CompTIA 220-1201 Practice Test 62
Question 610
A support request at Cedar Education presents this problem: A developer proposes a full Windows guest for each Linux microservice despite a supported container runtime. The desired outcome is to identify containers versus full operating-system VMs for application packaging. 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?
- Start a harmless container on a lab host and inspect the shared kernel version
- Run a safe synthetic load curve in an isolated test service to trigger scale out and back in
- Create a disposable VM and verify host and guest can run concurrently
- Open a test virtual desktop session from a thin client over a controlled network
Explanation
Correct Answer
A:
Start a harmless container on a lab host and inspect the shared kernel version. It tests the proposed solution safely on an approved representative system. The relevant observation is that a developer proposes a full Windows guest for each Linux microservice despite a supported container runtime. The support goal is to identify containers versus full operating-system VMs for application packaging; this pilot action specifically addresses container isolation versus full virtual machine without confusing a different subsystem.
Incorrect Answers
B:
Run a safe synthetic load curve in an isolated test service to trigger scale out and back in. This action is appropriate for cloud elasticity versus fixed provisioning, normally when an online storefront sees traffic triple for two hours and then fall back to normal. Here the observed facts require container isolation versus full virtual machine instead.
C:
Create a disposable VM and verify host and guest can run concurrently. This action is appropriate for hosted type 2 virtualization for testing, normally when a help desk engineer needs an isolated test operating system on an existing laptop. Here the observed facts require container isolation versus full virtual machine instead.
D:
Open a test virtual desktop session from a thin client over a controlled network. This action is appropriate for vdi versus local desktop processing, normally when a company wants centrally managed user desktops accessed from inexpensive endpoints. Here the observed facts require container isolation versus full virtual machine instead.
Question 611
On a service ticket for Crescent Operations, the team observes: A checkout kiosk must read a contactless badge at a few centimeters, not stream audio across a room. The supporting record states that the badge reader uses near-field communication while Bluetooth headphones require their own pairing process. The desired outcome is to match NFC and Bluetooth to their intended interaction distance and purpose. Any configuration change must be reversible and validated on a controlled test device. Which configuration or repair action best addresses the stated requirement?
- Provide compatible 2.4 or 5 GHz access for older clients and use 6 GHz only for capable devices
- Use NFC for intentional close-range taps and Bluetooth for separately paired personal peripherals
- Provide a suitable router or Layer 3 routing function with permitted inter-subnet paths
- Use the band and channel plan that balances coverage with capacity, favoring clear 5 GHz channels for dense nearby clients
Explanation
Correct Answer
B:
Use NFC for intentional close-range taps and Bluetooth for separately paired personal peripherals. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that the badge reader uses near-field communication while Bluetooth headphones require their own pairing process. The support goal is to match NFC and Bluetooth to their intended interaction distance and purpose; this design action specifically addresses nfc short-range tap versus bluetooth pairing without confusing a different subsystem.
Incorrect Answers
A:
Provide compatible 2.4 or 5 GHz access for older clients and use 6 GHz only for capable devices. That action is appropriate for 6 ghz wi-fi client compatibility, normally when a new 6 GHz SSID is invisible to several laptops even though 5 GHz works. Here the observed facts require nfc short-range tap versus bluetooth pairing instead.
C:
Provide a suitable router or Layer 3 routing function with permitted inter-subnet paths. 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 nfc short-range tap versus bluetooth pairing instead.
D:
Use the band and channel plan that balances coverage with capacity, favoring clear 5 GHz channels for dense nearby clients. 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 nfc short-range tap versus bluetooth pairing instead.
Question 612
On a service ticket for Pioneer Markets, the team observes: Two same-shaped modular PSU plugs have different wiring assignments even though they latch into place. The desired outcome is to avoid unsafe cross-vendor modular PSU cable substitution. Only approved service procedures and compatible replacement components may be used. Which post-repair signal best detects regression or repeat exposure?
