CompTIA 220-1201 Practice Test 17
Question 160
At Evergreen Manufacturing, a technician working in computer equipment refresh identifies this issue: A PC technician believes moving the internal disk to first boot position is the same as enabling Secure Boot. The desired outcome is to distinguish boot selection priority from cryptographic boot validation. Service work must follow power isolation, ESD, and manufacturer instructions when applicable. What should the technician recommend as the corrective approach?
- Enable approved Secure Boot controls without assuming boot order provides signature checking
- Install the cooler with appropriate pressure and thermal interface material
- Select a listed compatible processor and cooling solution for the board
- Order a compatible SATA M.2 model or install into a supported NVMe PCIe slot
Explanation
Correct Answer
A:
Enable approved Secure Boot controls without assuming boot order provides signature checking. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that a PC technician believes moving the internal disk to first boot position is the same as enabling Secure Boot. The support goal is to distinguish boot selection priority from cryptographic boot validation; this design action specifically addresses uefi secure boot versus boot order without confusing a different subsystem.
Incorrect Answers
B:
Install the cooler with appropriate pressure and thermal interface material. This action is appropriate for cpu heatsink thermal interface, normally when a workstation reaches a thermal limit seconds after a cooler was replaced. Here the observed facts require uefi secure boot versus boot order instead.
C:
Select a listed compatible processor and cooling solution for the board. This 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 uefi secure boot versus boot order instead.
D:
Order a compatible SATA M.2 model or install into a supported NVMe PCIe slot. This action is appropriate for nvme pcie versus sata storage interface, normally when a technician orders an M.2 SSD for a motherboard slot that supports only SATA signaling. Here the observed facts require uefi secure boot versus boot order instead.
Question 161
During Seabright Supplies's branch networking support, the technician encounters this condition: 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. What should the technician recommend as the corrective approach?
- Allow approved SMB 445 between specified clients and the file server without opening remote desktop
- Permit the authorized DNS transport paths including TCP 53 without opening unrelated services
- Configure an approved reachable NTP source for network devices while retaining centralized syslog
- Restore DHCP server or relay reachability rather than assigning random static client addresses
Explanation
Correct Answer
B:
Permit the authorized DNS transport paths including TCP 53 without opening unrelated services. It corrects the documented cause using the compatible technology and support constraints. 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 design action specifically addresses dns service transport and port 53 without confusing a different subsystem.
Incorrect Answers
A:
Allow approved SMB 445 between specified clients and the file server without opening remote desktop. This 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:
Configure an approved reachable NTP source for network devices while retaining centralized syslog. 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:
Restore DHCP server or relay reachability rather than assigning random static client addresses. 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 dns service transport and port 53 instead.
Question 162
A support request at Acorn Foods presents this problem: A technician finds a compacted pocket-lint plug inside a handset charging receptacle. The desired outcome is to isolate a connector obstruction without damaging live charging contacts. A safe non-destructive test must be used before replacing additional parts. Which controlled service test best evaluates the planned approach?
- Compare a known-good cable before and after a controlled authorized port inspection
- Turn off Wi-Fi on a spare authorized test device and attempt a harmless network request
- Temporarily disable nonessential background activity for the suspect app on a test phone
- Resolve an approved internal hostname from a test client using the corrected DNS server
Explanation
Correct Answer
A:
Compare a known-good cable before and after a controlled authorized port inspection. It tests the proposed solution safely on an approved representative system. The relevant observation is that a technician finds a compacted pocket-lint plug inside a handset charging receptacle. The support goal is to isolate a connector obstruction without damaging live charging contacts; this pilot action specifically addresses mobile charging port debris without confusing a different subsystem.
Incorrect Answers
B:
Turn off Wi-Fi on a spare authorized test device and attempt a harmless network request. 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 mobile charging port debris instead.
C:
Temporarily disable nonessential background activity for the suspect app on a test phone. This 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 charging port debris instead.
D:
Resolve an approved internal hostname from a test client using the corrected DNS server. 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 mobile charging port debris instead.
