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| Section | Weight | Objectives |
|---|---|---|
| Hardware | 25% | - PC hardware components
|
| Hardware and Network Troubleshooting | 29% | - Troubleshooting methodology
|
| Virtualization and Cloud Computing | 11% | - Cloud computing concepts
|
| Networking | 20% | - Network fundamentals
|
| Mobile Devices | 15% | - Mobile device hardware and components
|
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NEW QUESTION # 499
A technician needs to ensure all data communications on all network devices are encrypted when logging in to the console. Which of the following protocols should the technician enable?
Answer: B
Explanation:
SSH (Secure Shell) encrypts data communications for secure remote login and management of network devices, ensuring all console connections are encrypted.
NEW QUESTION # 500
A technician is replacing a failed power supply in a ten-year-old computer When installing the customer-provided power supply, the technician discovers the ATX connector would not plug into the motherboard. The customer wants a cost-effective solution. Which of the following should the technician do next?
Answer: B
Explanation:
Older motherboards use 20-pin connectors, while newer power supplies use 24-pin connectors. An adapter resolves the compatibility issue cost-effectively.
Why Not A (Adjust the input voltage): Input voltage adjustment is unrelated to connector compatibility.
Why Not B (Install a modular power supply): While modular supplies are versatile, this doesn't address the connector issue directly.
Why Not C (Rebuild the failed power supply): Rebuilding is costly and complex compared to using an adapter.
CompTIA A+ Exam Reference: Core 1 (220-1201), Section 3.4, power supply compatibility.
NEW QUESTION # 501
A technician is troubleshooting a PoE phone that will not turn on. When a laptop is plugged directly into the switchport for the phone the technician sees a data link LED and activity. Which of the following tools should the technician use to verify PoE availability to the phone?
Answer: A
Explanation:
A cable tester capable of testing Power over Ethernet (PoE) functionality can verify whether the switchport is providing the required power to the phone. This tool measures both the presence of data and the voltage or wattage being provided through the Ethernet cable. This is the most effective way to confirm that PoE is available on the port.
NEW QUESTION # 502
A company wants to migrate a large amount of data from an on-premises server to a cloud provider. Which connection type is most likely the fastest?
Answer: D
Explanation:
Fiber connections provide the highest bandwidth and lowest latency among the listed options, making them the fastest and most suitable choice for transferring large volumes of data to a cloud provider.
NEW QUESTION # 503
An administrator must configure a server that prioritizes data availability. Because the server will be accessed by many users, the administrator must also consider performance. Which of the following RAID levels best meets these requirements within a single array?
Answer: D
Explanation:
The correct answer is D. RAID 10 (also called RAID 1+0).
According to CompTIA A+ Core 1 220-1201 objectives under Storage:
* RAID 10 combines the mirroring of RAID 1 with the striping of RAID 0. This provides both high data availability (because each drive has a mirror) and improved performance (because data is striped across multiple disks).
* RAID 10 requires a minimum of four drives and is suitable for servers that handle high I/O workloads while maintaining redundancy.
Why the other options are incorrect:
* A. RAID 1: Provides mirroring for redundancy but does not improve performance as effectively as RAID 10.
* B. RAID 0: Provides striping for performance but has no redundancy; a single drive failure results in data loss.
* C. RAID 5: Provides parity and can tolerate one drive failure with decent read performance, but write performance is lower than RAID 10 and rebuilds can impact system performance under heavy load.
References:
CompTIA A+ Core 1 (220-1201) Exam Objectives - Storage: "Given a scenario, configure RAID levels to balance performance, availability, and redundancy." Mike Meyers' CompTIA A+ Certification Guide, 13th Edition, Chapter on RAID and Storage Arrays.
NEW QUESTION # 504
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