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| Section | Weight | Objectives |
|---|---|---|
| Networking | 20% | - Network configurations - Network hardware and devices - Network troubleshooting - Network protocols and services - IP addressing and subnetting basics - Network connectivity |
| Mobile Devices | 15% | - Mobile device management (MDM) - Cellular connectivity and settings - Mobile device configuration - Mobile device troubleshooting - Mobile device synchronization |
| Hardware | 27% | - Peripheral devices and connections - BIOS/UEFI and firmware - Power supplies and connectors - PC hardware and peripherals - RAM types and installation - CPU and expansion cards - Storage devices (HDD, SSD, NVMe) |
| Hardware and Network Troubleshooting | 26% | - Printers and multifunction devices - Mobile device troubleshooting - Hardware troubleshooting - Network troubleshooting - Common symptoms and root causes - Troubleshooting methodology |
| Virtualization and Cloud Computing | 12% | - Cloud connectivity and configuration - Cloud and virtualization troubleshooting - Virtual machine concepts - Virtualization fundamentals - Cloud concepts and models (IaaS, PaaS, SaaS) |
クライアントが220-1201ガイドトレントの支払いに成功すると、5〜10分でシステムから送信されたメールを受信します。その後、彼らはメールを流してログインし、ソフトウェアを使用してすぐに学習することができます。その時間は学習者にとって非常に重要であり、誰もが効率的な学習ができることを望んでいます。クライアントがすぐに220-1201テストトレントを使用できるのは、220-1201試験問題の大きなメリットです。使用を開始すると、試験のシミュレーションやタイミング機能の向上など、220-1201実践ガイドのさまざまな機能と利点をお楽しみいただけます。
質問 # 281
Two workstations are connected to a LAN that does not have internet access. A user reports that they are unable to access a network service after a power outage. The web page warns the user that the site is insecure. Which of the following will most likely resolve the certificate error?
(Choose two.)
正解：B、E
解説：
After a power outage, an incorrect system date and time can cause SSL certificates to appear invalid because certificate validity depends on accurate time settings. Setting the correct system date and time in the BIOS resolves the validation issue. Replacing a depleted CMOS battery ensures the system retains correct date and time settings after power loss, preventing recurring certificate errors.
質問 # 282
A user is experiencing multiple issues with an in-place upgrade of a laptop's operating system.
The built-in camera is unresponsive, and the user is unable to pair the device with any Bluetooth accessories. Which of the following ate most likely causing three issues? (Choose two.)
正解：B、C
解説：
Outdated drivers: Device functionality issues after an OS upgrade are often caused by incompatible or outdated drivers.
Disabled settings: Some features may be disabled during the upgrade process, requiring re- enablement.
質問 # 283
Which of the following video cables uses an analog signal?
正解：D
解説：
VGA (Video Graphics Array) is an analog video interface. It transmits video signals as continuous electrical waves, which means the signal can degrade over distance or due to interference. VGA uses a 15-pin connector and is considered legacy hardware in modern systems, but it is still important for CompTIA A+ because you may encounter it in older equipment.
質問 # 284
A technician purchases a device that connects directly to the rear of a laptop and provides a one-to-one match for every peripheral connection. Which of the following best describes this device?
正解：A
解説：
A device that connects directly to a laptop and provides a one-to-one duplication of the laptop's existing ports is known as a port replicator. According to CompTIA Core 1 (220-1201) mobile device and laptop accessories objectives, a port replicator extends the available connections by mirroring the laptop's built-in ports, such as USB, HDMI, Ethernet, and audio. This allows users to quickly connect peripherals like monitors, keyboards, mice, and network cables without plugging each device in individually.
Port replicators are typically passive devices and do not add new functionality beyond duplicating existing ports. They are commonly used in office environments where users frequently dock and undock laptops.
A docking station, by contrast, often provides additional or enhanced functionality, such as extra video outputs, higher-power charging, expansion slots, or proprietary connectors. A USB hub only expands USB connectivity and does not replicate all peripheral connections. A KVM switch is used to control multiple computers with a single keyboard, video display, and mouse, which is unrelated to laptop port expansion.
CompTIA distinguishes port replicators as simple port-duplication devices, making them the correct answer in this scenario.
Reference:
CompTIA A+ Core 1 (220-1201) Official Study Guide - Mobile Device Accessories and Laptop Hardware
質問 # 285
A technician is troubleshooting a laptop's connectivity via its USB-C port to a projector. The same laptop works well when it is connected to a USB-C docking station. The projector is configured as expected, and the USB-C cable was tested on a charging port. Which of the following could be the issue?
正解：C
解説：
Not all USB-C cables support video output (DisplayPort Alt Mode) or Thunderbolt, even though they carry power. A charge-only USB-C cable will work for charging tests but won't pass the video signal to the projector. You need a USB-C cable rated for Thunderbolt or DisplayPort Alt Mode to transmit the display data directly.
質問 # 286
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