Topic 2: Exam Pool B
A technician is implementing a SOHO wireless solution with three access points. Which of the following actions would avoid high latency?
A. Enabling and configuring a 5GHz antenna
B. Configuring separate IP ranges
C. Enabling multiple SSIDs
D. Configuring all devices with different channels
Explanation: If a technician is implementing a SOHO wireless solution with three access points and wants to avoid high latency, the technician should configure all devices with different channels. By configuring all devices with different channels, the technician can ensure that the wireless signals from each access point do not interfere with each other, which can cause high latency.
A technician is diagnosing a workstation that shuts down unexpectedly during a butn-in test. Which of the following is the MOST likely cause for this symptom?
A. Faulty CMOS battery
B. OS update issue
C. Overheating
D. Faulty RAM
Explanation: If a workstation shuts down unexpectedly during a burn-in test, overheating is the most likely cause. This is because a burn-in test is designed to stress the components of the workstation, which can generate a lot of heat. Therefore, overheating is the correct answer. References: CompTIA A+ Certification Exam Guide, Ninth Edition, page 120
A startup is looking to immediately expand its data center but does not have the personnel or space to manage everything internally. The organization has multiple small offices and remote users with large computational and storage-solution requirements. Funding is not an issue for the company. Which of the following can BEST accomplish the company's goals?
A. SaaS
B. laaS
C. ISP
D. SON
Explanation: IaaS is a cloud computing model where a third-party provider hosts
infrastructure components such as servers, storage, and networking on behalf of
customers. This allows the startup to immediately expand its data center without the need
for additional personnel or space to manage everything internally. Additionally, IaaS allows
remote users to easily access the required computational and storage resources from
multiple small offices.
Infrastructure as a Service (laaS) can provide the startup with the necessary computational
and storage solutions without the need for internal management. laaS allows organizations
to rent computing resources from a third-party provider instead of owning and maintaining
them in-house.
A company is testing the latest model of a laptop. After turning on the laptop, there is a noticeable burning smell. Which of the following steps should a technician take to troubleshoot the laptop issue? (Select two).
A. Turn it off and disconnect all power sources.
B. Submit an emergency request to the local facilities manager.
C. Check for foreign objects, liquid spills, and internal damage.
D. Contact the vendor and submit a return request.
E. Remove the device from the MDM.
F. Try an alternate AC adapter.
A help desk technician is installing an SSD upgrade in a laptop. The laptop specifications call for NVMe. Which of the following form factors should the technician most likely install in the laptop?
A. 2.5
B. 3.5
C. M.2
D. SD
Explanation: NVMe (Non-Volatile Memory Express) is an interface protocol built especially for Solid State Drives (SSDs) to utilize the high-speed PCIe bus in computers. M.2 is a form factor that is commonly used for NVMe SSDs due to its compact size and direct connection to the PCIe interface, which is ideal for laptops. The 2.5" and 3.5" form factors are more commonly associated with SATA drives, and SD is a form factor used for removable flash memory cards, not for internal storage solutions like NVMe SSDs.
A network technician has been tasked with creating a patch cable. The RJ45 connectors will not slay attached to the cable. Which of the following tools Is needed to fix this Issue?
A. Cable tester
B. Crimper
C. Punchdown tool
D. Loopback plug
Explanation: A crimper is a tool that is used to crimp (attach) an RJ45 connector onto the end of a patch cable. The crimper applies pressure to the connector to make a permanent connection between the connector and the cable, ensuring that the connector will stay attached to the cable. A cable tester is used to test the connectivity of a network cable. A punch down tool is used to terminate network cables in a patch panel or keystone jack. A loopback plug is a diagnostic tool that is used to test network interfaces by simulating network traffic. Reference: CompTIA A+ Core 1 Exam Guide, page 92.
A computer with a recently replaced CPU will not pass POST. When inspecting the inside of the computer, the technician sees several shorts on the motherboard near the location of the CPU. Which of the following is most likely the cause of this issue?
A. The incorrect heat sink was used on the CPU.
B. Too much thermal paste was applied to the CPU.
C. The power supply was undersized for the CPU.
D. The CPU is not receiving any power from the motherboard.
A user is unable to plug a USB 3.0 device into a USB port. Upon inspection, a technician notices the USB 3.0 port appears to be slightly smaller than the other connections. Which of the following Is the MOST likely cause?
A. A foreign object Is stuck Inside the port
B. The cable connection utilized the wrong orientation.
C. The USB cable is physically damaged
D. The USB port belongs to a different form factor.
Explanation: USB 3.0 ports are slightly smaller than other USB connections, so if the port appears to be the wrong size, it is likely that the port belongs to a different form factor. This can be caused by a number of factors, such as the device being too old to support USB 3.0, or the device not having a USB 3.0 port in the first place.
A user reports a monitor, keyboard, mouse, and headset are no longer functioning. The user has restarted the laptop and tested an alternative headset and monitor, but the issue persists. The technician notices the user has a printer, USB-C hub, and AC adapter plugged into the laptop. Which of the following should the technician do to most likely resolve the issue?
A. Verify the AC adapter voltage.
B. Repair the operating system.
C. Replace the user's USB-C hub.
D. Reinstall the drivers for affected devices.
E. Make sure the printer is not drawing too much power.
A VM was set up to deny access to the host computer and any network resources. Which of the following describes this scenario?
A. Sandbox
B. Cross-platform virtualization
C. Legacy application
D. Hypervisor
Explanation: A sandbox is an isolated environment created for testing or running code without affecting the host system or other network resources. In this scenario, the virtual machine (VM) is set up to deny access to the host computer and any network resources, effectively creating a contained and secure space where actions within the VM do not impact the rest of the system or network. This is a key feature of sandbox environments used for testing and security purposes.
A company needs to support a 10Gbps throughput. Which of the following is the MINIMUM cable category that could be used?
A. Cat 5
B. Cat 5e
C. Cat 6
D. Cat 6a
Explanation: The minimum cable category that could be used to support a 10Gbps throughput is Cat 6a. Cat 6a cable is required with 10 Gigabit Ethernet for reliable performance with cable lengths up to 100 metres. However, lower-specification cables can often be successfully used, particularly with the shorter cable lengths required in a typical home123.
A technician needs to figure out why a laser printer is intermittently not feeding paper to print. The technician verifies the issue by running several copy-and-print tests. Which of the following should the technician do next?
A. Update the printer drivers.
B. Select the correct paper size.
C. Clean the pickup rollers.
D. Replace the toner cartridge.
Explanation: Intermittent paper feeding issues in a laser printer are commonly caused by dirty or worn- out pickup rollers. Cleaning the rollers can restore proper functionality. This aligns with the CompTIA A+ Core 1 objective related to troubleshooting and maintaining printers, specifically resolving paper feeding issues.
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