Comptia

220-1201 Free Practice Questions — Page 8

Question 71

Which of the following network technologies is used for the operation of physical access control systems?

A. 802.1Х
B. VPN
C. GPS
D. RFID
Show Answer
Correct Answer: D
Explanation:
RFID (Radio-Frequency Identification) is commonly used in physical access control systems for badge- and card-based entry. 802.1X is for network access control, VPN provides secure remote network connectivity, and GPS is for positioning and location services.

Question 72

A user reports slow performance when saving documents locally on a computer. A technician reviews the logs and notices entries showing S.M.A.R.T. errors. Which of the following actions should the technician take next?

A. Reseat all SATA cables.
B. Replace the hard drive.
C. Defragment the hard drive.
D. Run Disk Cleanup.
E. Install a heat sink on the hard drive.
Show Answer
Correct Answer: B
Explanation:
S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology) errors indicate that the storage device has detected signs of impending hardware failure. Slow performance when saving files is consistent with a failing drive. The appropriate next step is to replace the hard drive (after ensuring data is backed up if possible). Reseating SATA cables may help with connection issues but does not resolve S.M.A.R.T. failure indicators. Defragmentation, Disk Cleanup, or adding a heat sink will not fix a drive reporting S.M.A.R.T. errors.

Question 73

A user reports that a laptop runs very slowly when documents are opened and saved. The user got the laptop within the past year. A technician finds the following specifications for the laptop: Intel Core i5-1235U - Windows 11 Home - Intel Iris Xe Graphics - 1TB 7200RPM 16GB: 2 x 8GB DDR4 2666 The technician thinks a minor upgrade should solve the slow performance issue. Which of the following components should the technician install?

A. Gaming GPU
B. i7 CPU
C. 64GB RAM
D. 2.5 SATA SSD
Show Answer
Correct Answer: D
Explanation:
The laptop already has a capable 12th-generation Core i5 CPU and 16GB of RAM, which are sufficient for typical document editing. The specification '1TB 7200RPM' indicates a mechanical hard drive, which is a common bottleneck for opening and saving files and overall system responsiveness. Replacing it with a SATA SSD is a minor upgrade that provides a substantial improvement in storage performance. A gaming GPU is unrelated, an i7 CPU is unnecessary for this symptom, and 64GB of RAM is excessive for the described workload.

Question 74

Which of the following DNS record types is used to identify an email server?

A. AAAA
B. CNAME
C. TXT
D. MX
Show Answer
Correct Answer: D
Explanation:
The MX (Mail Exchange) DNS record specifies the mail server responsible for receiving email for a domain. AAAA maps a hostname to an IPv6 address, CNAME creates an alias to another hostname, and TXT stores arbitrary text such as SPF/DKIM-related information.

Question 75

Which of the following is an example of SaaS?

A. Videoconferencing
B. Managed VDI
C. Hosted database
D. Hypervisor
Show Answer
Correct Answer: A
Explanation:
Software as a Service (SaaS) delivers complete software applications over the internet. Videoconferencing services (such as Zoom or Microsoft Teams) are classic SaaS offerings accessed by end users through a client or browser. Managed VDI is typically Desktop as a Service (DaaS), a hosted database is generally a platform/cloud database service (often PaaS/DBaaS), and a hypervisor is virtualization software rather than a SaaS offering.

Question 76

A customer's laptop has been randomly shutting down. The laptop charges intermittently, and the screen dims when the laptop is not charging. Which of the following is the most likely cause of the issue?

A. Malware
B. Failed digitizer
C. Faulty battery
D. Damaged power port
Show Answer
Correct Answer: D
Explanation:
Intermittent charging strongly points to a physical charging connection problem. A damaged power port can cause the laptop to alternate between AC and battery power, leading to screen dimming when external power is lost and random shutdowns if the battery is not being reliably charged or is depleted. Malware and a failed digitizer do not fit the charging symptoms, and while a faulty battery can cause shutdowns, intermittent charging is more directly explained by a damaged power port. Sources: https://rog-forum.asus.com/t5/gaming-notebooks/the-battery-of-my-rog-flow-x13-is-not-charging-it-stays-at-0/td-p/983849

Question 77

Which of the following best describes the purpose of a firewall?

A. To connect to Wi-Fi
B. To assign IP addresses
C. To route network packets locally
D. To block unwanted traffic
Show Answer
Correct Answer: D
Explanation:
A firewall's primary purpose is to monitor and filter incoming and outgoing network traffic based on security rules, blocking unwanted or unauthorized traffic while allowing permitted communications. Connecting to Wi-Fi, assigning IP addresses, and routing packets are functions of other networking components or services.

Question 78

A computer is experiencing random shutdowns. A technician notices that the fans on the computer work but are noisy. The CPU temperature is about 122°F (50°C) when the computer is started but rises to 208°F (98°C) when applications are opened. Which of the following would most likely fix this issue?

A. Replacing the power supply
B. Installing a high-performance heat sink
C. Adjusting the fan settings
D. Adding more RAM to the computer
Show Answer
Correct Answer: B
Explanation:
The CPU temperature rapidly climbs from 50°C at idle to 98°C under load, which is consistent with inadequate CPU cooling and explains the random thermal shutdowns. Since the fans are already operating (and loudly), they are likely attempting to compensate for insufficient heat dissipation. Installing a high-performance heat sink (typically with proper thermal paste application) is the most likely fix. Replacing the power supply would not address overheating, adjusting fan settings is unlikely to help when the fans are already at high speed, and adding RAM does not reduce CPU temperature.

Question 79

A technician is troubleshooting an HDMI over Ethernet solution. The network link lights on the transmitter and receiver are both active. The TV that is connected to the receiver unit is getting audio, but video is intermittently flashing. Which of the following should the technician check next to find the source of the issue?

A. HDMI signal source
B. PoE power
C. Firmware on TV
D. Network cable termination
Show Answer
Correct Answer: D
Explanation:
Active link lights indicate the Ethernet link is established, and audio reaching the TV suggests the extender is communicating. Intermittent video flashing is more consistent with marginal signal integrity or bandwidth issues caused by a faulty or poorly terminated network cable. Checking the network cable termination is the next logical troubleshooting step.

Question 80

A technician wants to evaluate several desktop Linux OSs simultaneously. Which of the following is the best way to accomplish this task?

A. Container
B. Sandbox
C. Hypervisor
D. VDI
Show Answer
Correct Answer: C
Explanation:
A hypervisor allows multiple virtual machines to run simultaneously on a single physical computer, with each VM hosting its own independent desktop Linux operating system. This is the standard approach for evaluating several desktop Linux distributions at the same time. Containers share the host kernel, sandboxes are for isolated execution rather than full OS evaluation, and VDI delivers remote desktops rather than providing local concurrent OS testing.

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