FC0-U61日本語無料試験学習ガイド！（更新された302問あります) [Q79-Q99]

FC0-U61日本語無料試験学習ガイド！（更新された302問あります)

FC0-U61日本語問題集にはCompTIA IT Fundamentals認証済み試験問題と解答

質問 # 79
次の接続タイプのうち、最も速いインターネット速度を提供するのはどれですか?

A. 携帯電話
B. 対称 DSL
C. 縁石までのファイバー
D. 非対称 DSL

正解：C

解説：
Among the listed internet connection types, 'Fiber to the curb' (FTTC) generally provides the fastest speeds. FTTC involves running fiber-optic cables close to the curbs near homes or businesses, with the remaining connection to the premises being made through traditional coaxial or ethernet cabling. This provides higher speeds compared to traditional DSL (Digital Subscriber Line) or cellular connections.
Reference: Networking and internet technologies, including different types of broadband connections, are thoroughly explored in CompTIA IT Fundamentals, emphasizing the speed and reliability differences among various internet access technologies.

質問 # 80
ユーザーは、PCのリモートデスクトップ用にポート3389が開いていることを確認したいと考えています。次のうち、ユーザーがポートが開いていることを確認する必要がある場所を説明しているのはどれですか？

A. アンチウイルス
B. デバイスマネージャー
C. ホストファイアウォール
D. マルウェア対策

正解：C

解説：
Explanation
A host firewall is a software program that controls the incoming and outgoing network traffic on a computer.
A host firewall can block or allow traffic based on rules that specify the source and destination addresses, ports, protocols, and applications. A host firewall can also monitor and log network activity for security purposes. A user can verify if a port is open or closed by checking the host firewall settings and rules on their PC. References: The Official CompTIA IT Fundamentals (ITF+) Student Guide (Exam FC0-U61), Chapter 5, Section 5.4, Page 230.

質問 # 81
小さな会社は、会社のネットワークとインターネットからアクセス可能なサーバーをセットアップしたいと考えています。
従業員がリモートでサーバーにアクセスすることを許可する前に、次のうちどれを決定することが最も重要ですか？

A. 従業員の自宅ISPの速度
B. 接続を許可するセキュリティ方式
C. 接続に使用されるコンピューターの品質
D. 従業員の地理的な場所

正解：B

解説：
The most important factor to determine before allowing employees to access the server remotely is a security method of allowing connections. This means that the company needs to implement a way of verifying the identity and authorization of the employees who want to connect to the server from outside the company network or the internet. A security method of allowing connections can include using passwords, tokens, certificates, VPNs, firewalls, or encryption. A security method of allowing connections can prevent unauthorized access, data breaches, malware infections, or other cyberattacks on the server1415. References := CompTIA IT Fundamentals (ITF+) Study Guide, 2nd Edition, Chapter 6: Security3; Remote Access Security Best Practices - Cisco Meraki

質問 # 82
標準的なトラブルシューティング方法論の最終ステップは、次のどのアクションですか？

A. 予防措置を実施します。
B. 原因の新しい理論を作成します。
C. ソリューションと原因を文書化します。
D. 問題をオンラインで調査します。

正解：C

解説：
The final step in the standard troubleshooting methodology is to document the solution and cause of the problem. This step involves recording the details of the problem, the steps taken to resolve it, the outcome of the solution, and any preventive measures implemented to avoid future occurrences. Documenting the solution and cause can help to create a knowledge base for future reference, improve communication among IT professionals, and facilitate continuous improvement12. Reference := CompTIA IT Fundamentals (ITF+) Study Guide, 2nd Edition, Chapter 7: Explain the Troubleshooting Methodology3; Troubleshooting Methodology | IT Support and Help Desk | CompTIA4

質問 # 83
ユーザーがラップトップを購入しています。ユーザーは、ラップトップ上で多くの個人情報や機密情報を入手できます。ユーザーは、ラップトップが盗まれたとしても、誰もがデータにアクセスできないようにしたいと考えています。これを達成するには、次のうちどれを設定する必要がありますか？

A. 暗号化
B. 権限
C. 監査
D. 圧縮

正解：A

解説：
Explanation
Encryption is the process of transforming data into an unreadable format using a secret key or algorithm.
Encryption helps to protect the confidentiality and privacy of data, especially when it is stored on a device or transmitted over a network. Encryption can prevent unauthorized access to data by anyone who does not have the correct key or algorithm to decrypt it. For example, a user can encrypt the data on their laptop using a password or a biometric authentication method, so that even if the laptop is stolen, the data cannot be accessed by the thief56. References := CompTIA IT Fundamentals (ITF+) Study Guide, 2nd Edition, Chapter 6:
Security3; What is Encryption? - Definition from Techopedia

質問 # 84
システムの再起動後に内容を保持できるメモリのタイプは次のうちどれですか?

