2025年最新のSY0-701日本語問題集PDFでSY0-701日本語リアル試験問題解答
有効なSY0-701日本語テスト解答とCompTIA SY0-701日本語試験PDF問題を試そう
質問 # 136
セキュリティ アナリストは、サーバー上で悪意のある可能性のあるビデオ ファイルを見つけ、作成日とファイルの作成者の両方を特定する必要があります。セキュリティ アナリストに必要な情報を提供する可能性が最も高いアクションは次のどれですか。
- A. ファイルの内容に 16 進ダンプを使用します。
- B. エンドポイント ログを確認します。
- C. ファイルの SHA-256 ハッシュを取得します。
- D. ファイルのメタデータを照会します。
正解：D
解説：
Metadata is data that describes other data, such as its format, origin, creation date, author, and other attributes.
Video files, like other types of files, can contain metadata that can provide useful information for forensic analysis. For example, metadata can reveal the camera model, location, date and time, and software used to create or edit the video file. To query the file's metadata, a security analyst can use various tools, such as MediaInfo1, ffprobe2, or hexdump3, to extract and display the metadata from the video file. By querying the file's metadata, the security analyst can most likely identify both the creation date and the file's creator, as well as other relevant information. Obtaining the file's SHA-256 hash, checking endpoint logs, or using hexdump on the file's contents are other possible actions, but they are not the most appropriate to answer the question. The file's SHA-256 hash is a cryptographic value that can be used to verify the integrity or uniqueness of the file, but it does not reveal any information about the file's creation date or creator. Checking endpoint logs can provide some clues about the file's origin or activity, but it may not be reliable or accurate, especially if the logs are tampered with or incomplete. Using hexdump on the file's contents can show the raw binary data of the file, but it may not be easy or feasible to interpret the metadata from the hex output, especially if the file is large or encrypted. References: 1: How do I get the meta-data of a video file? 2: How to check if an mp4 file contains malware? 3: [Hexdump - Wikipedia]
質問 # 137
ある企業が、リスク登録簿に記載されている項目に対処するためにサイバー保険を購入しました。これは次のどの戦略を表していますか?
- A. 避ける
- B. 軽減
- C. 転送
- D. 受け入れる
正解：C
解説：
Transfer: Transferring a risk involves shifting some or all of the risk to another party, such as an insurance provider, through contractual agreements or financial arrangements. If the company purchases cyber insurance to address items listed on the risk register, it represents a risk transfer strategy. The company is transferring the financial burden of potential cyber incidents to the insurance provider, who will compensate the company for covered losses.
Given the scenario described, the strategy represented by the company's purchase of cyber insurance to address items listed on the risk register is Transfer. The company is transferring some of the financial consequences of potential cyber incidents to the insurance provider through the purchase of insurance coverage.
質問 # 138
ある会社のユーザーから、新しい小売ウェブサイトの URL がギャンブルとフラグ付けされてブロックされているため、アクセスできないという報告がありました。
次のどの変更により、ユーザーはサイトにアクセスできるようになりますか?
- A. クレジットカードデータを検出するDLPルールの調整
- B. コンテンツフィルタの分類を更新しています
- C. HTTPS トラフィックを許可するファイアウォール ルールの作成
- D. ショッピングを許可するようにIPSを設定する
正解：B
質問 # 139
アナリストは、データ プレーン内でのゼロ トラスト原則の実装を評価しています。アナリストが評価するのに最も関連性の高いのは次のどれでしょうか。
- A. 適応型アイデンティティ
- B. 脅威範囲の縮小
- C. 保護されたゾーン
- D. 主体の役割
正解：A
解説：
Zero Trust is a security model that assumes no trust by default, even within the internal network.
It relies on continuous verification of the identities and security posture of all users, devices, and applications. Adaptive identity involves dynamically adjusting access based on the continuously assessed risk associated with the user, device, or application. This aligns with the principles of Zero Trust, as it ensures that access permissions are granted based on the current context and risk level.
質問 # 140
次のどれがクラウド環境における高可用性として分類されますか?