Question 163
At Fountain Transport, a technician working in branch networking support identifies this issue: A security investigation cannot correlate firewall and switch events because their clocks disagree. The desired outcome is to identify the role of network time synchronization separate from log transport. The customer requires a verified fix rather than a guess based on one symptom. Which diagnostic check best distinguishes the relevant fault?
- Compare device time zones, NTP peers, drift, and syslog timestamps
- Inspect application health checks, backend pool membership and where client requests enter
- Inspect local broadcast domains, SSID mappings and remote-access traffic path
- Compare DHCP lease options, configured DNS server, and forward lookup results
Explanation
Correct Answer
A:
Compare device time zones, NTP peers, drift, and syslog timestamps. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that a security investigation cannot correlate firewall and switch events because their clocks disagree. The support goal is to identify the role of network time synchronization separate from log transport; this diagnose action specifically addresses ntp time service versus centralized syslog without confusing a different subsystem.
Incorrect Answers
B:
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 ntp time service versus centralized syslog instead.
C:
Inspect local broadcast domains, SSID mappings and remote-access traffic path. This action is appropriate for vlan segmentation versus vpn encrypted tunneling, normally when a small office needs guest Wi-Fi isolated from payroll devices but also needs secure remote employee access. Here the observed facts require ntp time service versus centralized syslog instead.
D:
Compare DHCP lease options, configured DNS server, and forward lookup results. This action is appropriate for dns resolution versus dhcp address assignment, normally when a workstation has a valid IPv4 address, gateway and lease but cannot reach services by hostname. Here the observed facts require ntp time service versus centralized syslog instead.
Question 164
On a service ticket for Falcon Transit, the team observes: A shared printer is reachable on the network but user jobs accumulate in an offline queue. The supporting record states that the client print queue points to an obsolete IP address after the printer's DHCP lease changed. The desired outcome is to restore the print queue target without replacing the working printer. The technician must document observations separately from assumptions. Which safe pilot action gives the most relevant evidence?
- Feed a short set of labeled test media in the proper orientation
- Test several sheets from tray 1 after a supported roller service
- Run one controlled cleaning cycle and print a nozzle verification pattern
- Send a harmless test print after correcting the queue target
Explanation
Correct Answer
D:
Send a harmless test print after correcting the queue target. It tests the proposed solution safely on an approved representative system. The relevant observation is that the client print queue points to an obsolete IP address after the printer's DHCP lease changed. The support goal is to restore the print queue target without replacing the working printer; this pilot action specifically addresses printer offline queue despite network availability without confusing a different subsystem.
Incorrect Answers
A:
Feed a short set of labeled test media in the proper orientation. This action is appropriate for thermal printer paper orientation, normally when a shipping label printer feeds paper but produces completely blank labels. Here the observed facts require printer offline queue despite network availability instead.
B:
Test several sheets from tray 1 after a supported roller service. This 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 printer offline queue despite network availability instead.
C:
Run one controlled cleaning cycle and print a nozzle verification pattern. This action is appropriate for inkjet horizontal banding and nozzle obstruction, normally when an inkjet photo printer produces blank horizontal stripes in cyan images. Here the observed facts require printer offline queue despite network availability instead.
Question 165
On a service ticket for Vertex Media, the team observes: A school has long corridors needing range and crowded labs requiring high-capacity wireless access. The desired outcome is to choose bands according to range and interference rather than assuming one is always superior. The technician must document observations separately from assumptions. Which controlled service test best evaluates the planned approach?
- Sketch a hypothetical watch-to-phone, office switch, and remote-site circuit topology
- Tap a test badge at the documented NFC distance and pair a test headset via Bluetooth
- Pilot client roaming and throughput measurements on both bands in the actual locations
- Pilot association with one certified 6 GHz client and one older 5 GHz-only client
Explanation
Correct Answer
C:
Pilot client roaming and throughput measurements on both bands in the actual locations. It tests the proposed solution safely on an approved representative system. The relevant observation is that a school has long corridors needing range and crowded labs requiring high-capacity wireless access. The support goal is to choose bands according to range and interference rather than assuming one is always superior; this pilot action specifically addresses 2.4 ghz versus 5 ghz wi-fi trade-offs without confusing a different subsystem.
