CompTIA A+ Practice Test 6

A company needs to install network cabling that is resistant to electrical interference. Which type should they use?

A user reports that their internet is slow even though they have a fast connection. What network setting might be limiting their speed?

A technician is configuring a new SOHO router. What setting should they adjust to prevent unauthorized remote access?

A technician needs to connect two switches without using a router. What type of Ethernet cable should they use?

A technician needs to ensure the fastest wireless connection for streaming 4K video. What Wi-Fi standard should they use?

A company wants to segment different departments on the same network for security reasons. What feature should they use?

A technician is troubleshooting a slow Ethernet connection. The network switch supports Gigabit speeds, but the user’s connection is limited to 100Mbps. What is the most likely issue?

A technician is setting up a home router. Which wireless security protocol should be avoided due to vulnerabilities?

A technician needs to test the speed of a wired network connection. What command should they use in Windows?

A network administrator needs to extend a high-speed Ethernet connection beyond 100 meters. What is the best solution?

A technician is configuring a router and wants to prevent specific devices from accessing the network. What should they enable?

A technician is installing an access point that supports Wi-Fi 6. Which frequency bands will it operate on?

What type of connector is used for standard Ethernet cables?

A user complains about frequent network drops when using an Ethernet cable. What is the most likely cause?

A technician is setting up a Gigabit Ethernet connection. What is the minimum category of cable required?

What is the maximum length for a standard Ethernet cable before signal degradation occurs?

A company wants to future-proof its network with the highest possible wired speed. Which cable category should they install?

Which Ethernet cable category is required to support 10Gbps speeds at distances up to 55 meters?

A technician is troubleshooting a network issue and suspects a damaged Ethernet cable. What tool should they use?

A technician needs to run an Ethernet cable for a new office workstation. Which cable type would be best for minimizing interference in an industrial environment?

A technician is setting up a new laptop for a remote worker who needs secure access to the company’s network. The company uses a VPN with multi-factor authentication (MFA). Which steps should the technician take to configure the laptop for secure VPN access?

A user reports that their desktop PC’s USB ports stop working intermittently. The technician observes that the issue occurs when multiple USB devices are connected, and rebooting temporarily resolves it. Device Manager shows no errors. What is the most likely cause of the issue?

A technician is upgrading a workstation’s storage to support a database application requiring fast read/write speeds and high reliability. The budget allows for a single drive, and data redundancy is not required. Which storage type should the technician select?

A technician is configuring a SOHO network with a wireless access point (WAP) to support IoT devices on a separate SSID. The IoT devices use the 2.4 GHz band and require a specific channel to avoid interference. Which configuration should the technician implement on the WAP?

A user’s tablet is overheating when running a resource-intensive app. The technician confirms the device is updated, and no other apps are running. The tablet is used in a warm environment, and the case is non-ventilated. What should the technician recommend to mitigate the overheating?

A technician is troubleshooting a printer that produces faded prints, even after replacing the toner cartridge. The printer is a laser model, and the issue persists across multiple print jobs. What should the technician check next to resolve the issue?

A company is deploying a virtual machine (VM) on a technician’s workstation for software testing. The VM requires 16 GB of RAM and 4 CPU cores, but the workstation has only 8 GB of RAM and a dual-core CPU. What should the technician do to ensure the VM runs effectively?

A technician is installing a new motherboard in a desktop PC. After connecting all components, the system powers on, but there is no display, and no POST beep codes are heard. The technician verifies the CPU, RAM, and GPU are compatible and seated correctly. What is the most likely cause of the issue?

A small office is experiencing slow internet speeds on their wired network. The technician confirms the router’s WAN port is connected to a 1 Gbps ISP modem, but the LAN ports on the router are rated at 100 Mbps. What should the technician do to improve network performance?

A technician is setting up a docking station for a user’s laptop to connect multiple peripherals, including an external monitor, keyboard, and mouse. The laptop uses USB-C for docking, but the monitor fails to display. The technician confirms the docking station is powered and other peripherals work. What should the technician check first to resolve the monitor issue?

A technician is troubleshooting a desktop that fails to connect to a wired network. The Ethernet cable and switch port are confirmed functional, and the NIC’s link light is off. Device Manager shows no errors for the NIC, and drivers are up to date. What should the technician do next to diagnose the issue?

A technician is configuring a new workstation for a graphic designer requiring high-performance storage for large files. The budget allows for one storage device, and reliability is a priority. Which storage configuration should the technician choose?

A user reports that their tablet cannot send emails, but receiving emails and browsing the web work fine. The technician verifies the email app’s SMTP settings, including the correct server and port, but the issue persists. What should the technician check next to resolve the issue?

A technician is diagnosing a laptop with a dim display, even at maximum brightness settings. External monitor output works fine, and the display cable is securely connected. The technician suspects a hardware issue. What component is most likely causing the problem?

A company is migrating its on-premises file server to a cloud-based solution. The IT team needs to ensure users can access files securely from remote locations using their existing credentials. Which cloud service model and feature should the technician recommend?

A technician is troubleshooting a desktop that randomly shuts down during resource-intensive tasks. The CPU cooler is clean, and thermal paste is recently applied. System logs show no errors, but the technician notices the PSU is rated at 400W, while the system includes a high-end CPU and GPU. What is the most likely cause of the shutdowns?

A small business is setting up a SOHO network with a router, switch, and wireless access point. The technician needs to configure the router to assign IP addresses dynamically to devices while reserving a static IP for a network printer. Which configuration should the technician implement?