- A. クラウド HSM
- B. ロードバランサー
- C. アクセスブローカー
- D. WAF
正解：B
解説：
In a cloud environment, high availability is typically ensured through the use of a load balancer. A load balancer distributes network or application traffic across multiple servers, ensuring that no single server becomes overwhelmed and that services remain available even if one or more servers fail. This setup enhances the reliability and availability of applications.
Load balancer: Ensures high availability by distributing traffic across multiple servers or instances, preventing overload and ensuring continuous availability.
Access broker: Typically refers to a service that facilitates secure access to resources, not directly related to high availability.
Cloud HSM (Hardware Security Module): Provides secure key management in the cloud but does not specifically ensure high availability.
WAF (Web Application Firewall): Protects web applications by filtering and monitoring HTTP traffic but is not primarily focused on ensuring high availability.
質問 # 141
従業員が誤って会社のシステムにマルウェアをインストールするのを防ぐのに最も効果的な対策は次のどれですか?
- A. 最小権限
- B. ホストベースのファイアウォール
- C. システムの分離
- D. アプリケーション許可リスト
正解：D
解説：
An application allow list is a security technique that specifies which applications are authorized to run on a system and blocks all other applications. An application allow list can best protect against an employee inadvertently installing malware on a company system because it prevents the execution of any unauthorized or malicious software, such as viruses, worms, trojans, ransomware, or spyware. An application allow list can also reduce the attack surface and improve the performance of the system. References: CompTIA Security+ Study Guide: Exam SY0-701, 9th Edition, Chapter 11: Secure Application Development, page 551 1
質問 # 142
ある組織で、コマンド アンド コントロール サーバーに関連するサイバー セキュリティ インシデントが発生しました。影響を受けたホストを特定するには、次のログのうちどれを分析する必要がありますか? (2 つ選択してください)。
- A. アプリケーション
- B. データベース
- C. ファイアウォール
- D. 認証
- E. DHCP
- F. ネットワーク
正解：C、E
解説：
To identify the impacted host in a command-and-control (C2) server incident, the following logs should be analyzed:
* DHCP logs: These logs record IP address assignments. By reviewing DHCP logs, an organization can determine which host was assigned a specific IP address during the time of the attack.
* Firewall logs: Firewall logs will show traffic patterns, including connections to external C2 servers.
Analyzing these logs helps to identify the IP address and port numbers of the communicating host.
* Application, Authentication, and Database logs are less relevant in this context because they focus on internal processes and authentication events rather than network traffic involved in a C2 attack.
質問 # 143
システム管理者は、次の要件を満たすソリューションに取り組んでいます。
- 安全なゾーンを提供します。
- 会社全体のアクセス制御ポリシーを適用します。
- 脅威の範囲を縮小します。
システム管理者が設定しているのは次のどれですか?
- A. 否認防止
- B. CIA
- C. ゼロトラスト
- D. AAA
正解：C
解説：
Zero Trust is a security model that assumes no trust for any entity inside or outside the network perimeter and requires continuous verification of identity and permissions. Zero Trust can provide a secure zone by isolating and protecting sensitive data and resources from unauthorized access. Zero Trust can also enforce a company- wide access control policy by applying the principle of least privilege and granular segmentation for users, devices, and applications. Zero Trust can reduce the scope of threats by preventing lateral movement and minimizing the attack surface.
References:
* 5: This source explains the concept and benefits of Zero Trust security and how it differs from traditional security models.
* 8: This source provides an overview of Zero Trust identity security and how it can help verify the identity and integrity of users and devices.
質問 # 144
次の脅威アクターのうち、巨額の資金を使って他国にある重要なシステムを攻撃する可能性が高いのはどれですか?
- A. ハクティビスト
- B. 国民国家
- C. 未熟な攻撃者
- D. インサイダー
正解：B
解説：
A nation-state is a threat actor that is sponsored by a government or a political entity to conduct cyberattacks against other countries or organizations. Nation-states have large financial resources, advanced technical skills, and strategic objectives that may target critical systems such as military, energy, or infrastructure. Nation-states are often motivated by espionage, sabotage, or warfare12. References = 1:
CompTIA Security+ SY0-701 Certification Study Guide, page 542: Threat Actors - CompTIA Security+ SY0-701 - 2.1, video by Professor Messer.