A. DIMM
B. DDR
C. ROM
D. RAM

正解：C

解説：
The type of memory that can retain its content after a system reboot is ROM. ROM stands for Read-Only Memory, which is a type of non-volatile memory that stores data permanently even when the power is turned off. ROM can only be read by the CPU, but not written or modified. ROM contains essential data and instructions that are needed for the system to boot up and operate, such as the BIOS (Basic Input/Output System) or the firmware. DDR is not the type of memory that can retain its content after a system reboot, but rather a type of RAM. RAM stands for Random Access Memory, which is a type of volatile memory that stores data temporarily while the computer is running. RAM allows fast access and modification of data by the CPU, but it loses its contents when the power is turned off. DDR stands for Double Data Rate, which is a technology that allows RAM to transfer data twice as fast as normal RAM. DDR has different generations, such as DDR2, DDR3, or DDR4, which have different speeds and capacities. DIMM is not the type of memory that can retain its content after a system reboot, but rather a type of module or package that contains RAM chips. DIMM stands for Dual In-line Memory Module, which is a circuit board that has RAM chips on both sides and pins on both edges. DIMM can be inserted into slots on the motherboard to increase the amount of RAM available for the system. DIMM has different types and sizes, such as SDRAM, DDR, DDR2, DDR3, or DDR4 DIMMs. RAM is not the type of memory that can retain its content after a system reboot, but rather the type of memory that loses its content when the power is turned off. RAM stands for Random Access Memory, which is a type of volatile memory that stores data temporarily while the computer is running. RAM allows fast access and modification of data by the CPU, but it loses its contents when the power is turned off. RAM can be packaged into modules or packages, such as DIMMs or SO-DIMMs. Reference: The Official CompTIA IT Fundamentals (ITF+) Student Guide (Exam FC0-U61), Chapter 1: IT Fundamentals1

質問 # 85
次のうち、入力デバイスと出力デバイスの両方はどれですか？

A. スピーカー
B. キーボード
C. マイク
D. タッチスクリーンモニター

正解：D

解説：
A touch-screen monitor is a device that can function as both an input and output device. An input device is a device that allows users to enter data or commands into a computer or system. An output device is a device that displays or produces data or information from a computer or system. A touch-screen monitor can function as an input device by detecting the touch or gesture of the user on the screen and sending the corresponding signal to the computer or system. A touch-screen monitor can also function as an output device by showing visual information on the screen. A microphone, a speaker, and a keyboard are not devices that can function as both an input and output device. A microphone is an input device that allows users to record sound or voice into a computer or system. A speaker is an output device that plays sound or voice from a computer or system. A keyboard is an input device that allows users to type text or characters into a computer or system. Reference: CompTIA IT Fundamentals+ Study Guide: Exam FC0-U61, Second Edition, Chapter 3: Computing Components, page 106.

質問 # 86
データベースを完全に削除するために使用できるコマンドは次のうちどれですか?

A. 変更
B. ドロップ
C. 拒否します
D. ダンプ

正解：B

解説：
DROP is a SQL command that can be used to remove a database permanently from a database management system. DENY is a SQL command that can be used to revoke permissions from a user or role. ALTER is a SQL command that can be used to modify the structure of a database object, such as a table or column. DUMP is not a valid SQL command, but it may refer to a backup operation that creates a copy of a database. References: The Official CompTIA IT Fundamentals (ITF+) Student Guide (Exam FC0-U61), Chapter 6: Database Fundamentals1

質問 # 87
ファイルを保存するための論理構造は次のうちどれですか？

A. ショートカット
B. 権限
C. フォルダ
D. 拡張

正解：C

質問 # 88
最も速いプロセッサ速度を示すものは次のうちどれですか?

A. 3.6Gbps
B. 3.6MHz
C. 3.6GHz
D. 3.6Mbps

正解：C

質問 # 89
元の形式から暗号化されたテキストメッセージの結果を最もよく表す用語は次のうちどれですか?

A. 無地
B. 暗号
C. アルゴリズム
D. ベクトル

正解：B

解説：
The outcome of a text message that is encrypted from its original form is best described as a cipher. A cipher is a text message that has been transformed into an unreadable or unintelligible form by using an encryption algorithm and a key. Encryption is the process of converting plain text into cipher text to protect the confidentiality, integrity, and authenticity of the message. A vector is not a term used in encryption, but it may refer to a data structure that can store multiple values of the same data type in an ordered sequence. Plain is not a term used in encryption, but it may refer to the original or unencrypted form of a text message. An algorithm is not the outcome of encryption, but it is the method or procedure that is used to perform encryption or decryption. Reference: The Official CompTIA IT Fundamentals (ITF+) Student Guide (Exam FC0-U61), Chapter 7: Security Concepts1

質問 # 90
次のうち、効果を維持するために最も頻繁な更新が必要なのはどれですか？

A. ホストファイアウォール
B. デバイスドライバー
C. アンチウイルス
D. Webブラウザ

正解：C

解説：
Explanation
Antivirus is a type of software that protects a computer or device from malicious software or malware, such as viruses, worms, trojans, spyware, ransomware, etc. Antivirus software requires the most frequent updating to remain effective because new malware threats are constantly emerging and evolving. Antivirus software needs to update its database of malware signatures or definitions, which are the patterns or characteristics that identify known malware. Antivirus software also needs to update its scanning engine or algorithm, which is the method or technique that detects and removes malware. Host firewall, web browser, and device drivers are not types of software that require the most frequent updating to remain effective. Host firewall is a type of software that monitors and controls the network traffic to or from a computer or device based on rules or policies. Web browser is a type of software that allows users to access and view web pages or web applications on the Internet. Device drivers are types of software that enable the communication and interaction between the operating system and the hardware devices. References: CompTIA IT Fundamentals+ Study Guide: Exam FC0-U61, Second Edition, Chapter 8: Security Concepts, page 305.

