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 options would work BEST to ensure a client-side virtual machine cannot access the rest of the network?
Answer: D
Host-only mode is a networking mode for virtual machines that allows them to communicate with the host computer, but not with any other computers on the network.
Source: Adapted from community discussion — rah555
A technician is adding one more line at the demarcation point. Which of the following tools would be MOST useful to accomplish this task?
Answer: B
B. Punchdown tool A punchdown tool is commonly used for terminating network cables at the demarcation point. It helps secure and connect the individual wires in a network cable to the appropriate terminal or block, ensuring a reliable connection. This tool is essential for proper cable termination and organization at the demarcation point.
Source: Adapted from community discussion — Ghost713
Which of the following 802.11 Wi-Fi protocols utilizes the 5.0GHz frequency and has the BEST speed and reception?
Answer: B
B. 802.11ax Explanation: Among the options provided, 802.11ax (Option B) is the Wi-Fi protocol that utilizes the 5.0GHz frequency and offers the best speed and reception. Here's a brief overview of each option: 802.11a (Option A): Operates in the 5.0GHz frequency band and provides good data rates but is an older standard compared to 802.11ax. 802.11ax (Option B): Also known as Wi-Fi 6, 802.11ax operates in both the 2.4GHz and 5.0GHz bands. It is designed to improve overall network capacity, efficiency, and performance, providing higher speeds and better reception compared to previous standards. 802.11b/g/n (Option C): Operates in the 2.4GHz frequency band. While 802.11n can provide good speeds, it is older compared to 802.11ax. 802.11n (Option D): Operates in both 2.4GHz and 5.0GHz bands. It provides higher data rates than earlier standards like 802.11a/b/g but is not as advanced as 802.11ax.
Source: Adapted from community discussion — [Removed]
A user called the help desk to report an issue with a laptop. Recently, the user has been unable to click the buttons on the track pad or press some keys on the keyboard. The technician inspects the laptop but does not find any physical damage caused by the user. Which of the following is the MOST likely cause of the issue?
Answer: B
B. Swollen battery: A swollen battery is a common issue in laptops that can cause physical damage or pressure on internal components. If the battery is swollen, it can push against the trackpad and/or the keyboard, causing malfunctions such as the inability to click the trackpad buttons or use certain keys. The fact that no external physical damage is observed on the laptop points to an internal issue, which is often the case with a swollen battery. C. Distended capacitors: Distended capacitors could cause electrical problems, but they would typically affect the functionality of the laptop in more severe ways, such as preventing it from powering on or causing intermittent failures in the system. The issue described here is more localized to the trackpad and keyboard, which makes swollen battery more likely. Thus, a swollen battery is the most likely cause of this issue.
Source: Adapted from community discussion — BugG5
Following a scheduled power outage, users report they cannot access the local intranet. A technician is able to ping the IP address of the server that is hosting the website. Which of the following servers is MOST likely offline?
Answer: B
Answer is B Here is why,If the DNS server is offline, users would be unable to resolve the domain name to the IP address, which aligns with the scenario where the IP address can be pinged directly, but the domain name-based access is not working.
Source: Adapted from community discussion — Migzz
A server administrator is building a new application server. Which of the following RAID levels provides MAXIMUM performance and redundancy?
Answer: D
Hey man, I hope you're not the one have been answering all these questions wrong The question is asking for maximum performance AND REDUNDANCY. Not (OR) RAID 0: Does give a high performance but RAID 10 give both performance and redundancy. There is a reason why they use the number 10 on RAID 10 [RAID 10 = RAID 1+0] meaning that RAID 10 use the aspect of RAID 1 & RAID 0 RAID 0 gives you the performance RAID 1 give you the redundancy = RAID10
Source: Adapted from community discussion — KSoLL
Which of the following delivers internet over a copper medium?
Answer: C
DSL (digital subscriber line) uses a pair of copper wires within your telephone lines to transfer data and connect you to the internet.
Source: Adapted from community discussion — Raffaelloo
A customer has a Wi-Fi-capable laptop to use when traveling for work. Which of the following will allow the laptop to stay connected when the user travels?
Answer: A
A. Cellular card: This option provides a mobile internet connection through cellular networks, enabling the laptop to stay connected to the internet while traveling, even when Wi-Fi is not available
Source: Adapted from community discussion — Aminy4
A department submits a ticket to report a printer is not working. The responding technician sees paper stuck to the fuser, which is much hotter than normal. The fuser was just installed a few weeks ago, as indicated by the service history. Which of the following should the technician do NEXT?
Answer: A
Replace the fuser while the printer is plugged in? Remember its a CompTIA question, they don't account for common sense, they want you to know the troubleshooting steps.
Source: Adapted from community discussion — mr_reyes
A small office has a wireless network with several access points for roaming laptop use. Users occasionally report that the wireless connection drops or becomes very slow. Users have confirmed that this issue only happens when connected to the office wireless network. Which of the following would MOST likely be the cause?
Answer: B
The cause of the slow or dropped wireless connection in the small office is likely due to device interference (Option B). Interference can come from other wireless devices operating on the same or nearby frequencies, such as microwaves, cordless phones, or other Wi-Fi networks. This can cause degradation of the wireless signal and result in slow or dropped connections. A hidden SSID (Option A) is a feature that can be used to conceal the name of a Wi-Fi network, but it would not likely cause slow or dropped connections. Ethernet port flapping (Option C) refers to rapid changes in the state of a network port, and is not likely to be a cause of slow or dropped wireless connections. High ISP latency (Option D) refers to a delay in the response time of a network, and could be a factor in slow wireless connections, but it would not likely result in dropped connections. In this scenario, it is more likely that device interference is the cause of the issue.
Source: Adapted from community discussion — Shah_Naaz
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