Incorrect Answers
A:
Sketch a hypothetical watch-to-phone, office switch, and remote-site circuit topology. 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 2.4 ghz versus 5 ghz wi-fi trade-offs instead.
B:
Tap a test badge at the documented NFC distance and pair a test headset via Bluetooth. This action is appropriate for nfc short-range tap versus bluetooth pairing, normally when a checkout kiosk must read a contactless badge at a few centimeters, not stream audio across a room. Here the observed facts require 2.4 ghz versus 5 ghz wi-fi trade-offs instead.
D:
Pilot association with one certified 6 GHz client and one older 5 GHz-only client. This 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 2.4 ghz versus 5 ghz wi-fi trade-offs instead.
Question 166
At Summit Media, a technician working in computer equipment refresh identifies this issue: 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 should be tracked after the fix to maintain service reliability?
- Monitor optical attenuation and connector contamination
- Monitor patrol reads, failed drives and rebuild exposure
- Monitor renegotiation to fallback modes after dock or firmware changes
- Monitor new drive purchases for overlooked slot protocol differences
Explanation
Correct Answer
C:
Monitor renegotiation to fallback modes after dock or firmware changes. It tracks recurrence of the specific failure mechanism over time. 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 monitor action specifically addresses usb-c versus thunderbolt port capability without confusing a different subsystem.
Incorrect Answers
A:
Monitor optical attenuation and connector contamination. This action is appropriate for single-mode versus multimode fiber, normally when a campus backbone spans several kilometers between buildings and requires high throughput. Here the observed facts require usb-c versus thunderbolt port capability instead.
B:
Monitor patrol reads, failed drives and rebuild exposure. 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.
D:
Monitor new drive purchases for overlooked slot protocol differences. This action is appropriate for nvme pcie versus sata storage interface, normally when a technician orders an M.2 SSD for a motherboard slot that supports only SATA signaling. Here the observed facts require usb-c versus thunderbolt port capability instead.
Question 167
On a service ticket for Bluefin Logistics, the team observes: A new router comes with a legacy wireless security mode that corporate policy prohibits. The desired outcome is to configure wireless authentication matching modern supported clients and documented business exceptions. Only approved service procedures and compatible replacement components may be used. Which post-repair signal best detects regression or repeat exposure?
- Monitor link outages, packet loss and uplink utilization
- Watch newly added APs for weak encryption fallback
- Monitor recurring APIPA events after router restarts
- Monitor incorrect static gateways and rogue DHCP options
Explanation
Correct Answer
B:
Watch newly added APs for weak encryption fallback. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that a new router comes with a legacy wireless security mode that corporate policy prohibits. The support goal is to configure wireless authentication matching modern supported clients and documented business exceptions; this monitor action specifically addresses soho wireless wpa security setup without confusing a different subsystem.
Incorrect Answers
A:
Monitor link outages, packet loss and uplink utilization. This 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 soho wireless wpa security setup instead.
C:
Monitor recurring APIPA events after router restarts. That action is appropriate for apipa 169.254.x.x missing dhcp lease, normally when a SOHO laptop automatically assigns itself 169.254.42.19 with a 255.255.0.0 mask. Here the observed facts require soho wireless wpa security setup instead.
D:
Monitor incorrect static gateways and rogue DHCP options. That action is appropriate for ipv4 subnet mask and gateway selection, normally when a small office workstation has 192.168.10.80/24 and a gateway incorrectly set to 192.168.11.1. Here the observed facts require soho wireless wpa security setup instead.
Question 168
On a service ticket for Silverline Travel, the team observes: A branch resolver answers ordinary UDP name queries but large signed responses fail. The supporting record states that the firewall permits UDP 53 while blocking TCP 53 between clients and the resolver. The desired outcome is to recognize that DNS may require both UDP and TCP transport on port 53. Service work must follow power isolation, ESD, and manufacturer instructions when applicable. Which verification result supports the intended technical outcome?
