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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Networking | 20% | - Network hardware and devices - IP addressing and subnetting basics - Network connectivity - Network protocols and services - Network troubleshooting - Network configurations |
| Topic 2: Mobile Devices | 15% | - Mobile device synchronization - Cellular connectivity and settings - Mobile device management (MDM) - Mobile device configuration - Mobile device troubleshooting |
| Topic 3: Hardware and Network Troubleshooting | 26% | - Printers and multifunction devices - Common symptoms and root causes - Network troubleshooting - Hardware troubleshooting - Troubleshooting methodology - Mobile device troubleshooting |
| Topic 4: Virtualization and Cloud Computing | 12% | - Cloud and virtualization troubleshooting - Cloud concepts and models (IaaS, PaaS, SaaS) - Virtual machine concepts - Virtualization fundamentals - Cloud connectivity and configuration |
| Topic 5: Hardware | 27% | - Peripheral devices and connections - PC hardware and peripherals - Power supplies and connectors - BIOS/UEFI and firmware - Storage devices (HDD, SSD, NVMe) - CPU and expansion cards - RAM types and installation |
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NEW QUESTION # 507
A support technician receives a call stating that a user has added a device to the network. The user used the same configurations from another workstation. When both workstations are turned on, neither can access the network reliably.
Which of the following is the most likely cause of the issue?
Answer: A
Explanation:
If two devices have the same static IP address, an IP conflict occurs. This results in both devices being intermittently disconnected or unable to communicate on the network. It's a common mistake when copying configurations manually.
NEW QUESTION # 508
A technician connects a WISP modem to a portable router in order to provide an Ethernet connection to a laptop. Which of the following network types has the technician configured?
Answer: B
Explanation:
The correct answer is WAN (Wide Area Network). According to CompTIA Core 1 (220-1201) networking fundamentals, a WAN is used to connect devices or networks over large geographic areas, typically through an Internet Service Provider (ISP). A WISP (Wireless Internet Service Provider) delivers internet connectivity wirelessly over long distances, which clearly falls under WAN technology.
In this scenario, the technician connects a WISP modem to a portable router to provide Ethernet connectivity to a laptop. The WISP modem represents the WAN link, as it connects the local device to an external network (the internet) managed by the service provider. The portable router then distributes that WAN connection locally via Ethernet.
A SAN (Storage Area Network) is used for high-speed storage communication between servers and storage devices and is unrelated to internet connectivity. A PAN (Personal Area Network) is limited to very short- range connections, such as Bluetooth between personal devices. A MAN (Metropolitan Area Network) covers a city or campus-scale area and is not applicable to a single modem-to-router setup.
CompTIA emphasizes identifying network types based on scope and provider involvement. Since a WISP connection extends beyond the local environment and connects to an ISP, it is classified as a WAN.
References:CompTIA A+ Core 1 (220-1201) Official Study Guide - Network Types, WAN Technologies, and ISP Connectivity
NEW QUESTION # 509
A user's laptop keyboard is distorted and no longer flat. Which laptop component most likely failed?
Answer: A
Explanation:
A laptop keyboard becoming distorted and no longer flat is a classic symptom of a swollen battery. Modern laptops typically use lithium-ion (Li-ion) or lithium-polymer (LiPo) batteries which can expand due to internal chemical reactions, gas buildup, or overheating as they age or fail.
This expansion creates significant pressure, which can warp the laptop's chassis, push up the keyboard, and damage other nearby components like the trackpad. .
NEW QUESTION # 510
An employee requires a workstation with three high-end graphics cards to render 3-D models. A technician must choose a power supply that meets the power requirements for the components and takes into consideration the mission-critical nature of the work. Which of the following meet the requirements? (Select two).
Answer: B,D
Explanation:
A workstation running three high-end GPUs requires a power supply capable of both high wattage and stable, reliable output. In CompTIA A+ power supply fundamentals, modularity and redundancy are emphasized for high-performance and mission-critical systems.
Modularity (B) allows the technician to connect only the necessary cables, reducing clutter, improving airflow, and enabling proper cable routing to multiple GPUs. High-end graphics cards require multiple PCIe connectors, and modular PSUs provide the flexibility to attach the exact number of required GPU power cables. This is important for systems where space management and cooling efficiency directly affect performance and component longevity.
Redundancy (D) is critical for mission-critical workstations used for 3-D modeling and rendering. A redundant power supply ensures that if one PSU module fails, the system continues running without interruption. CompTIA A+ highlights redundancy as a key feature in professional environments where uptime is essential. These systems typically use dual hot-swappable power modules to guarantee continuous power delivery.
The other options do not meaningfully address the requirements. A 12V output is standard on all PSUs. A 20- pin connector is outdated; modern motherboards use 24-pin. The 3.3V rail is not relevant to GPU loads, and
240 VAC input only refers to wall power compatibility, not PSU capability. Therefore, modularity and redundancy best meet the workstation's needs.
NEW QUESTION # 511
A technician builds a workstation. When the technician starts up the workstation, the technician notices a burning smell. During POST, the workstation shuts down. Which of the following is most likely the cause of these issues?
Answer: B
Explanation:
A shutdown during POST combined with a burning smell strongly indicates an overheating condition occurring almost immediately after power-on. In a newly built workstation, the most common cause of rapid CPU overheating is improper heatsink installation, especially failing to apply thermal paste (thermal compound) between the CPU and the heatsink. Thermal paste fills microscopic imperfections between the two metal surfaces so heat can transfer efficiently into the heatsink. Without it, the CPU can spike to unsafe temperatures within seconds. Modern systems detect this and trigger protective thermal shutdown during POST to prevent permanent CPU or motherboard damage. The burning smell can occur when components near the CPU socket heat excessively or when protective coatings/dust residues warm quickly due to poor heat dissipation.
The wrong type of RAM (B) would more likely cause no-boot/beep codes rather than a burning smell. Not properly grounding (A) relates to ESD damage risk, but that typically causes intermittent or dead hardware symptoms, not immediate thermal shutdown. A disconnected case exhaust fan (C) can contribute to higher case temperatures, but it's less likely to cause an immediate POST shutdown compared to missing thermal paste on the CPU cooler.
NEW QUESTION # 512
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