- Monitor repairs involving mixed PSU cables and connector heat
- Monitor PSU voltage alarms and future expansion power requirements
- Monitor individual PSU health and power source independence
- Monitor touch dead zones and accidental touch events after repairs
Explanation
Correct Answer
A:
Monitor repairs involving mixed PSU cables and connector heat. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that two same-shaped modular PSU plugs have different wiring assignments even though they latch into place. The support goal is to avoid unsafe cross-vendor modular PSU cable substitution; this monitor action specifically addresses modular psu cable safety without confusing a different subsystem.
Incorrect Answers
B:
Monitor PSU voltage alarms and future expansion power requirements. That action is appropriate for psu wattage and 20+4 atx connector, normally when a desktop upgrade adds a high-power GPU and the PC abruptly powers off during intensive graphics workloads. Here the observed facts require modular psu cable safety instead.
C:
Monitor individual PSU health and power source independence. That action is appropriate for redundant psu failover, normally when an office server needs to stay online when one power supply module fails. Here the observed facts require modular psu cable safety instead.
D:
Monitor touch dead zones and accidental touch events after repairs. This action is appropriate for digitizer input versus backlight inverter, normally when a convertible LCD image is visible but finger touches no longer register at a specific region. Here the observed facts require modular psu cable safety instead.
Question 613
During Orchard Services's end-user troubleshooting, the technician encounters this condition: A CAD workstation shuts down during rendering while its case exhaust fan barely spins. The desired outcome is to find the heat-removal fault causing thermal shutdown. Any configuration change must be reversible and validated on a controlled test device. What should the technician verify first to establish the problem?
- Correlate reboot timing with power demand and inspect PSU rating and connector seating
- Check the outlet, power strip, cord, PSU input switch and known-good source
- Check the exact board beep code table, GPU seating and required GPU power
- Inspect temperature telemetry, fan RPM, airflow blockage and heatsink contact
Explanation
Correct Answer
D:
Inspect temperature telemetry, fan RPM, airflow blockage and heatsink contact. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that a CAD workstation shuts down during rendering while its case exhaust fan barely spins. The support goal is to find the heat-removal fault causing thermal shutdown; this diagnose action specifically addresses cpu overheat from failed fan without confusing a different subsystem.
Incorrect Answers
A:
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 cpu overheat from failed fan instead.
B:
Check the outlet, power strip, cord, PSU input switch and known-good source. This action is appropriate for completely dead desktop power path, normally when a tower PC has no LEDs, fans, or POST activity after the user changed power outlets. Here the observed facts require cpu overheat from failed fan instead.
C:
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 cpu overheat from failed fan instead.
Question 614
During Juniper Tech's end-user troubleshooting, the technician encounters this condition: A small office sees wireless packet loss during lunch when nearby microwaves and overlapping APs are active. The desired outcome is to resolve radio interference before increasing wired internet capacity. Service work must follow power isolation, ESD, and manufacturer instructions when applicable. Which controlled service test best evaluates the planned approach?
- Swap only the display cable on a known-good test monitor
- Pilot an alternate AP channel in a safe window while measuring client retry rate
- Test one authorized phone-and-PC desk port with corrected tagged and untagged VLANs
- Resolve an approved internal hostname from a test client using the corrected DNS server
Explanation
Correct Answer
B:
Pilot an alternate AP channel in a safe window while measuring client retry rate. It tests the proposed solution safely on an approved representative system. The relevant observation is that a small office sees wireless packet loss during lunch when nearby microwaves and overlapping APs are active. The support goal is to resolve radio interference before increasing wired internet capacity; this pilot action specifically addresses intermittent wi-fi due to channel interference without confusing a different subsystem.
Incorrect Answers
A:
Swap only the display cable on a known-good test monitor. 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 wi-fi due to channel interference instead.
C:
Test one authorized phone-and-PC desk port with corrected tagged and untagged VLANs. 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 intermittent wi-fi due to channel interference instead.
