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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Operational Procedures | 22% | - Professionalism and communication
|
| Topic 2: Operating Systems | 31% | - Other operating systems
|
| Topic 3: Software Troubleshooting | 22% | - Common OS issues
|
| Topic 4: Security | 25% | - Security practices
|
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NEW QUESTION # 126
A user hears an unexpected noise coming from their desktop computer. To troubleshoot the issue, a technician needs to open the case. Which of the following actions should the technician take next?
Answer: B
Explanation:
The correct answer is C. Disconnect the power, because safety is the first priority when working inside a computer case. Before opening the system, all power sources must be removed to prevent electrical shock and hardware damage.
According to the Quentin Docter - CompTIA A+ Complete Study Guide, technicians should always shut down the system and disconnect the power cable before opening a computer. Even powered-off systems can still carry electrical current if they remain plugged in.
The Travis Everett & Andrew Hutz - All-in-One Exam Guide explains that unexpected noises are often caused by fans, loose cables, or failing hard drives. Opening the case while the system is powered can cause injury or damage sensitive components.
The Mike Meyers / Mark Soper Lab Manual reinforces the standard safety sequence: power off the system, unplug it, discharge residual power, and then apply grounding measures before touching internal components.
Because disconnecting power eliminates electrical hazards and protects both the technician and the equipment, C is the correct answer.
NEW QUESTION # 127
A technician verifies that a malware incident occurred on some computers in a small office. Which of the following should the technician do next?
Answer: B
Explanation:
Once a malware incident has been confirmed, the immediate next step is to contain the threat. Quarantining infected systems prevents the malware from spreading to other devices and isolates the malicious code for further analysis or remediation.
B). Educating end users is important but occurs later in the incident response process.
C). Disabling System Restore is part of cleanup, not containment.
D). Updating and scanning should occur after the system is quarantined to prevent further infection or spread.
Reference:
CompTIA A+ 220-1102 Objective 2.5: Given a scenario, detect, remove, and prevent malware using appropriate tools and methods.
Study Guide Section: Malware removal best practices - Step 2: Quarantine the infected system
NEW QUESTION # 128
Which of the following filesystems does Linux OS most commonly use? (Choose two.)
Answer: B,D
Explanation:
XFS and ext4 are widely used native Linux filesystems. XFS is common in enterprise Linux distributions because of its scalability and performance, while ext4 is broadly used as a reliable general-purpose default filesystem.
NEW QUESTION # 129
A smartphone user unsuccessfully attempts to open an email attachment that includes an unexpected overdue invoice. After that attempt, the user notices performance issues while using the mobile browser and other applications. The user restarts the smartphone, but the issue persists. Which of the following actions would most likely resolve the issue?
Answer: B
Explanation:
The symptoms indicate a likely malware infection from the suspicious email attachment. A factory reset is the most effective way to fully remove malware and restore normal device performance.
NEW QUESTION # 130
A company would like to deploy baseline images to new computers as they are started up on the network.
Which of the following boot processes should the company use for this task?
Answer: B
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
PXE (Preboot Execution Environment) allows workstations to boot over the network and download an OS image from a server. It is ideal for automating mass deployments using baseline images across many machines without the need for physical media.
A: An ISO is a disk image file but requires mounting or physical media.
B: Secure Boot is a security feature, not a method of deploying OS images.
C: USB requires manual installation and is not suitable for automated deployment at scale.
Reference:
CompTIA A+ 220-1102 Objective 1.4: Given a scenario, use appropriate Microsoft operating system installation methods.
Study Guide Section: Remote installation methods - PXE boot deployment
NEW QUESTION # 131
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