CompTIA 220-1201 Practice Test 11
Question 100
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. What should support monitor to catch a recurrence of the same failure?
- Monitor lease pool depletion and DHCP relay failures
- Monitor SMB connection failures and excessive port 445 exposure
- Monitor DNS truncation, TCP retries and firewall denial logs
- Monitor wireless channel utilization and retransmission patterns
Explanation
Correct Answer
B:
Monitor SMB connection failures and excessive port 445 exposure. It tracks recurrence of the specific failure mechanism over time. 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 monitor action specifically addresses smb file sharing port versus rdp without confusing a different subsystem.
Incorrect Answers
A:
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 smb file sharing port versus rdp 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 smb file sharing port versus rdp instead.
D:
Monitor wireless channel utilization and retransmission patterns. 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.
Question 101
On a service ticket for Horizon College, the team observes: A small business wants a hosted database platform but not responsibility for patching the underlying database server OS. The supporting record states that the provider offers managed databases, raw virtual machines and a complete customer-facing business app. The desired outcome is to select a service model based on who manages runtime infrastructure. Any configuration change must be reversible and validated on a controlled test device. Which configuration or repair action best addresses the stated requirement?
- Select dedicated hosting only when explicitly required and otherwise verify tenant isolation controls
- Describe the combination as hybrid cloud rather than calling it wholly public or wholly private
- Choose appropriate PaaS managed database for the stated database-without-OS-maintenance requirement
- Configure supported autoscaling rules with limits for traffic-driven elasticity
Explanation
Correct Answer
C:
Choose appropriate PaaS managed database for the stated database-without-OS-maintenance requirement. It corrects the documented cause using the compatible technology and support constraints. The relevant observation is that the provider offers managed databases, raw virtual machines and a complete customer-facing business app. The support goal is to select a service model based on who manages runtime infrastructure; this design action specifically addresses iaas versus paas versus saas ownership without confusing a different subsystem.
Incorrect Answers
A:
Select dedicated hosting only when explicitly required and otherwise verify tenant isolation controls. This 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 iaas versus paas versus saas ownership instead.
B:
Describe the combination as hybrid cloud rather than calling it wholly public or wholly private. This 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 iaas versus paas versus saas ownership instead.
D:
Configure supported autoscaling rules with limits for traffic-driven elasticity. 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 iaas versus paas versus saas ownership instead.
Question 102
On a service ticket for Clearwater Telecom, the team observes: A gaming user buys a high-resolution screen but is disappointed that the interface still runs at 60 Hz. The desired outcome is to differentiate image pixel count from screen updates per second. The customer requires a verified fix rather than a guess based on one symptom. Which safe pilot action gives the most relevant evidence?
- Test touch coordinates with a supported calibration tool on a spare panel
- Set a test monitor first to its native resolution then to an available supported refresh rate
- View the same color test pattern from several angles on IPS and TN panels
- Test one authorized signed boot medium and one deliberately unsigned training medium
Explanation
Correct Answer
B:
Set a test monitor first to its native resolution then to an available supported refresh rate. It tests the proposed solution safely on an approved representative system. The relevant observation is that a gaming user buys a high-resolution screen but is disappointed that the interface still runs at 60 Hz. The support goal is to differentiate image pixel count from screen updates per second; this pilot action specifically addresses refresh rate versus screen resolution without confusing a different subsystem.
Incorrect Answers
A:
Test touch coordinates with a supported calibration tool on a spare panel. 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 refresh rate versus screen resolution instead.
C:
View the same color test pattern from several angles on IPS and TN panels. This action is appropriate for ips versus tn versus oled displays, normally when a graphic designer prioritizes consistent viewing angles and color accuracy over lowest display price. Here the observed facts require refresh rate versus screen resolution instead.
D:
Test one authorized signed boot medium and one deliberately unsigned training medium. This 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 refresh rate versus screen resolution instead.
Question 103
A support request at Silverline Travel presents this problem: 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 diagnostic check best distinguishes the relevant fault?
- Check whether SSH is enabled, which management port is reachable and whether Telnet remains allowed
- Compare effective TCP 445 connectivity, SMB service state and share authorization
- Inspect UDP 68 client requests, UDP 67 server responses and relay configuration across the VLAN
- Review the blocked query sizes, truncated-response flag and firewall rules for UDP and TCP 53
Explanation
Correct Answer
D:
Review the blocked query sizes, truncated-response flag and firewall rules for UDP and TCP 53. It checks the likely failure boundary before altering working parts or settings. 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 diagnose action specifically addresses dns service transport and port 53 without confusing a different subsystem.
Incorrect Answers
A:
Check whether SSH is enabled, which management port is reachable and whether Telnet remains allowed. 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.
