Question # 1 A technician just finished building a new PC and needs to install a firmware update for the system board UEFI. The technician is experiencing issues while
accessing the USB key. Which of the following features should the technician most likely disable in order to complete this task?
A. TPM securityB. USB 3.0 supportC. PXE boot capabilityD. Secure Boot
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D. Secure BootQuestion # 2 Following a security breach that revealed employee username and password information, an organization would like to implement additional security for users logging in to company devices. Which of the following would be the best solution for the organization to use? A. Biometric authenticationB. Peer-reviewed log-insC. Log-in scriptsD. One-time tokens
Click for Answer
D. One-time tokens
Answer Description Explanation: In response to a security breach involving compromised credentials, one- time tokens provide an effective method to enhance authentication security. These tokens are part of multi-factor authentication (MFA) and generate unique codes for each login attempt, ensuring that even if credentials are stolen, unauthorized access is prevented.
Question # 3 When a user tries to print a document on a laser printer, vertical lines appear on the printout. Which of the following should the technician replace? A. MirrorB. FuserC. DrumD. Toner
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C. DrumQuestion # 4 A technician is upgrading the power supply of a workstation that is running multiple GPUs in an SLI configuration. Which of the following cables is needed to ensure the power supply can support the
workstation?
A. 8-pin PCleB. 4-pin MolexC. 4+4-pin ATX12VD. 8-pin ATX12V
Click for Answer
A. 8-pin PCle
Answer Description Explanation:
An 8-pin PCIe (Peripheral Component Interconnect Express) power cable is required to provide adequate power to each GPU in an SLI (Scalable Link Interface) configuration. High-performance GPUs often require more power than the PCIe slot on the motherboard can supply, necessitating additional power directly from the power supply. The 8-pin PCIe connector can deliver more power than the standard 6-pin connector, making it suitable for high-end graphics cards commonly used in SLI configurations. This requirement is consistent with the hardware installation and configuration principles covered in the CompTIA A+ Core 1 (220-1101) Exam Objectives, particularly in sections dealing with hardware components and their installation .
Question # 5 An administrator notices that on an intermittent basis the virtual machines are running
slowly. The virtual machines are correctly sized, and the hardware has enough free
resources to cope with demand Which of the following is most likely the cause? A. The physical servers are not able to draw enough powerB. The physical servers do not have enough network bandwidthC. The physical servers are throttling due to overheatingD. The physical servers are contending for resources
Click for Answer
C. The physical servers are throttling due to overheating
Answer Description Explanation :
The physical servers are throttling due to overheating. This means that the servers are
reducing their performance to prevent damage from excessive heat. This can cause the
virtual machines to run slowly, as they depend on the physical servers’ resources. To avoid
this, the servers need adequate cooling and ventilation, as well as monitoring of their
temperature and fan speed. According to the CompTIA Core1 objectives, one of the
environmental factors that can affect system performance is overheating. A research paper
on thermal management of servers also states that overheating can lead to performance
degradation, reliability issues, and energy inefficiency.
Question # 6 A user with a self-configured, static IP address cannot connect to the internet. The technician runs an ipconfig command and receives the following output: A. IPv4 addressB. Subnet maskC. DHCP serverD. Default gateway
Click for Answer
D. Default gateway
Answer Description Explanation:
The correct answer is D. Default gateway.
Question # 7 A user is researching hard drives to upgrade a PC and has decided to purchase a NVMe
drive. Which of the following Should the user confirm are available on the PC before
making the purchase? (Select TWO). A. SATAB. M.2C. PCIeD. SASE. SCSI
Click for Answer
B. M.2C. PCIe
Answer Description Explanation :
NVMe (Non-Volatile Memory Express) drives are high-speed solid-state drives that utilize
the PCIe (Peripheral Component Interconnect Express) interface to connect to the
motherboard. Before purchasing an NVMe drive, the user should confirm that the PC has
an available M.2 slot for the drive and that the PC has a PCIe interface for the M.2 slot.
SATA (Serial ATA) is an older interface for hard drives and is not compatible with NVMe
drives. SAS (Serial Attached SCSI) is a newer interface for hard drives and is typically used
for enterprise-level storage systems. SCSI (Small Computer System Interface) is a parallel
interface for hard drives that is primarily used in high-end workstations and servers. DRAM
(Dynamic Random Access Memory) is a type of memory commonly used in computers, but
it is not relevant to the storage of data on a hard drive.
Reference : CompTIA A+ Core 1 Exam Guide, page 267.
Question # 8 A technician is troubleshooting a classroom projector that shuts down after fifteen minutes
of use. Which of the following should the technician do to resolve the issue? A. Replace the video input cableB. Change the bulb.C. Clean the air filter.D. Swap the power cord
Click for Answer
C. Clean the air filter.
Answer Description Explanation : Cleaning the air filter is the best action to resolve the issue of a projector that
shuts down after fifteen minutes of use. A dirty air filter can cause overheating and trigger
the projector’s thermal protection mechanism. Replacing the video input cable, changing
the bulb, or swapping the power cord are unlikely to solve the overheating issue.
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