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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Hardware | 27% | - PC hardware and peripherals - BIOS/UEFI and firmware - Storage devices (HDD, SSD, NVMe) - RAM types and installation - CPU and expansion cards - Peripheral devices and connections - Power supplies and connectors |
| Topic 2: Hardware and Network Troubleshooting | 26% | - Hardware troubleshooting - Printers and multifunction devices - Network troubleshooting - Troubleshooting methodology - Common symptoms and root causes - Mobile device troubleshooting |
| Topic 3: Virtualization and Cloud Computing | 12% | - Cloud and virtualization troubleshooting - Cloud concepts and models (IaaS, PaaS, SaaS) - Virtualization fundamentals - Virtual machine concepts - Cloud connectivity and configuration |
| Topic 4: Mobile Devices | 15% | - Mobile device synchronization - Mobile device configuration - Mobile device management (MDM) - Cellular connectivity and settings - Mobile device troubleshooting |
| Topic 5: Networking | 20% | - Network configurations - Network hardware and devices - IP addressing and subnetting basics - Network connectivity - Network protocols and services - Network troubleshooting |
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NEW QUESTION # 258
A local bank is designing its new infrastructure blueprint. Which of the following RAID types offers double parity?
Answer: C
Explanation:
RAID 6 uses double parity, allowing the array to tolerate the failure of up to two disks simultaneously while maintaining data integrity.
NEW QUESTION # 259
A technician receives several complaints from the same office about VoIP calls sounding broken up, being difficult to hear, and having lagging audio. The technician arrives on-site and runs an internet speed test on several wired and wireless computers. Internet speed seems normal throughout the office. Which of the following should the technician do to fix the call issues?
Answer: B
Explanation:
VoIP traffic is highly sensitive to latency, jitter, and packet loss, even when overall internet bandwidth appears sufficient. According to CompTIA Core 1 (220-1201) networking and VoIP troubleshooting objectives, normal speed test results do not guarantee good VoIP performance because speed tests measure throughput, not real-time traffic prioritization.
In this scenario, users experience choppy audio and lag, which are classic symptoms of voice packets competing with regular data traffic during periods of network utilization. Enabling Quality of Service (QoS) on the router allows the network to prioritize VoIP traffic over less time-sensitive data such as web browsing, file downloads, or streaming. This ensures voice packets are transmitted with minimal delay, improving call clarity and reliability.
Configuring PoE only supplies power to VoIP phones and does not affect call quality. Changing wireless encryption standards does not resolve latency or prioritization issues. MAC address filtering is a security feature and has no impact on VoIP performance.
CompTIA emphasizes QoS as a key solution for resolving VoIP performance issues in environments where bandwidth exists but voice traffic is not properly prioritized.
References:CompTIA A+ Core 1 (220-1201) Official Study Guide - VoIP Technologies, QoS, and Network Performance
NEW QUESTION # 260
Which of the following best represents the purpose of NFC?
Answer: A
Explanation:
NFC (Near-Field Communication) is a subset of RFID technology designed for very short-range wireless communication, typically within a few centimeters. It is primarily used for contactless transactions, like mobile payments, and can also support peer-to-peer data exchanges. NFC operates at 13.56 MHz and enables devices to communicate when placed near each other.
Reference: "CompTIA A+ Complete Study Guide" by Quentin Docter - Chapter 7, "Wireless and SOHO Networks", page 400.
NEW QUESTION # 261
A technician needs to confirm that desktop PCs can be deployed to a global, remote workforce. Which of the following specifications should the technician validate?
Answer: B
Explanation:
Input voltage must be validated to ensure desktop PCs can operate in different regions with varying power standards (e.g., 110V in North America vs. 220V in Europe). Failure to verify input voltage compatibility can lead to hardware damage or operational issues.
Option B (BIOS language support): Incorrect. While language support may be helpful, it is not critical for hardware deployment across regions.
Option C (Supply chain security): Incorrect. This refers to ensuring secure sourcing of components but does not directly impact deployment.
Option D (Power efficiency): Incorrect. Power efficiency may be important for energy savings but is not relevant to regional compatibility.
Reference:
CompTIA A+ Core 1 Objectives: 3.5 (Power supply requirements)
NEW QUESTION # 262
Users have noticed their devices are frequently disconnecting or experiencing slow speeds in the company lobby, but the Wi-Fi signal is strong. Which of the following is the first step to troubleshoot the issue?
Answer: A
Explanation:
Even with a strong Wi-Fi signal, interference from devices such as microwaves, Bluetooth devices, or nearby access points can cause slow speeds or disconnections. The first step is to inspect for and identify potential interference sources or obstacles affecting signal quality.
NEW QUESTION # 263
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