D:
Resolve an approved internal hostname from a test client using the corrected DNS server. That 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 intermittent wi-fi due to channel interference instead.
Question 615
During Orchard Services's small-office network service desk, the technician encounters this condition: A technician must classify a Bluetooth watch connection, office Ethernet and multi-site leased link. The supporting record states that the links cover personal-device distance, building network and geographically separated offices respectively. The desired outcome is to identify network categories from distance and administrative scope. User data and business service continuity must be preserved. Which controlled service test best evaluates the planned approach?
- Renew the printer lease in a lab subnet after applying its reservation
- Test representative file transfers through a trial fiber connection within provider limits
- Test ping between subnets through an approved router after confirming local switching
- Sketch a hypothetical watch-to-phone, office switch, and remote-site circuit topology
Explanation
Correct Answer
D:
Sketch a hypothetical watch-to-phone, office switch, and remote-site circuit topology. It tests the proposed solution safely on an approved representative system. The relevant observation is that the links cover personal-device distance, building network and geographically separated offices respectively. The support goal is to identify network categories from distance and administrative scope; this pilot action specifically addresses pan versus lan versus wan scope without confusing a different subsystem.
Incorrect Answers
A:
Renew the printer lease in a lab subnet after applying its reservation. 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 pan versus lan versus wan scope instead.
B:
Test representative file transfers through a trial fiber connection within provider limits. That action is appropriate for fiber wan versus dsl last-mile capacity, normally when a remote design office regularly transfers multi-gigabyte files and can order either fiber or DSL. Here the observed facts require pan versus lan versus wan scope instead.
C:
Test ping between subnets through an approved router after confirming local switching. That 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 pan versus lan versus wan scope instead.
Question 616
On a service ticket for Granite Capital, the team observes: A company wants centrally managed user desktops accessed from inexpensive endpoints. The supporting record states that user sessions must run inside a hosted datacenter platform and persist per supported policy. The desired outcome is to choose Virtual Desktop Infrastructure rather than local OS installations. User data and business service continuity must be preserved. Which acceptance result best demonstrates the issue is resolved?
- Verify work executes on the hosted desktop and user policy is enforced centrally
- Verify the application runs in its container while kernel version comes from the host
- Verify the 64-bit guest starts normally without host instability
- Verify rollback works but also confirm independent recovery after simulated host loss
Explanation
Correct Answer
A:
Verify work executes on the hosted desktop and user policy is enforced centrally. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that user sessions must run inside a hosted datacenter platform and persist per supported policy. The support goal is to choose Virtual Desktop Infrastructure rather than local OS installations; this validate action specifically addresses vdi versus local desktop processing without confusing a different subsystem.
Incorrect Answers
B:
Verify the application runs in its container while kernel version comes from the host. This action is appropriate for container isolation versus full virtual machine, normally when a team needs to package one web service and its dependencies but not another complete guest kernel. Here the observed facts require vdi versus local desktop processing instead.
C:
Verify the 64-bit guest starts normally without host instability. 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 vdi versus local desktop processing instead.
D:
Verify rollback works but also confirm independent recovery after simulated host loss. This action is appropriate for vm snapshot versus independent backup, normally when a developer calls a local VM snapshot a complete disaster recovery backup. Here the observed facts require vdi versus local desktop processing instead.
Question 617
A support request at Amberline Finance presents this problem: A workstation reaches a thermal limit seconds after a cooler was replaced. The supporting record states that the heat sink was not firmly fastened and the thermal interface compound was omitted. The desired outcome is to restore reliable heat transfer from the processor to its cooling assembly. Service work must follow power isolation, ESD, and manufacturer instructions when applicable. Which post-repair signal best detects regression or repeat exposure?
