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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Mobile Devices | 15% | - Mobile device hardware and components
|
| Topic 2: Networking | 20% | - Network fundamentals
|
| Topic 3: Hardware and Network Troubleshooting | 29% | - Troubleshooting methodology
|
| Topic 4: Virtualization and Cloud Computing | 11% | - Cloud computing concepts
|
| Topic 5: Hardware | 25% | - PC hardware components
|
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質問 # 470
A technician must upgrade a computer system to improve its overall processing performance. Which of the following should the technician focus on to ensure maximum system performance?
正解：D
解説：
Clock frequency is one of the most significant factors influencing a computer system's processing performance. According to CompTIA Core 1 (220-1201) CPU and performance objectives, clock speed-measured in gigahertz (GHz)-determines how many instruction cycles a processor can perform per second.
Higher clock frequencies generally result in faster execution of instructions, leading to improved performance in both single-threaded and multi-threaded workloads. While modern CPUs also rely on core count, cache size, and architecture efficiency, clock frequency remains a primary metric for evaluating raw processing speed.
An integrated GPU affects graphics performance rather than overall CPU processing capability. Power connectors ensure proper electrical delivery but do not directly improve processing performance. The voltage regulator module (VRM) stabilizes and regulates power supplied to the CPU but does not itself increase processing speed.
CompTIA expects candidates to recognize clock frequency as a key determinant of CPU performance when upgrading or comparing processors.
Reference:
CompTIA A+ Core 1 (220-1201) Official Study Guide - CPU Architecture and Performance
質問 # 471
A company purchases a new printer for an international office. When a technician installs the printer, the display only shows a white screen. Which of the following should the technician do to troubleshoot the issue?
正解：B
解説：
Different countries use different voltage standards and plug types. A white or blank screen on a newly installed printer often indicates incorrect power input. Verifying and matching the printer's power requirements to the local electrical standard ensures proper operation and prevents hardware damage.
質問 # 472
An administrator selects a new platform that provides the following benefits:
* Shares a host OS
* Shares kernel resources
* Rapid start and deployment
* Limited isolation
Which of the following virtualization options did the administrator select?
正解：D
解説：
The virtualization platform described matches the characteristics of containers. According to CompTIA Core
1 (220-1201) virtualization concepts, containers are lightweight virtualization solutions that share the host operating system and kernel, rather than running separate guest operating systems. This design allows containers to start almost instantly and be deployed rapidly, making them highly efficient and scalable.
Because containers share kernel resources, they use significantly fewer system resources compared to traditional virtual machines. However, this also results in limited isolation, since applications are not fully separated at the OS level. This tradeoff is a defining characteristic of container-based virtualization.
A Type 1 hypervisor runs directly on hardware and hosts fully isolated virtual machines, each with its own operating system, which does not align with the shared OS and kernel described. A virtual machine also includes a full guest OS, leading to slower startup times and greater resource usage. A virtual desktop refers to user desktop virtualization, not application-level virtualization.
CompTIA highlights containers as an example of application virtualization that prioritizes speed, efficiency, and portability over complete isolation.
References:
CompTIA A+ Core 1 (220-1201) Official Study Guide - Virtualization Concepts, Containers, and Cloud Computing
質問 # 473
Laura, a customer, has instructed you to configure her home office wireless access point.
She plans to use the wireless network for finances and has requested that the network be setup with the highest encryption possible.
Additionally, Laura knows that her neighbors have wireless networks and wants to ensure that her network is not being interfered with by the other networks.
She requests that the default settings be changed to the following.
Wireless Name: HomeWiFi
Shared Key: CompTIA
Router Password: Secure$1
Finally, Laura wants to ensure that only her laptop and Smartphone can connect to the network.
Laptop: IP Address 192.168.1.100
Hardware Address: 00:0A:BF:03:C4:54
Smartphone: IP Address 192.168.1.101
Hardware Address: 09:2C:D0:22:3F:11
INSTRUCTIONS
Configure Laura's wireless network using the network adapter window.
If at any time you would like to bring back the initial state of the situation, please click the Reset All button.
正解：
解説：
See the explanation below
Explanation:
solution as
A screenshot of a network settings AI-generated content may be incorrect.
A screenshot of a computer AI-generated content may be incorrect.
A screenshot of a computer AI-generated content may be incorrect.
質問 # 474
Which of the following devices can handle large volumes of data and uses flash memory?
正解：C
解説：
Solid-state drives use flash memory for storage, allowing them to handle large volumes of data with fast access speeds and no moving parts.
質問 # 475
......
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2026年Tech4Examの最新220-1201 PDFダンプおよび220-1201試験エンジンの無料共有：https://drive.google.com/open?id=1S2N5IJ2-3mjkJoheiYxBHu55mWCPqX7X