質問 # 145
ある企業が、リスク登録簿に記載されている項目に対処するためにサイバー保険を購入しました。これは次のどの戦略を表していますか?
- A. 避ける
- B. 軽減
- C. 転送
- D. 受け入れる
正解：C
解説：
Cyber insurance is a type of insurance that covers the financial losses and liabilities that result from cyberattacks, such as data breaches, ransomware, denial-of-service, phishing, or malware. Cyber insurance can help a company recover from the costs of restoring data, repairing systems, paying ransoms, compensating customers, or facing legal actions. Cyber insurance is one of the possible strategies that a company can use to address the items listed on the risk register. A risk register is a document that records the identified risks, their probability, impact, and mitigation strategies for a project or an organization. The four common risk mitigation strategies are:
* Accept: The company acknowledges the risk and decides to accept the consequences without taking any action to reduce or eliminate the risk. This strategy is usually chosen when the risk is low or the cost of mitigation is too high.
* Transfer: The company transfers the risk to a third party, such as an insurance company, a vendor, or a partner. This strategy is usually chosen when the risk is high or the company lacks the resources or expertise to handle the risk.
* Mitigate: The company implements controls or measures to reduce the likelihood or impact of the risk.
This strategy is usually chosen when the risk is moderate or the cost of mitigation is reasonable.
* Avoid: The company eliminates the risk by changing the scope, plan, or design of the project or the organization. This strategy is usually chosen when the risk is unacceptable or the cost of mitigation is too high.
By purchasing cyber insurance, the company is transferring the risk to the insurance company, which will cover the financial losses and liabilities in case of a cyberattack. Therefore, the correct answer is B.
Transfer. References = CompTIA Security+ Study Guide (SY0-701), Chapter 8: Governance, Risk, and Compliance, page 377. Professor Messer's CompTIA SY0-701 Security+ Training Course, Section 8.1: Risk Management, video: Risk Mitigation Strategies (5:37).
質問 # 146
ある会社の法務部門が SaaS アプリケーションで機密文書を作成し、高リスク国の個人がその文書にアクセスできないようにしたいと考えています。このアクセスを制限する最も効果的な方法はどれですか。
- A. 暗号化
- B. 地理位置情報ポリシー
- C. データ主権規制
- D. データマスキング
正解：B
解説：
A geolocation policy is a policy that restricts or allows access to data or resources based on the geographic location of the user or device. A geolocation policy can be implemented using various methods, such as IP address filtering, GPS tracking, or geofencing. A geolocation policy can help the company's legal department to prevent unauthorized access to sensitive documents from individuals in high-risk countries12.
The other options are not effective ways to limit access based on location:
* Data masking: This is a technique of obscuring or replacing sensitive data with fictitious or anonymized data. Data masking can protect the privacy and confidentiality of data, but it does not prevent access to data based on location3.
* Encryption: This is a process of transforming data into an unreadable format using a secret key or algorithm. Encryption can protect the integrity and confidentiality of data, but it does not prevent access to data based on location. Encryption can also be bypassed by attackers who have the decryption key or method4.
* Data sovereignty regulation: This is a set of laws or rules that govern the storage, processing, and transfer of data within a specific jurisdiction or country. Data sovereignty regulation can affect the availability and compliance of data, but it does not prevent access to data based on location. Data sovereignty regulation can also vary depending on the country or region.
References = 1: CompTIA Security+ SY0-701 Certification Study Guide, page 972: Account Policies - SY0-
601 CompTIA Security+ : 3.7, video by Professor Messer3: CompTIA Security+ SY0-701 Certification Study Guide, page 1004: CompTIA Security+ SY0-701 Certification Study Guide, page 101. : CompTIA Security+ SY0-701 Certification Study Guide, page 102.
