codes to narrow the failing hardware subsystem; this design action specifically addresses post beep code interpretation and expansion-card isolation without confusing a different subsystem.
Incorrect Answers
A:
Replace the failed cooling fan and correct airflow or thermal interface as indicated. 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.
C:
Replace an undersized PSU with a compatible adequately rated unit. 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.
D:
Set native resolution with suitable display scaling for text size. This action is appropriate for wrong screen resolution and scaling, normally when a user complains that desktop text is blurry after changing to a nonnative display resolution. Here the observed facts require post beep code interpretation and expansion-card isolation instead.
Question 833
A support request at Westbrook Energy presents this problem: 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 should be tracked after the fix to maintain service reliability?
- Monitor cross-tenant access alerts and changes to service tenancy configuration
- Monitor scaling oscillation, capacity limits and cost spikes
- Monitor cross-environment data flow and newly unauthorized public exposure
- Monitor egress spikes and unexpected synchronization jobs
Explanation
Correct Answer
B:
Monitor scaling oscillation, capacity limits and cost spikes. It tracks recurrence of the specific failure mechanism over time. 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 monitor action specifically addresses cloud elasticity versus fixed provisioning without confusing a different subsystem.
Incorrect Answers
A:
Monitor cross-tenant access alerts and changes to service tenancy configuration. 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:
Monitor cross-environment data flow and newly unauthorized public exposure. 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.
D:
Monitor egress spikes and unexpected synchronization jobs. 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.
Question 834
During Vertex Media's hardware and network incident triage, the technician encounters this condition: Printed laser pages have a dark stripe repeated at the same distance down each sheet. The supporting record states that the cartridge is full but the imaging drum surface shows visible defects. The desired outcome is to identify imaging drum defects instead of wasting printer network troubleshooting time. Only approved service procedures and compatible replacement components may be used. What observation would verify successful service restoration?
- Verify repeated marks are gone across consecutive pages
- Verify queued and new jobs print and the queue reports the device online
- Verify cyan lines are continuous and color image banding is reduced
- Verify multiple pages feed without double picks or jams
Explanation
Correct Answer
A:
Verify repeated marks are gone across consecutive pages. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that the cartridge is full but the imaging drum surface shows visible defects. The support goal is to identify imaging drum defects instead of wasting printer network troubleshooting time; this validate action specifically addresses laser repeated streaks from drum defect without confusing a different subsystem.
Incorrect Answers
B:
Verify queued and new jobs print and the queue reports the device online. This action is appropriate for printer offline queue despite network availability, normally when a shared printer is reachable on the network but user jobs accumulate in an offline queue. Here the observed facts require laser repeated streaks from drum defect instead.
C:
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 laser repeated streaks from drum defect instead.
D:
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 laser repeated streaks from drum defect instead.
Question 835
A support request at Summit Media presents this problem: An employee assumes any phone-style USB-C lead provides the bandwidth of a Thunderbolt SSD enclosure. The desired outcome is to determine host and cable protocol support rather than assuming a USB-C shape is sufficient. The technician must document observations separately from assumptions. What observation would verify successful service restoration?
- Verify the negotiated link and measured transfer rate match the supported mode
- Confirm the optical receive power and link speed meet both transceiver specifications
- Verify drive detection and intended interface performance without forcing a mismatched module
- Verify data remains readable in degraded mode and rebuild procedures are documented
Explanation
Correct Answer
A:
Verify the negotiated link and measured transfer rate match the supported mode. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that an employee assumes any phone-style USB-C lead provides the bandwidth of a Thunderbolt SSD enclosure. The support goal is to determine host and cable protocol support rather than assuming a USB-C shape is sufficient; this validate action specifically addresses usb-c versus thunderbolt port capability without confusing a different subsystem.
Incorrect Answers
B:
Confirm the optical receive power and link speed meet both transceiver specifications. That action is appropriate for single-mode versus multimode fiber, normally when a campus backbone spans several kilometers between buildings and requires high throughput. Here the observed facts require usb-c versus thunderbolt port capability instead.
C:
Verify drive detection and intended interface performance without forcing a mismatched module. That action is appropriate for nvme pcie versus sata storage interface, normally when a technician orders an M.2 SSD for a motherboard slot that supports only SATA signaling. Here the observed facts require usb-c versus thunderbolt port capability instead.
D:
Verify data remains readable in degraded mode and rebuild procedures are documented. This action is appropriate for raid 5 versus raid 6 dual parity, normally when a four-disk production array must remain available during any two simultaneous drive failures. Here the observed facts require usb-c versus thunderbolt port capability instead.
Question 836
At Westbrook Energy, a technician working in laptop and mobile device repair identifies this issue: A company phone has cellular signal bars but cannot attach to its assigned business data plan. The supporting record states that the mobile carrier issued a new eSIM activation profile that has not been installed. The desired outcome is to provision the correct cellular subscriber identity before troubleshooting Wi-Fi. User data and business service continuity must be preserved. Which planned change most directly resolves the documented issue?
- Install the authorized eSIM profile and select the correct plan for cellular data
- Use available app-level protection policies for corporate data instead of assuming whole-device ownership
- Grant the dispatch app only the location permission needed for its approved use
- Configure both clients to use the approved corporate calendar and contacts service
Explanation
Correct Answer
A:
Install the authorized eSIM profile and select the correct plan for cellular data. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that the mobile carrier issued a new eSIM activation profile that has not been installed. The support goal is to provision the correct cellular subscriber identity before troubleshooting Wi-Fi; this design action specifically addresses mobile esim carrier activation without confusing a different subsystem.