- Monitor remaining SSD health and firmware updates
- Monitor CPU temperature excursions and fan failures after service
- Monitor BIOS updates affecting supported processor lists
- Monitor unauthorized changes to boot trust keys and firmware boot entries
Explanation
Correct Answer
B:
Monitor CPU temperature excursions and fan failures after service. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that the heat sink was not firmly fastened and the thermal interface compound was omitted. The support goal is to restore reliable heat transfer from the processor to its cooling assembly; this monitor action specifically addresses cpu heatsink thermal interface without confusing a different subsystem.
Incorrect Answers
A:
Monitor remaining SSD health and firmware updates. This action is appropriate for ssd versus hdd latency and interface, normally when a mobile user needs low-latency storage and shock resistance but a procurement request specifies a 5400 RPM hard disk. Here the observed facts require cpu heatsink thermal interface instead.
C:
Monitor BIOS updates affecting supported processor lists. That action is appropriate for cpu socket matching motherboard, normally when a gaming PC has a motherboard with an AMD processor socket but an Intel CPU was ordered. Here the observed facts require cpu heatsink thermal interface instead.
D:
Monitor unauthorized changes to boot trust keys and firmware boot entries. That action is appropriate for uefi secure boot versus boot order, normally when a laptop can start a trusted OS but prompts when an unsigned bootloader is inserted. Here the observed facts require cpu heatsink thermal interface instead.
Question 618
On a service ticket for Harborworks, the team observes: An administrator needs secure terminal access to a managed switch over an untrusted support network. The supporting record states that the current remote management procedure uses unencrypted Telnet on TCP 23. The desired outcome is to choose encrypted terminal management over a cleartext terminal protocol. Only approved service procedures and compatible replacement components may be used. What should support monitor to catch a recurrence of the same failure?
- Monitor VLAN trunk policy and remote VPN session errors as distinct controls
- Monitor failed SSH logins and unexpected re-enablement of Telnet
- Monitor DNS truncation, TCP retries and firewall denial logs
- Monitor lease pool depletion and DHCP relay failures
Explanation
Correct Answer
B:
Monitor failed SSH logins and unexpected re-enablement of Telnet. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that the current remote management procedure uses unencrypted Telnet on TCP 23. The support goal is to choose encrypted terminal management over a cleartext terminal protocol; this monitor action specifically addresses ssh encrypted administration instead of telnet without confusing a different subsystem.
Incorrect Answers
A:
Monitor VLAN trunk policy and remote VPN session errors as distinct controls. 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 ssh encrypted administration instead of telnet instead.
C:
Monitor DNS truncation, TCP retries and firewall denial logs. This 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.
D:
Monitor lease pool depletion and DHCP relay failures. 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 ssh encrypted administration instead of telnet instead.
Question 619
On a service ticket for Northland Labs, the team observes: A firewall allows remote desktop to a Windows server but staff cannot browse its shared project folder. The desired outcome is to identify the protocol and port needed for Windows file share access. Only approved service procedures and compatible replacement components may be used. Which diagnostic check best distinguishes the relevant fault?
- Inspect channel utilization, RSSI and channel overlap in the affected room
- Compare effective TCP 445 connectivity, SMB service state and share authorization
- Review the blocked query sizes, truncated-response flag and firewall rules for UDP and TCP 53
- Inspect UDP 68 client requests, UDP 67 server responses and relay configuration across the VLAN
Explanation
Correct Answer
B:
Compare effective TCP 445 connectivity, SMB service state and share authorization. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that a firewall allows remote desktop to a Windows server but staff cannot browse its shared project folder. The support goal is to identify the protocol and port needed for Windows file share access; this diagnose action specifically addresses smb file sharing port versus rdp without confusing a different subsystem.
Incorrect Answers
A:
Inspect channel utilization, RSSI and channel overlap in the affected room. 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 smb file sharing port versus rdp instead.
C:
Review the blocked query sizes, truncated-response flag and firewall rules for UDP and TCP 53. This 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.
D:
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 smb file sharing port versus rdp instead.
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.