質問 # 147
ある企業が政府向けの重要なシステムを開発しており、プロジェクト情報をファイル共有に保存しています。このデータがどのように分類される可能性が高いかを説明するのは次のうちどれですか? (2 つ選択してください)。
- A. 制限あり
- B. パブリック
- C. 機密
- D. 緊急
- E. 運用中
- F. プライベート
正解：A、C
解説：
Data classification is the process of assigning labels to data based on its sensitivity and business impact. Different organizations and sectors may have different data classification schemes, but a common one is the following1:
* Public: Data that can be freely disclosed to anyone without any harm or risk.
* Private: Data that is intended for internal use only and may cause some harm or risk if disclosed.
* Confidential: Data that is intended for authorized use only and may cause significant harm or risk if disclosed.
* Restricted: Data that is intended for very limited use only and may cause severe harm or risk if disclosed.
In this scenario, the company is developing a critical system for the government and storing project information on a fileshare. This data is likely to be classified as confidential and restricted, because it is not meant for public or private use, and it may cause serious damage to national security or public safety if disclosed. The government may also have specific requirements or regulations for handling such data, such as encryption, access control, and auditing2. References: 1: CompTIA Security+ Study Guide: Exam SY0-701,
9th Edition, page 16-17 2: Data Classification Practices: Final Project Description Released
質問 # 148
従業員がフィッシング詐欺に引っかかり、攻撃者が会社の PC にアクセスできるようになりました。攻撃者は PC のメモリをスクレイピングして他の認証情報を探しました。攻撃者はこれらの認証情報を解読することなく、それを使用して企業ネットワークを横方向に移動しました。このタイプの攻撃を説明するのは次のうちどれですか。
- A. SQLインジェクション
- B. バッファオーバーフロー
- C. ハッシュのパス
- D. 権限昇格
正解：C
解説：
The scenario describes an attacker who obtained credentials from a compromised system's memory and used them without cracking to move laterally within the network. This technique is known as a "pass-the-hash" attack, where the attacker captures hashed credentials (e.g., NTLM hashes) and uses them to authenticate and gain access to other systems without needing to know the plaintext password. This is a common attack method in environments where weak security practices or outdated protocols are in use.
References =
* CompTIA Security+ SY0-701 Course Content: The course discusses credential-based attacks like pass-the-hash, emphasizing their impact and the importance of protecting credential stores.
質問 # 149
次の脅威アクターのうち、外国政府に雇われて他国にある重要なシステムを攻撃する可能性が高いのはどれですか?
- A. 組織犯罪
- B. ハクティビスト
- C. 未熟な攻撃者
- D. 内部告発者
正解：A
解説：
Organized crime is a type of threat actor that is motivated by financial gain and often operates across national borders. Organized crime groups may be hired by foreign governments to conduct cyberattacks on critical systems located in other countries, such as power grids, military networks, or financial institutions. Organized crime groups have the resources, skills, and connections to carry out sophisticated and persistent attacks that can cause significant damage and disruption12. Reference = 1: Threat Actors - CompTIA Security+ SY0-701 - 2.1 2: CompTIA Security+ SY0-701 Certification Study Guide
質問 # 150
ある会社のエンドユーザーから、外部の Web サイトにアクセスできないという報告がありました。アナリストは、DNS サーバーのパフォーマンス データを調べたところ、CPU、ディスク、メモリの使用量は最小限であるものの、ネットワーク インターフェイスが受信トラフィックであふれていることを発見しました。ネットワーク ログには、このサーバーに送信された DNS クエリの数がわずかしか表示されていません。セキュリティ アナリストが見ている状況を最もよく表しているのは、次のどれですか。
- A. 反射型サービス拒否
- B. パス上のリソース消費
- C. 同時セッションの使用
- D. セキュアDNS暗号化のダウングレード
正解：A
解説：
A reflected denial of service (RDoS) attack is a type of DDoS attack that uses spoofed source IP addresses to send requests to a third-party server, which then sends responses to the victim server. The attacker exploits the difference in size between the request and the response, which can amplify the amount of traffic sent to the victim server. The attacker also hides their identity by using the victim's IP address as the source. A RDoS attack can target DNS servers by sending forged DNS queries that generate large DNS responses. This can flood the network interface of the DNS server and prevent it from serving legitimate requests from end users.