Incorrect Answers
B:
Use available app-level protection policies for corporate data instead of assuming whole-device ownership. That action is appropriate for byod mobile application management, normally when staff use personally owned phones to read corporate mail but refuse full device enrollment. Here the observed facts require mobile esim carrier activation 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 mobile esim carrier activation instead.
D:
Configure both clients to use the approved corporate calendar and contacts service. That 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 mobile esim carrier activation instead.
Question 837
A support request at Aster Systems presents this problem: A web service needs requests distributed across three application servers with failed nodes removed automatically. The supporting record states that the existing forward proxy serves outbound employee browsing and does not balance inbound app requests. The desired outcome is to choose the appropriate network service for distributing application traffic. The customer requires a verified fix rather than a guess based on one symptom. Which verification result supports the intended technical outcome?
- Confirm each segment is classified by scope rather than the brand of equipment
- Verify hostname access returns while the assigned IP lease remains unchanged
- Verify healthy nodes continue serving requests and unhealthy nodes leave rotation
- Verify independent device logs use consistent event times after synchronization
Explanation
Correct Answer
C:
Verify healthy nodes continue serving requests and unhealthy nodes leave rotation. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that the existing forward proxy serves outbound employee browsing and does not balance inbound app requests. The support goal is to choose the appropriate network service for distributing application traffic; this validate action specifically addresses load balancer versus proxy server functions without confusing a different subsystem.
Incorrect Answers
A:
Confirm each segment is classified by scope rather than the brand of equipment. 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 load balancer versus proxy server functions instead.
B:
Verify hostname access returns while the assigned IP lease remains unchanged. That 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 load balancer versus proxy server functions instead.
D:
Verify independent device logs use consistent event times after synchronization. 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 load balancer versus proxy server functions instead.
Question 838
During Northland Labs's end-user troubleshooting, the technician encounters this condition: 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 verification result supports the intended technical outcome?
- Verify movement no longer causes signal loss at the intended resolution
- Verify stable operation without power-related resets at the specified load
- Verify POST and video return without the suspect expansion card
- Verify CPU temperature and fan speed stay within specified operating limits
Explanation
Correct Answer
C:
Verify POST and video return without the suspect expansion card. It proves the required function with an observable result instead of assuming the change worked. 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 validate action specifically addresses post beep code interpretation and expansion-card isolation 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 post beep code interpretation and expansion-card isolation instead.
B:
Verify stable operation without power-related resets at the specified load. 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.
D:
Verify CPU temperature and fan speed stay within specified operating limits. 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.
Question 839
A support request at Brookside Agency presents this problem: An employee can use Teams on office wireless but loses connectivity in the parking lot due to a cellular data toggle. The desired outcome is to distinguish cellular configuration from a working Wi-Fi connection. User data and business service continuity must be preserved. Which inspection most directly confirms the likely cause before changing components?
- Inspect channel use, signal strength, client retries and non-Wi-Fi interference sources
- Inspect the port for lint, bent pins, moisture indicator and cable seating with power disconnected
- Inspect per-app usage, background refresh, radio activity and battery health metrics
- Check cellular toggle, SIM or eSIM provisioning, airplane mode and signal state
Explanation
Correct Answer
D:
Check cellular toggle, SIM or eSIM provisioning, airplane mode and signal state. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that an employee can use Teams on office wireless but loses connectivity in the parking lot due to a cellular data toggle. The support goal is to distinguish cellular configuration from a working Wi-Fi connection; this diagnose action specifically addresses mobile data failure due to disabled cellular without confusing a different subsystem.
Incorrect Answers
A:
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 mobile data failure due to disabled cellular instead.
B:
Inspect the port for lint, bent pins, moisture indicator and cable seating with power disconnected. That action is appropriate for mobile charging port debris, normally when a phone charges intermittently only when its USB-C plug is held at an angle. Here the observed facts require mobile data failure due to disabled cellular instead.
C:
Inspect per-app usage, background refresh, radio activity and battery health metrics. That action is appropriate for background app mobile battery drain, normally when a business phone loses most of its battery overnight despite a healthy battery test. Here the observed facts require mobile data failure due to disabled cellular instead.
Question 840
On a service ticket for Clearwater Telecom, the team observes: A field worker's Bluetooth earbuds keep reconnecting to a phone instead of a nearby notebook. The desired outcome is to pair the intended audio accessory without erasing unrelated device settings. Only approved service procedures and compatible replacement components may be used. Which inspection most directly confirms the likely cause before changing components?
- Check the laptop service manual, slot type, DDR generation, supported capacity and speed
- Check the convertible's active pen standard and supported pressure or hover features
- Check headset pairing mode, existing connections, Bluetooth visibility and adapter status
- Check device and cable specifications for DisplayPort Alternate Mode, Thunderbolt or USB4 video support
Explanation
Correct Answer
C:
Check headset pairing mode, existing connections, Bluetooth visibility and adapter status. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that a field worker's Bluetooth earbuds keep reconnecting to a phone instead of a nearby notebook. The support goal is to pair the intended audio accessory without erasing unrelated device settings; this diagnose action specifically addresses bluetooth headset pairing without confusing a different subsystem.
Incorrect Answers
A:
Check the laptop service manual, slot type, DDR generation, supported capacity and speed. This 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 bluetooth headset pairing instead.
B:
Check the convertible's active pen standard and supported pressure or hover features. That 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 bluetooth headset pairing instead.
D:
Check device and cable specifications for DisplayPort Alternate Mode, Thunderbolt or USB4 video support. That 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 bluetooth headset pairing instead.
