220-1102学習範囲、220-1102試験対策書

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CompTIA 220-1102 試験は、オペレーティングシステム、セキュリティ、ソフトウェアのトラブルシューティング、手順など、様々なトピックを扱います。この試験では、クラウドコンピューティング、仮想化、モバイルデバイスなど、最新テクノロジーの理解を求められます。さらに、TCP/IP、DNS、DHCP、ワイヤレスネットワークなどのネットワークコンセプトについても確固たる理解が必要です。

CompTIA A +認定試験：Core 2の資格を取得することは、雇用主やクライアントに対して、技術サポートを提供し、一般的なIT問題をトラブルシューティングするための必要なスキルと知識を持っていることを証明するものです。この認定は、世界的に認められ、業界で広く尊重されています。さらに、CompTIA A +認定を取得することで、ネットワーク管理者、ヘルプデスク技術者、または技術サポートスペシャリストなどの他のキャリアの機会につながる可能性があります。

Comptia A+認定試験：Core 2は、90の複数選択とパフォーマンスベースの質問で構成されています。この試験は、オペレーティングシステムのインストールと構成、ソフトウェアの問題とハードウェアの問題のトラブルシューティング、セキュリティプロトコルの実装などの分野でITプロフェッショナルの知識とスキルをテストするように設計されています。候補者は試験を完了するために90分を与えられ、合格スコアは900のうち700です。

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更新するCompTIA 220-1102｜最新の220-1102学習範囲試験｜試験の準備方法CompTIA A+ Certification Exam: Core 2試験対策書

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CompTIA A+ Certification Exam: Core 2 認定 220-1102 試験問題 (Q472-Q477):

質問 # 472
A user notices a small USB drive is attached to the user's computer after a new vendor visited the office. The technician notices two files named grabber.exe and output.txt. Which of the following attacks is MOST likely occurring?

A. Rootkit
B. Keylogger
C. Cryptominer
D. Trojan

正解：B

解説：
Explanation
A keylogger is a type of malware that records the keystrokes of a user and sends them to a remote attacker1.
The attacker can use the captured information to steal passwords, credit card numbers, or other sensitive data. A keylogger can be installed on a computer by attaching a small USB drive that contains a malicious executable file, such as grabber.exe2. The output.txt file may contain the recorded keystrokes. The user should remove the USB drive and scan the computer for malware.
References: 2: What is grabber.exe? (https://www.freefixer.com/library/file/grabber.exe-55857/) 1: What is a keylogger? (https://www.kaspersky.com/resource-center/definitions/keylogger)

質問 # 473
A technician is unable to access the internet or named network resources. The technician receives a valid IP address from the DHCP server and can ping the default gateway. Which of the following should the technician check next to resolve the issue?

A. Turn off the Windows firewall.
B. Confirm the subnet mask is correct.
C. Verify the DNS server settings.
D. Configure a static IP address.

正解：C

解説：
The correct answer is A. Verify the DNS server settings. This is because the DNS server is responsible for resolving domain names to IP addresses, which is necessary for accessing the internet or named network resources. If the DNS server settings are incorrect or the DNS server is down, the technician will not be able to access these resources even if they have a valid IP address and can ping the default gateway1.
1: CompTIA A+ Certification Exam: Core 2 Objectives, page 16, section 1.10.

質問 # 474
A macOS user reports seeing a spinning round cursor on a program that appears to be frozen. Which of the following methods does the technician use to force the program to close in macOS?

A. The technician presses the Ctrl+Alt+Del keys to open the Force Quit menu, selects the frozen application in the list, and clicks Force Quit.
B. The technician opens Finder, navigates to the Applications folder, locates the application that is frozen in the list, right-clicks on the application, and selects the Force Quit option.
C. The technician opens the Apple icon menu, selects Force Quit, selects the frozen application in the list, and clicks Force Quit.
D. The technician clicks on the frozen application and presses and holds the Esc key on the keyboard for 10 seconds Which causes the application to force quit.

正解：C

解説：
The technician opens the Apple icon menu, selects Force Quit, selects the frozen application in the list, and clicks Force Quit. This is the most common method of force quitting a program in macOS. This can be done by clicking on the Apple icon in the top left of the screen, selecting Force Quit, selecting the frozen application in the list, and then clicking Force Quit. This will force the application to quit and the spinning round cursor will disappear.

質問 # 475
A technician is troubleshooting a customer's PC and receives a phone call. The technician does not take the call and sets the phone to silent. Which of the following BEST describes the technician's actions?

A. Adhere to user privacy policy
B. Avoid distractions
C. Set and meet timelines
D. Deal appropriately with customer's confidential material .

正解：B

解説：
Explanation
The technician's action of setting the phone to silent while troubleshooting the customer's PC is an example of avoiding distractions. By setting the phone to silent, the technician is ensuring that they are able to focus on the task at hand without any distractions that could potentially disrupt their workflow. This is an important practice when handling customer's confidential material, as it ensures that the technician is able to focus on the task and not be distracted by any external sources. Furthermore, it also adheres to user privacy policies, as the technician is not exposing any confidential information to any external sources.

質問 # 476
A user has been unable to receive emails or browse the internet from a smartphone while traveling. However, text messages and phone calls are working without issue. Which of the following should a support technician check FIRST?

A. User account status
B. Data plan coverage
C. Network traffic outages
D. Mobile OS version

正解：B

解説：
The first thing that a support technician should check to resolve the issue of not being able to receive emails or browse the internet from a smartphone while traveling is the data plan coverage. The data plan coverage determines how much data and where the user can use on the smartphone's cellular network. The data plan coverage may vary depending on the user's location, carrier and subscription. The data plan coverage may not include or support certain areas or countries that the user is traveling to, or may charge extra fees or limit the speed or amount of data that the user can use. The data plan coverage does not affect text messages and phone calls, which use different network services and protocols. User account status is not likely to cause the issue of not being able to receive emails or browse the internet from a smartphone while traveling, unless the user account has been suspended or terminated by the carrier or the email provider. Mobile OS version is not likely to cause the issue of not being able to receive emails or browse the internet from a smartphone while traveling, unless the mobile OS has a major bug or compatibility problem with the network or the email app. Network traffic outages may cause the issue of not being able to receive emails or browse the internet from a smartphone while traveling, but they are less likely and less common than data plan coverage issues, and they should also affect text messages and phone calls. References: CompTIA A+ Core 2 (220-1002) Certification Exam Objectives Version 4.0, Domain 1.5

質問 # 477
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220-1102学習範囲、220-1102試験対策書

更新するCompTIA 220-1102｜最新の220-1102学習範囲試験｜試験の準備方法CompTIA A+ Certification Exam: Core 2試験対策書

CompTIA A+ Certification Exam: Core 2 認定 220-1102 試験問題 (Q472-Q477):

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