CompTIA A+ Core 1 (2022 series)624 questions across 63 pages are complete and free, with no account or card.
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Which of the following network devices is used to separate broadcast domains?
Answer: C
Get used to this. A Router separates Broadcast Domain while a Switch separate Collision Domain. Answer (C) takes the money here
Source: Adapted from community discussion — Mercious
A user tripped on an Ethernet cable and disconnected it from the wall jack. A technician visually inspects the cable and notices that the plastic prong on the connector of the cable is completely missing. Which of the following tools should the technician use to resolve this issue? (Choose two.)
Answer: AB
B. Network crimper: A network crimper can be used to replace the damaged connector by attaching a new RJ45 connector to the cable. D. Punchdown tool: A punchdown tool is used to terminate and secure the cable in a wall jack or patch panel. If the issue is at the wall jack, it may need to be re-terminated.
Source: Adapted from community discussion — sahdude
A customer purchased an active touch pen for a tablet PC. After the customer used the pen for a few days, it stopped working. Which of the following is most likely causing the issue?
Answer: C
C. The pen batteries need recharging. If the touch pen stopped working after a few days of use, it's possible that the batteries have run out of charge. Touch pens typically require power to function, and if the batteries are depleted, the pen may cease to work. Therefore, the user should try recharging the pen batteries to see if that resolves the issue. If the pen still doesn't work after recharging the batteries, then further troubleshooting may be necessary.
Source: Adapted from community discussion — Duke_CT
An IT technician is working on a help desk ticket concerning a user's inability to create a virtual machine. The technician has already checked the RAM and HDD space in the user's machine. Which of the following settings should the technician check next to help troubleshoot the issue?
Answer: C
One of the possible settings that could prevent a user from creating a virtual machine is BIOS (Basic Input/Output System). BIOS is a firmware that controls how hardware components interact with each other and with software applications. Some BIOS settings may need to be changed or enabled to allow virtualization, such as VT-x (Intel Virtualization Technology) or AMD-V (AMD Virtualization). The other options are not related to virtualization settings. Verified Reference: [How To Enable Virtualization In BIOS Settings].
Source: Adapted from community discussion — Raffaelloo
A technician is installing a power supply in a workstation that contains a high-end graphics card, a 3GHz processor, and two cooling fans. Which of the following specifications should the technician verify before installing the new power supply?
Answer: A
Given the components described in the workstation (high-end graphics card, powerful processor, and cooling fans), the most critical specification to verify before installing the new power supply is: A. The wattage. High-end graphics cards and powerful processors can consume a significant amount of power, especially under load. It's essential to ensure that the new power supply has sufficient wattage to provide stable power to all components in the workstation. Insufficient wattage could lead to system instability, crashes, or even damage to components.
Source: Adapted from community discussion — Duke_CT
Which of the following cables should be used when connecting a cable modem to a SOHO router?
Answer: C
Installation of a cable modem follows the same general principles as for a DSL modem. The cable modem is interfaced to the local router via an RJ45 port and with the access provider's network by a short segment of coax terminated using threaded F-type connectors. More coax then links all the premises in a street with a cable modem termination system (CMTS), which forwards data traffic via the fiber backbone to the ISP's point of presence and from there to the internet. Might have to read the question carefully. "connecting a cable modem TO a SOHO router" Coaxial line is only to DSL to modem. The cable from modem to router is RJ45 (Ethernet) cable
Source: Adapted from community discussion — KSoLL
Isolating email attachments in a safe place until the attachments can be scanned for malware is defined as:
Answer: D
Any question with the key words "isolate" & "malware" is just default Sandbox Sandbox — Create an isolated environment in which to analyze viruses, worms, and Trojans. As the malware is contained within the guest OS, it cannot infect the researcher's computer or network.
Source: Adapted from community discussion — KSoLL
Which of the following server types can dynamically assign primary and secondary DNS?
Answer: A
The correct answer is A. DHCP server. A DHCP (Dynamic Host Configuration Protocol) server is responsible for automatically assigning IP addresses, subnet masks, default gateways, and DNS server addresses to devices on a network. This includes the primary and secondary DNS servers. GG
Source: Adapted from community discussion — Nate_A
Which of the following twisted pair cables supports 10GBASE-T data transmission speed?
Answer: D
The correct answer is D. Cat 6a. Cat 6a (Category 6 Augmented) cables are designed to support 10 Gigabit Ethernet (10GBASE-T) speeds over distances of up to 100 meters. They offer improved performance over Cat 5e cables, including higher bandwidth and reduced interference. Here's why the other options are incorrect: A. Cat 3: Cat 3 cables are outdated and only support low-speed data transmission. B. Cat 5: Cat 5 cables can support up to 100 Mbps and are not suitable for 10GBASE-T. C. Cat 5e: Cat 5e cables can support up to 1 Gigabit Ethernet (1000BASE-T), but not 10GBASE-T. Therefore, Cat 6a is the appropriate cable type for 10GBASE-T networks. GG
Source: Adapted from community discussion — Nate_A
Which of the following cloud models allows an organization to retain data on site as well as in the cloud?
Answer: C
C. Hybrid. In a hybrid cloud model, organizations can maintain some data and applications on-premises (on-site) while also leveraging cloud services for other data and applications. This hybrid approach offers flexibility, allowing organizations to take advantage of the scalability and cost-effectiveness of cloud computing while retaining control over certain sensitive data or applications that they prefer to keep on-site.
Source: Adapted from community discussion — Duke_CT
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