- Confirm the response succeeds over TCP 53 while ordinary UDP resolution continues
- Verify the client receives an address, gateway and DNS options from the correct scope
- Verify mapping succeeds for authorized users while unrelated users remain denied
- Verify credentials are not transmitted in cleartext and authorized commands work
Explanation
Correct Answer
A:
Confirm the response succeeds over TCP 53 while ordinary UDP resolution continues. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that the firewall permits UDP 53 while blocking TCP 53 between clients and the resolver. The support goal is to recognize that DNS may require both UDP and TCP transport on port 53; this validate action specifically addresses dns service transport and port 53 without confusing a different subsystem.
Incorrect Answers
B:
Verify the client receives an address, gateway and DNS options from the correct scope. 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 dns service transport and port 53 instead.
C:
Verify mapping succeeds for authorized users while unrelated users remain denied. This 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.
D:
Verify credentials are not transmitted in cleartext and authorized commands work. This action is appropriate for ssh encrypted administration instead of telnet, normally when an administrator needs secure terminal access to a managed switch over an untrusted support network. Here the observed facts require dns service transport and port 53 instead.
Question 169
On a service ticket for Crescent Operations, the team observes: A mobile user needs low-latency storage and shock resistance but a procurement request specifies a 5400 RPM hard disk. The supporting record states that a supported SSD slot is available with the correct SATA interface. The desired outcome is to choose a solid-state storage device for random-access latency and portability. User data and business service continuity must be preserved. Which verification result supports the intended technical outcome?
- Verify the volume remains accessible in degraded mode and rebuilds after replacement
- Verify drive detection and intended interface performance without forcing a mismatched module
- Verify data remains readable in degraded mode and rebuild procedures are documented
- Verify improved access latency and acceptable write endurance for the workload
Explanation
Correct Answer
D:
Verify improved access latency and acceptable write endurance for the workload. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that a supported SSD slot is available with the correct SATA interface. The support goal is to choose a solid-state storage device for random-access latency and portability; this validate action specifically addresses ssd versus hdd latency and interface without confusing a different subsystem.
Incorrect Answers
A:
Verify the volume remains accessible in degraded mode and rebuilds after replacement. This action is appropriate for raid 1 mirror capacity and resilience, normally when a file server has two equal 2 TB disks and needs redundancy against one disk failure. Here the observed facts require ssd versus hdd latency and interface instead.
B:
Verify drive detection and intended interface performance without forcing a mismatched module. This action is appropriate for nvme pcie versus sata storage interface, normally when a technician orders an M.2 SSD for a motherboard slot that supports only SATA signaling. Here the observed facts require ssd versus hdd latency and interface instead.
C:
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 ssd versus hdd latency and interface instead.
Question 170
At Juniper Tech, a technician working in cloud and desktop infrastructure review identifies this issue: A trainer wants to run a Linux guest inside Windows for an afternoon workshop. The desired outcome is to choose a hosted virtualization approach suitable for local test development. A safe non-destructive test must be used before replacing additional parts. What observation would verify successful service restoration?
- Verify the application runs in its container while kernel version comes from the host
- Confirm the VM can be isolated and removed without reinstalling the laptop host
- Verify guest machines start without depending on an interactive desktop host OS
- Verify the 64-bit guest starts normally without host instability
Explanation
Correct Answer
B:
Confirm the VM can be isolated and removed without reinstalling the laptop host. It proves the required function with an observable result instead of assuming the change worked. The relevant observation is that a trainer wants to run a Linux guest inside Windows for an afternoon workshop. The support goal is to choose a hosted virtualization approach suitable for local test development; this validate action specifically addresses hosted type 2 virtualization for testing without confusing a different subsystem.
Incorrect Answers
A:
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 hosted type 2 virtualization for testing instead.
C:
Verify guest machines start without depending on an interactive desktop host OS. 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 hosted type 2 virtualization for testing instead.
D:
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 hosted type 2 virtualization for testing instead.