質問 # 91
次のうち、ARMプロセッサを使用する可能性が最も高いのはどれですか？

A. サーバー
B. ワークステーション
C. タブレット
D. ラップトップ

正解：C

解説：
An ARM processor is a type of processor that uses a reduced instruction set computer (RISC) architecture, which means it executes fewer and simpler instructions than other types of processors. An ARM processor is designed to be energy-efficient, low-cost, and suitable for mobile devices. A tablet would most likely use an ARM processor because it is a mobile device that needs to conserve battery power and perform basic tasks. A laptop, a workstation, and a server are not devices that would most likely use an ARM processor because they are not mobile devices or they need to perform more complex tasks. References: CompTIA IT Fundamentals+ Study Guide: Exam FC0-U61, Second Edition, Chapter 3: Computing Components, page 115.

質問 # 92
データベース管理者が顧客の郵便番号を保存するために使用する必要があるデータタイプは次のうちどれですか?

A. 整数
B. フロート
C. ブール値
D. 文字列

正解：D

解説：
A postal code is a string of alphanumeric characters that identifies a specific location. A string data type is used to store text or character data, such as names, addresses, or postal codes. A float data type is used to store decimal numbers, such as prices or weights. A boolean data type is used to store logical values, such as true or false. An integer data type is used to store whole numbers, such as counts or quantities. References: The Official CompTIA IT Fundamentals (ITF+) Student Guide (Exam FC0-U61), Chapter 6: Database Fundamentals1

質問 # 93
次のうち、多要素認証の例はどれですか？

A. ハードウェアトークンとスマートフォン
B. パスワードとパスフレーズ
C. 指紋と網膜スキャン
D. スマートカードとPIN

正解：D

解説：
Smart card and PIN are the examples of multifactor authentication. Multifactor authentication is a security method that requires two or more factors or pieces of evidence to verify the identity of a user or device. The factors are usually classified into three categories: something you know (such as a password or PIN), something you have (such as a smart card or token), or something you are (such as a fingerprint or retina scan). Multifactor authentication provides stronger security than single-factor authentication because it reduces the risk of compromise if one factor is lost or stolen. Reference : The Official CompTIA IT Fundamentals (ITF+) Study Guide (FC0-U61), page 207.

質問 # 94
データベース管理者は、外部ソースからの大量のデータをデータベースに入力したいと考えています。
データベースにデータを入力するには、次のどのアクションを使用する必要がありますか？

A. エクスポート
B. SELECT
C. ALTER
D. インポート

正解：D

解説：
IMPORT is the action that should be used to populate a database with large amounts of data from an external source. IMPORT is a command or function that allows a database to read and load data from an external file or source into a table or structure within the database. IMPORT can help a database administrator to transfer or migrate data from one database to another or from a different format to a database format. IMPORT can also help a database administrator to backup or restore data from a file or source. Reference : The Official CompTIA IT Fundamentals (ITF+) Study Guide (FC0-U61), page 143.

質問 # 95
開発者のジョーは、プログラムの実行中に変化する数値を保存する必要があるプログラムを作成しています。 Joe MOSTがこれを達成するために使用する可能性があるのは、次のうちどれですか？

A. 定数
B. 変数
C. 機能
D. ループ

正解：B

質問 # 96
情報を転送するためにデバイスが互いに6インチ以内にある必要があるワイヤレス通信は次のうちどれですか？

A. Bluetooth
B. NFC
C. 赤外線
D. WiFi

正解：B

解説：
NFC stands for near field communication, which is a wireless communication technology that allows devices to exchange data or perform transactions when they are within a few centimeters of each other. NFC uses radio frequency identification (RFID) to create a short-range wireless connection. NFC is commonly used for contactless payments, smart cards, and digital wallets. References : The Official CompTIA IT Fundamentals (ITF+) Study Guide (FC0-U61), page 174.

質問 # 97
ある会社は、離れた場所に6か月の調査サイトを実装することを望んでいます。次のうち、インターネットサービスに最適なオプションはどれですか？

A. セルラー
B. 衛星
C. ファイバー
D. ケーブル

正解：B

質問 # 98
IT部門は、従業員向けの新しいパスワードポリシーを確立しました。具体的には、ポリシーの読み取り：
*パスワードには、一般的な辞書の単語を含めることはできません
*パスワードには少なくとも1つの特殊文字が含まれている必要があります。
*パスワードは、使用されるラス6パスワードとは異なる必要があります。
*パスワードには、少なくとも1つの大文字または数字を使用する必要があります。
採用されているプラクティスは次のうちどれですか？（2つ選択）。