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- (Topic 1)
Which of the following is the best to use when testing a file for potential malware?
Correct Answer:D
Comprehensive and Detailed Explanation From Exact Extract:
A sandbox is a secure, isolated environment used to test potentially harmful software or code. It prevents the software from affecting the main system, allowing safe malware testing. Thismethod is standard in cybersecurity best practices.
Reference: "CompTIA A+ Certification All-in-One Exam Guide" by Mike Meyers – Chapter 28, page 1230.
- (Topic 1)
A user's wireless headset shows a "connected" status when turned on, but the Bluetooth list on the user's phone shows that the headset is "not connected." Which of the following should the technician do?
Correct Answer:C
Comprehensive and Detailed In-Depth Explanation:
When a device shows asnot connectedeven though it previously paired, the most effective action is tore-pair the devices. This resets the Bluetooth connection, clears any corruption in pairing profiles, and re-establishes communication.
✑ Option A:Entering a PIN is only relevant during initial pairing and may not be
prompted again.
✑ Option B:Turning off Wi-Fi doesn??t typically affect Bluetooth; they operate on similar frequencies but don??t conflict this way in normal use.
✑ Option D:If Bluetooth were disabled, the device wouldn??t appear at all, not just show as ??not connected.??
CompTIA A+ Core 1 Exam Objective Reference:
✑ Objective 1.5: Given a scenario, connect and configure accessories and ports of mobile devices.
- (Topic 1)
A company uses vital legacy software that does not run in the current OS version Which of the following will best support the software while keeping the OS current?
Correct Answer:D
Application virtualization allows legacy software to run in a virtualized environment while the operating system remains current. It isolates the application from the OS, ensuring compatibility without downgrading the OS.
Why Not A (Shared resources): This relates to resource sharing, not application compatibility.
Why Not B (System sandbox): Sandboxes isolate applications for security testing, not compatibility.
Why Not C (Test development): Test environments are used for development, not running legacy applications.
CompTIA A+ Exam Reference: Core 1 (220-1201), Section 4.2, virtualization concepts.
- (Topic 1)
A technician is working on a RAID 1 array that is apparently degraded. The technician verifies the RAM and power are both operating as expected. Which of the following can the
technician do to further isolate the issue?
Correct Answer:A
Comprehensive and Detailed In-Depth Explanation:
Adegraded RAID 1array usually meansone of the drives has failed or is failing. The correctnext step is torun diagnostics on each driveto identify the faulty one. RAID 1 uses mirroring, so one good drive should still contain all the data.
✑ Option B:chkdsk checks file system integrity, not hardware drive health.
✑ Option C:Rebuilding should only occurafteridentifying and replacing a faulty drive.
✑ Option D:RAID 0 offers no redundancy and would destroy data in this context. CompTIA A+ Core 1 Exam Objective Reference:
✑ Objective 3.5: Given a scenario, troubleshoot problems related to storage devices.
- (Topic 1)
A company deploys server machines in a public cloud. Which of the following cloud service models is this an example of?
Correct Answer:C
Comprehensive and Detailed Explanation From Exact Extract:
Infrastructure as a Service (IaaS) provides virtualized computing resources over the internet. This includes virtual servers, storage, and networking. Deploying server machines falls under IaaS since the organization is responsible for managing the OS and applications on top of the infrastructure.
Reference: "CompTIA A+ Complete Study Guide" by Quentin Docter – Chapter 8, "Virtualization and Cloud Computing", page 488-490. Also found in the220-1201objectives, section 4.1.