A technician is upgrading a desktop PC to improve gaming performance. The user wants to install a high-end GPU requiring a 750W power supply and PCIe 4.0 support. The current motherboard has a PCIe 3.0 x16 slot and a 500W PSU. What should the technician recommend to meet the user’s requirements?

A user reports that their smartphone cannot connect to the corporate Wi-Fi network, while other devices connect successfully. The technician verifies the SSID and password are correct, and the phone is within range. The network uses WPA3-Enterprise with 802.1X authentication. What is the most likely cause of the connection issue?

A technician is troubleshooting a laptop that fails to charge when plugged in. The power adapter is confirmed to work with another device, and the charging port appears undamaged. The technician suspects an issue with the internal power components. Which step should the technician take next to diagnose the issue?

A technician wants to ensure that a workstation can survive short power interruptions without rebooting.
Which solution BEST accomplishes this?

A user complains that their external monitor randomly loses signal when connected via HDMI, but the cable works on other systems.
What is the MOST likely cause?

A technician notices that a workstation cannot achieve expected network speeds even though link speed shows 1 Gbps.
What should be checked NEXT?

A user reports that their laptop shuts down when moved slightly while plugged in. Battery operation is stable.
What is the MOST likely cause?

A technician needs to prevent electromagnetic interference when running network cables near industrial equipment.
What should be used?

A printer prints multiple blank pages between each printed page. The toner level is normal.
What is the MOST likely cause?

A technician installs a PCIe NVMe adapter card, but the system cannot boot from the installed NVMe drive. The drive is detected in firmware.
What is the MOST likely reason?

A user reports that their laptop battery charges to 100% very quickly but only lasts 20 minutes unplugged.
What does this MOST likely indicate?

A technician needs to connect two switches directly without auto-MDI/MDIX support.
Which cable type is required?

A user complains that audio playback crackles only when a USB headset is connected through a docking station. Direct connection works fine.
What is the MOST likely cause?

A company wants to ensure laptops automatically rotate the display when switching between tablet and laptop mode.
Which component enables this feature?

A technician is diagnosing a system that shuts down abruptly with no warning. Event logs show no errors prior to shutdown.
What is the MOST likely cause?

A user wants to connect a workstation to a monitor that supports 144 Hz refresh rate at 1440p resolution.
Which connection is MOST appropriate?

A technician replaces a laptop keyboard and finds that several keys produce incorrect characters, even though the keyboard layout appears correct.
What should be checked NEXT?

A user reports that their workstation intermittently loses network connectivity when large files are transferred. The NIC does not disconnect, but throughput drops to near zero.
What is the MOST likely cause?

A technician notices that a laptop’s touchscreen registers touches inaccurately, especially near the edges. The display glass is intact.
What is the MOST likely cause?

A desktop system uses RAID 0 across two identical drives. One drive fails unexpectedly.
What is the immediate result?

A technician must connect a workstation to a switch located 90 meters away while maintaining gigabit speeds.
Which cable type is MOST appropriate?

A user complains that their laptop display appears dim even at maximum brightness, but an external monitor connected via HDMI displays normally.
What component is MOST likely failing?

A technician is repairing a modern laptop and needs to disconnect the battery before replacing internal components. The battery is internal and not user-removable.
What should the technician do FIRST to ensure safety?

A technician is asked to recommend a cable that supports both video output and power delivery to a docking station.
Which cable BEST meets this requirement?

A user wants to ensure that sensitive data on a failed hard drive cannot be recovered before disposal.
What is the BEST method?

A technician notices that USB devices stop functioning after the system enters sleep mode. Restarting restores functionality.
What is the MOST likely cause?

A system randomly freezes when under heavy load but passes all stress tests when idle.
What is the MOST likely cause?

A technician needs to connect a legacy monitor that only supports DVI-D to a modern graphics card with HDMI outputs.
What accessory is required?

A user reports that their webcam is not detected after a system update, but it worked previously.
What should be checked FIRST?

A workstation experiences high temperatures despite clean fans and proper airflow. Thermal paste has not been replaced in years.
What is the MOST likely cause?

A technician installs a new SSD, but the system does not recognize it during installation. The drive works in another system.
What should be checked FIRST?

A user complains that their display flickers only when the laptop lid is moved.
What component is MOST likely failing?

A laptop fails to power on, but the charging LED lights when the adapter is connected.
What is the MOST likely cause?

A technician is asked to configure a small office network so all wired devices can communicate but no routing is required.
Which device is MOST appropriate?

A printer frequently jams paper near the output tray. Internal components appear clean.
What is the MOST likely cause?

A technician notices that a system with a mechanical hard drive takes significantly longer to boot after a power outage.
What is the MOST likely reason?

A user wants to mirror a smartphone screen to a television without using cables. Both devices support modern wireless standards.
What technology BEST supports this?

A technician installs new RAM modules, but the system fails to boot until one module is removed. Both modules work individually.
What is the MOST likely cause?

A user reports that their wireless mouse occasionally freezes for a few seconds, then resumes normal operation. The batteries are new.
What is the MOST likely cause?

A workstation uses a PCIe expansion card that suddenly stops being detected after a system upgrade. The card worked previously.
What should be checked NEXT?

A technician needs to connect a smartphone to a PC to transfer photos and videos while also charging the device.
Which cable type BEST supports this requirement?

A desktop computer powers on, but there is no display output and no POST beeps. The fans spin normally.
What should the technician check FIRST?

A technician is deploying laptops that will frequently switch between wired Ethernet and Wi-Fi connections. Users report slow network access immediately after disconnecting from Ethernet.
What is the MOST likely cause?