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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Operating Systems | 31% | - Windows OS installation, configuration, and management
|
| Topic 2: Operational Procedures | 22% | - Safety and environmental procedures
|
| Topic 3: Security | 25% | - Security practices
|
| Topic 4: Software Troubleshooting | 22% | - Device and application troubleshooting
|
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NEW QUESTION # 133
A customer reports that a computer is displaying pop-ups and making unexpected sounds. Which of the following should a technician do before remediating this issue?
Answer: D
Explanation:
Quarantining the machine prevents the potential spread of malware or malicious activity before attempting remediation.
NEW QUESTION # 134
Which of the following describes a vulnerability that has been exploited before a patch or remediation is available?
Answer: A
Explanation:
A zero-day vulnerability refers to a security flaw that is actively exploited by attackers before the software vendor has released a patch or remediation - meaning defenders have "zero days" to prepare once the exploit becomes known.
NEW QUESTION # 135
A technician inspects the following workstation configuration:
The workstation is unable to open any external websites. The browser displays an error message that says that the site cannot be reached.
Answer: C
Explanation:
The correct answer is C. The default gateway is not set, and this is clearly indicated by the ipconfig output showing the Default Gateway: 0.0.0.0. In TCP/IP networking, the default gateway is the router address that allows a workstation to communicate with networks outside its local subnet, including the internet. Without a valid default gateway, a device can only communicate with other devices on the same local network.
According to the Quentin Docter - CompTIA A+ Complete Study Guide, a missing or incorrect default gateway is one of the most common causes of a system being unable to access external resources. The guide explains that when a destination IP address is outside the local subnet, the workstation forwards the traffic to the default gateway. If no gateway is defined, the traffic has nowhere to go and is dropped.
The Travis Everett & Andrew Hutz - CompTIA A+ All-in-One Exam Guide reinforces that an IP address such as 10.203.10.22 with a subnet mask of 255.255.255.0 is valid for internal communication. The DNS suffix comptia.org is also not responsible for routing failures. DNS resolves names to IP addresses, but routing still requires a gateway.
The Mike Meyers / Mark Soper Lab Manual further clarifies that a subnet mask error would prevent even local communication, which is not indicated here. Because only external websites are unreachable, the absence of a default gateway is the definitive root cause.
NEW QUESTION # 136
A network technician notices that most of the company's network switches are now end-of-life and need to be upgraded. Which of the following should the technician do first?
Answer: B
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
The first step in the IT change management process is to identify and propose the change. In this case, the technician notices a need (end-of-life network switches), so the appropriate action is toformally propose a change. This proposal would be documented and submitted for approval before any planning or implementation occurs.
According to the CompTIA A+ 220-1102 objectives under Operational Procedures (Domain 4.0), the change management process follows these typical steps:
* Submit a change request (Propose the change)
* Review and approval (Approve the change)
* Planning and scheduling (Schedule the change)
* Implementation
* Documentation and review
Therefore, proposing the change is the correct first step in accordance with standard ITIL-based change management practices.
Reference:
CompTIA A+ 220-1102 Objective 4.1: Given a scenario, implement best practices associated with documentation and support systems information management.
Study Guide Section: Change Management Process
NEW QUESTION # 137
A technician is working on a computer that has been infected with a virus, despite having antivirus software installed. The technician notices that the software has not run a scan or received any updates in several months. Which of the following is the MOST likely reason the antivirus software failed to prevent the infection?
Answer: B
Explanation:
Antivirus/antimalware detection depends heavily on its definitions/signatures . If those are outdated, new malware variants may not be recognized. Quentin Docter explains that the "definitions database" is a core antivirus component and that its effectiveness depends on "the frequency of updates and the comprehensiveness of the database signatures." He adds that new signatures are discovered frequently and added to the database, meaning stale definitions leave gaps.
Docter is also explicit that security software "is not perfect" and that malware may get around it, "especially a new threat (and especially if you haven't updated your definitions lately)." That statement directly matches this scenario: the software exists, but it failed to detect the infection-most likely because the detection data wasn't current.
The other answers don't fit as well: folder permissions and user permissions can limit what malware can change, but they don't explain why security software didn't detect it . Port security relates to network access control, not local signature detection. Therefore, Outdated definitions (B) is the best explanation.
NEW QUESTION # 138
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