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| Section | Weight | Objectives |
|---|---|---|
| Mobile Devices | 13% | - Hardware components & replacement - Synchronization & data management - Mobile device security & troubleshooting - Network connectivity & configuration |
| Hardware and Network Troubleshooting | 28% | - Troubleshooting methodology - Component failure diagnosis & repair - Network issues & resolution - Hardware problems & solutions |
| Networking | 23% | - IP addressing & protocols - Wireless networking standards & security - Network devices & configuration - Network connectivity & troubleshooting - Network types, topologies & cables |
| Hardware | 25% | - PC components, installation & configuration - Power supply & cooling systems - Hardware maintenance & upgrades - Peripherals & storage devices - Custom PC builds & specialized hardware |
| Virtualization and Cloud Computing | 11% | - Cloud infrastructure & resource management - Virtual & cloud security - Virtualization concepts & hypervisors - Cloud service models & deployment types |
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NEW QUESTION # 77
A user asks a technician to increase the storage capacity of their new laptop by adding another SSD. Which of the following connectors will the technician most likely use?
Answer: D
Explanation:
Most laptops use SATA connections for adding or upgrading internal SSDs (especially 2.5-inch drives). SATA is the standard interface for consumer-grade storage devices in laptops.
NEW QUESTION # 78
Which of the following components enables finger-based screen input for two-in-one laptops?
Answer: D
Explanation:
A digitizer is the component in a two-in-one laptop that enables finger-based or stylus input on the screen. It is responsible for converting touch inputs into digital signals that the device can interpret.
Why Digitizer?
A digitizer is integrated into the screen assembly and works to detect and process inputs such as taps, swipes, or pinches.
This is a standard feature in modern touchscreens, enabling functionality for both finger-based and stylus-based interactions.
NEW QUESTION # 79
A technician checks a RAID 5 array and sees a S.M.A.R.T. alert on one disk, but the array still shows healthy. What should the technician do next?
Answer: C
Explanation:
CompTIA A+ teaches that S.M.A.R.T. warnings indicate imminent drive failure. Even if the RAID controller reports the array as "healthy," a S.M.A.R.T. alert means the drive should be replaced immediately.
RAID 5 provides redundancy for one drive failure, but technicians should replace the degrading drive before it fails fully, ensuring the rebuild happens proactively.
Running chkdsk affects file systems, not drive health. Disabling write caching is unrelated. Rebuilding the array should only occur after replacing the faulty drive.
Replacing the drive prevents a catastrophic dual-drive failure scenario, which RAID 5 cannot survive.
This approach aligns with CompTIA troubleshooting guidelines for RAID maintenance and S.M.A.R.T. diagnostics.
NEW QUESTION # 80
A Wi-Fi router is set up in a central room. A user on the outer edge of the building reports slow connections and intermittent internet drops. Which of the following actions will solve the issue?
Answer: D
Explanation:
CompTIA A+ explains that Wi-Fi issues at the edges of a building are typically caused by weak signal coverage, not client configuration. The recommended solution is to add additional wireless access points (APs) or mesh extenders to expand coverage and eliminate dead zones.
Enabling 5GHz would worsen the problem because 5GHz has shorter range and penetrates walls less effectively than 2.4GHz. Flushing DNS affects name resolution, not wireless signal strength. Upgrading the NIC to Wi-Fi 6 improves maximum throughput but still depends on sufficient signal, which the user does not have.
Additional APs ensure strong signal-to-noise ratio, consistent throughput, and stable roaming all solutions emphasized in the A+ wireless troubleshooting section. Therefore, option D is the correct and CompTIA- aligned fix.
NEW QUESTION # 81
Which of the following is used to install a network device when electrical outlets are unavailable?
Answer: D
Explanation:
Power over Ethernet (PoE) is specifically designed to power network devices without requiring a separate electrical outlet. According to CompTIA Core 1 (220-1201) networking hardware objectives, PoE allows both data and electrical power to be delivered over a single Ethernet cable from a PoE-capable switch or injector to the connected device.
PoE is commonly used for devices such as wireless access points, IP cameras, VoIP phones, and access control systems, especially in locations where installing electrical outlets is difficult, expensive, or impractical. This makes PoE an ideal solution for flexible and scalable network deployments.
WWAN (Wireless Wide Area Network) provides cellular-based network connectivity but does not supply power to devices. An ONT (Optical Network Terminal) converts fiber signals to Ethernet and requires its own power source. NFC (Near Field Communication) is a short-range wireless technology used for authentication and data exchange, not for powering network devices.
CompTIA highlights PoE as a key networking technology that simplifies installations by reducing cabling requirements and eliminating the need for local power outlets.
References:CompTIA A+ Core 1 (220-1201) Official Study Guide - Networking Hardware, PoE Standards, and Device Installation
NEW QUESTION # 82
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