B:
Compare effective TCP 445 connectivity, SMB service state and share authorization. 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:
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 dns service transport and port 53 instead.
Question 104
On a service ticket for Harborworks, the team observes: A hospital wants medical schedules printed only when a badge holder is physically at the device. The desired outcome is to protect printed documents at a shared device. The technician must document observations separately from assumptions. How should the solution first be tested on an approved spare or pilot system?
- Simulate a single disk failure in an isolated RAID 1 test array
- Print a controlled two-page sample from the target application
- Send a harmless test document and approach the printer without and then with the approved badge
- Print a test page after inserting a compatible toner cartridge in a powered-down service state
Explanation
Correct Answer
C:
Send a harmless test document and approach the printer without and then with the approved badge. It tests the proposed solution safely on an approved representative system. The relevant observation is that a hospital wants medical schedules printed only when a badge holder is physically at the device. The support goal is to protect printed documents at a shared device; this pilot action specifically addresses secure pull-print and release authentication without confusing a different subsystem.
Incorrect Answers
A:
Simulate a single disk failure in an isolated RAID 1 test array. 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 secure pull-print and release authentication instead.
B:
Print a controlled two-page sample from the target application. This action is appropriate for printer duplex and tray settings, normally when a network printer puts letter-size forms on the wrong paper and uses one-sided output. Here the observed facts require secure pull-print and release authentication instead.
D:
Print a test page after inserting a compatible toner cartridge in a powered-down service state. This action is appropriate for laser printer faded output and toner, normally when a monochrome laser printer produces uniformly faint pages after many high-volume print jobs. Here the observed facts require secure pull-print and release authentication instead.
Question 105
During Westbrook Energy's computer equipment refresh, the technician encounters this condition: A shop attempts to install an incompatible processor family because the advertised clock speed is similar. The desired outcome is to verify socket and chipset compatibility before installing a processor. Any configuration change must be reversible and validated on a controlled test device. What should be tracked after the fix to maintain service reliability?
- Monitor BIOS updates affecting supported processor lists
- Monitor touch dead zones and accidental touch events after repairs
- Monitor unauthorized changes to boot trust keys and firmware boot entries
- Monitor CPU temperature excursions and fan failures after service
Explanation
Correct Answer
A:
Monitor BIOS updates affecting supported processor lists. It tracks recurrence of the specific failure mechanism over time. The relevant observation is that a shop attempts to install an incompatible processor family because the advertised clock speed is similar. The support goal is to verify socket and chipset compatibility before installing a processor; this monitor action specifically addresses cpu socket matching motherboard without confusing a different subsystem.
Incorrect Answers
B:
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 cpu socket matching motherboard instead.
C:
Monitor unauthorized changes to boot trust keys and firmware boot entries. This 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 socket matching motherboard instead.
D:
Monitor CPU temperature excursions and fan failures after service. 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 cpu socket matching motherboard instead.
Question 106
A support request at Falcon Transit presents this problem: A technician tries to use headphone Bluetooth pairing steps to enroll an NFC employee access card. The desired outcome is to match NFC and Bluetooth to their intended interaction distance and purpose. The goal is to restore required function without creating a new security or safety problem. What should the technician recommend as the corrective approach?
- Use the band and channel plan that balances coverage with capacity, favoring clear 5 GHz channels for dense nearby clients
- 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
- Use a cable tester for conductor mapping and a toner/probe to locate an unidentified cable
Explanation
Correct Answer
C:
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 a technician tries to use headphone Bluetooth pairing steps to enroll an NFC employee access card. 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:
Use the band and channel plan that balances coverage with capacity, favoring clear 5 GHz channels for dense nearby clients. This 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.
B:
Provide compatible 2.4 or 5 GHz access for older clients and use 6 GHz only for capable devices. 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 nfc short-range tap versus bluetooth pairing instead.
D:
Use a cable tester for conductor mapping and a toner/probe to locate an unidentified cable. 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 nfc short-range tap versus bluetooth pairing instead.
Question 107
At Evergreen Manufacturing, a technician working in branch networking support identifies this issue: A customer portal slows because all traffic reaches one server while two identical servers sit idle. The desired outcome is to choose the appropriate network service for distributing application traffic. A safe non-destructive test must be used before replacing additional parts. Which acceptance result best demonstrates the issue is resolved?
- Verify healthy nodes continue serving requests and unhealthy nodes leave rotation
- Verify permitted inter-subnet traffic succeeds and disallowed networks remain isolated
- Verify independent device logs use consistent event times after synchronization
- Verify hostname access returns while the assigned IP lease remains unchanged
Explanation
Correct Answer
A:
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 a customer portal slows because all traffic reaches one server while two identical servers sit idle. 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
B:
Verify permitted inter-subnet traffic succeeds and disallowed networks remain isolated. 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 load balancer versus proxy server functions instead.
