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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Networking | 20% | - Network connectivity - Network configurations - Network troubleshooting - Network hardware and devices - Network protocols and services - IP addressing and subnetting basics |
| Topic 2: Hardware and Network Troubleshooting | 26% | - Mobile device troubleshooting - Common symptoms and root causes - Network troubleshooting - Hardware troubleshooting - Printers and multifunction devices - Troubleshooting methodology |
| Topic 3: Mobile Devices | 15% | - Mobile device troubleshooting - Cellular connectivity and settings - Mobile device synchronization - Mobile device management (MDM) - Mobile device configuration |
| Topic 4: Hardware | 27% | - Peripheral devices and connections - Storage devices (HDD, SSD, NVMe) - PC hardware and peripherals - Power supplies and connectors - RAM types and installation - CPU and expansion cards - BIOS/UEFI and firmware |
| Topic 5: Virtualization and Cloud Computing | 12% | - Cloud concepts and models (IaaS, PaaS, SaaS) - Virtualization fundamentals - Cloud connectivity and configuration - Virtual machine concepts - Cloud and virtualization troubleshooting |
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NEW QUESTION # 171
A technician installs an upgraded wireless access point. The technician then notices the activity light comes on briefly and turns off. The access point continues to exhibit this behavior repeatedly and does not come online. Which of the following is the most likely cause of this issue?
Answer: C
Explanation:
Port flapping refers to a network port continuously going up and down, which can prevent the access point from fully coming online.
From CompTIA A+ 220-1101 Official Study Guide, Objective 2.4 - Wired and wireless troubleshooting:
"Repeated loss and restoration of network link is called port flapping and may result in network devices, such as access points, not coming online." Verified Source:
* CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 2: Network Troubleshooting
* CompTIA Exam Objectives 220-1101, Domain 2.4
NEW QUESTION # 172
Which of the following DNS records would an administrator change to redirect email flow?
Answer: A
Explanation:
Comprehensive and Detailed In-Depth Explanation:
AnMX (Mail Exchange)record defineswhich mail servers are responsible for receiving emailfor a domain. If you want to change or redirect email traffic, theMX recordmust be updated with the correct server information.
* Option B (TXT):Stores text-based info - used for SPF, DKIM, etc.
* Option C (SPF):Part of email authentication stored in a TXT record; doesn't redirect traffic.
* Option D (CNAME):Alias for another domain name - not used for email routing.
CompTIA A+ Core 1 Exam Objective Reference:
* Objective 2.4: Compare and contrast common networking hardware.
NEW QUESTION # 173
A technician is setting up a locally hosted environment for internal developers who need concurrent access to a wide array of test OSs. Which of the following would best fulfill this requirement?
Answer: D
Explanation:
A hypervisor allows multiple operating systems to run simultaneously on a single physical host, making it the ideal solution for providing concurrent access to different test environments. Developers can use virtual machines (VMs) for testing and development.
From CompTIA A+ 220-1101 Official Study Guide, Objective 3.7 - Compare and contrast cloud computing concepts:
"A hypervisor is software that enables multiple operating systems to run on a single host as virtual machines.
This is commonly used in development and testing environments for flexibility and isolation." Verified Source:
CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 3: Virtualization CompTIA Exam Objectives 220-1101, Domain 3.7
NEW QUESTION # 174
A technician is building a home desktop computer. The technician wants to prioritize cable management when considering the type of power supply. Which of the following power supply types should the technician consider?
Answer: C
Explanation:
A modular power supply is the best choice when cable management is a priority. According to CompTIA Core 1 (220-1201) power supply objectives, modular PSUs allow technicians to connect only the cables that are needed for the system's components, reducing clutter inside the case.
This improves airflow, simplifies troubleshooting, and creates a cleaner internal layout, which is especially beneficial in home-built desktop systems. Semi-modular and fully modular power supplies offer varying degrees of flexibility, but all modular designs reduce unused cables compared to standard power supplies.
A standard (non-modular) power supply has all cables permanently attached, often resulting in excess unused cables that obstruct airflow. A backup power supply refers to an uninterruptible power supply (UPS), which provides battery backup but does not improve internal cable management. A redundant power supply is typically found in enterprise servers and includes multiple PSUs for fault tolerance, not cable management.
CompTIA emphasizes modular power supplies as a best practice for clean builds and efficient system design, making this the correct answer.
References:CompTIA A+ Core 1 (220-1201) Official Study Guide - Power Supplies, Form Factors, and Cable Management
NEW QUESTION # 175
A technician recently replaced a user's laptop screen. Since then, the user has had trouble connecting to wireless networks. Which of the following should the technician do?
Answer: A
Explanation:
Laptop wireless antennas are typically routed through the screen assembly. During screen replacement, the antenna cables can become disconnected, which prevents the device from detecting or connecting to wireless networks.
NEW QUESTION # 176
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