C:
Verify independent device logs use consistent event times after synchronization. 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 load balancer versus proxy server functions instead.
D:
Verify hostname access returns while the assigned IP lease remains unchanged. 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 load balancer versus proxy server functions instead.
Question 108
During Fountain Transport's branch networking support, the technician encounters this condition: 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 configuration or repair action best addresses the stated requirement?
- Configure an approved reachable NTP source for network devices while retaining centralized syslog
- Repair the DNS server or client DNS setting rather than rebuilding the DHCP address pool
- Create a separate guest VLAN with appropriate ACLs and a supported authenticated VPN for remote staff
- Deploy an appropriate load balancer with health probes for the supported service
Explanation
Correct Answer
A:
Configure an approved reachable NTP source for network devices while retaining centralized syslog. It corrects the documented cause using the compatible technology and support constraints. 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 design action specifically addresses ntp time service versus centralized syslog without confusing a different subsystem.
Incorrect Answers
B:
Repair the DNS server or client DNS setting rather than rebuilding the DHCP address pool. 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.
C:
Create a separate guest VLAN with appropriate ACLs and a supported authenticated VPN for remote staff. 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:
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 ntp time service versus centralized syslog instead.
Question 109
A support request at Acorn Foods presents this problem: A replacement RAM order has the correct capacity but the wrong DDR generation. The supporting record states that the motherboard's socket and memory controller only support DDR4, not DDR5. The desired outcome is to check memory generation and supported speeds before replacement. Service work must follow power isolation, ESD, and manufacturer instructions when applicable. What should the technician verify first to establish the problem?
- Inspect platform memory specifications, module notch positions and current timing
- Check usable capacity, minimum disk count and failure tolerance for RAID 5 and RAID 6
- Inspect motherboard slot shape and part type against service requirements
- Inspect CPU, motherboard and firmware ECC capabilities, not RAM label alone
Explanation
Correct Answer
A:
Inspect platform memory specifications, module notch positions and current timing. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that the motherboard's socket and memory controller only support DDR4, not DDR5. The support goal is to check memory generation and supported speeds before replacement; this diagnose action specifically addresses ddr generation electrical compatibility without confusing a different subsystem.
Incorrect Answers
B:
Check usable capacity, minimum disk count and failure tolerance for RAID 5 and RAID 6. 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 ddr generation electrical compatibility instead.
C:
Inspect motherboard slot shape and part type against service requirements. That action is appropriate for sodimm versus dimm form factor, normally when a desktop repair requires replacement memory but the spare part comes from a notebook. Here the observed facts require ddr generation electrical compatibility instead.
D:
Inspect CPU, motherboard and firmware ECC capabilities, not RAM label alone. That action is appropriate for ecc memory error correction compatibility, normally when a workstation used for scientific computation requires supported correction of single-bit RAM errors. Here the observed facts require ddr generation electrical compatibility instead.
Question 110
At Vertex Media, a technician working in laptop and mobile device repair identifies this issue: A user assumes every laptop USB-C port can send video to a USB-C monitor. The supporting record states that the port supports USB data and charging but not DisplayPort Alternate Mode. The desired outcome is to differentiate connector shape from electrical and protocol capabilities. The customer requires a verified fix rather than a guess based on one symptom. What should the technician verify first to establish the problem?
- Compare signed-in identity, calendar data source, sync permissions and last successful sync
- Check headset pairing mode, existing connections, Bluetooth visibility and adapter status
- Compare laptop USB-C video modes, dock Power Delivery wattage, and supported display count and resolution
- Check device and cable specifications for DisplayPort Alternate Mode, Thunderbolt or USB4 video support
Explanation
Correct Answer
D:
Check device and cable specifications for DisplayPort Alternate Mode, Thunderbolt or USB4 video support. It checks the likely failure boundary before altering working parts or settings. The relevant observation is that the port supports USB data and charging but not DisplayPort Alternate Mode. The support goal is to differentiate connector shape from electrical and protocol capabilities; this diagnose action specifically addresses usb-c connector versus supported protocol without confusing a different subsystem.
Incorrect Answers
A:
Compare signed-in identity, calendar data source, sync permissions and last successful sync. This action is appropriate for mobile calendar and contact synchronization, normally when a user's phone receives mail but calendar edits never appear on the company laptop. Here the observed facts require usb-c connector versus supported protocol instead.
B:
Check headset pairing mode, existing connections, Bluetooth visibility and adapter status. 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.
C:
Compare laptop USB-C video modes, dock Power Delivery wattage, and supported display count and resolution. 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.