質問 # 151
ある組織では、顧客データを、メインの企業ネットワーク上のユーザーがアクセスできないネットワークの別の部分に保存したいと考えています。この目的を達成するために、管理者は次のどれを使用する必要がありますか?
- A. 暗号化
- B. パッチ適用
- C. セグメンテーション
- D. 孤立
正解：C
解説：
Segmentation is a network design technique that divides the network into smaller and isolated segments based on logical or physical boundaries. Segmentation can help improve network security by limiting the scope of an attack, reducing the attack surface, and enforcing access control policies. Segmentation can also enhance network performance, scalability, and manageability. To accomplish the goal of storing customer data on a separate part of the network, the administrator can use segmentation technologies such as subnetting, VLANs, firewalls, routers, or switches.
質問 # 152
システム管理者は境界ファイアウォールを設定しましたが、内部エンドポイント間の疑わしい接続が引き続き発生しています。疑わしいアクティビティによる脅威を軽減するには、次のうちどれを設定する必要がありますか?
- A. アクセス制御リスト
- B. アプリケーション許可リスト
- C. ホストベースのファイアウォール
- D. Web アプリケーション ファイアウォール
正解：C
解説：
A host-based firewall is a software application that runs on an individual endpoint and filters the incoming and outgoing network traffic based on a set of rules. A host-based firewall can help to mitigate the threat posed by suspicious connections between internal endpoints by blocking or allowing the traffic based on the source, destination, port, protocol, or application. A host-based firewall is different from a web application firewall, which is a type of firewall that protects web applications from common web-based attacks, such as SQL injection, cross-site scripting, and session hijacking. A host-based firewall is also different from an access control list, which is a list of rules that control the access to network resources, such as files, folders, printers, or routers. A host-based firewall is also different from an application allow list, which is a list of applications that are authorized to run on an endpoint, preventing unauthorized or malicious applications from executing. Reference: CompTIA Security+ Study Guide: Exam SY0-701, 9th Edition, page 254
質問 # 153
ある企業が物理サーバーを廃止し、個々のオペレーティング システムの数を減らすアーキテクチャに置き換えようとしています。このセキュリティ要件を満たすには、次のどの戦略を採用すべきでしょうか。
- A. 仮想化
- B. コンテナ化
- C. マイクロサービス
- D. コードとしてのインフラストラクチャ
正解：B
解説：
To reduce the number of individual operating systems while decommissioning physical servers, the company should use containerization. Containerization allows multiple applications to run in isolated environments on a single operating system, significantly reducing the overhead compared to running multiple virtual machines, each with its own OS.
Containerization: Uses containers to run multiple isolated applications on a single OS kernel, reducing the need for multiple OS instances and improving resource utilization.
Microservices: An architectural style that structures an application as a collection of loosely coupled services, which does not necessarily reduce the number of operating systems.
Virtualization: Allows multiple virtual machines to run on a single physical server, but each VM requires its own OS, not reducing the number of OS instances.
Infrastructure as code: Manages and provisions computing infrastructure through machine-readable configuration files, but it does not directly impact the number of operating systems.
質問 # 154
ある企業は、脅威サーフェス プログラムを拡張し、個人が同社のインターネット向けアプリケーションのセキュリティ テストを行えるようにしています。同社は、発見された脆弱性に基づいて研究者に報酬を支払う予定です。同社が設定しているプログラムについて最もよく説明されているのは次のうちどれですか。
- A. オープンソースインテリジェンス
- B. 侵入テスト
- C. レッドチーム
- D. バグバウンティ
正解：D
解説：
A bug bounty is a program that rewards security researchers for finding and reporting vulnerabilities in an application or system. Bug bounties are often used by companies to improve their security posture and incentivize ethical hacking. A bug bounty program typically defines the scope, rules, and compensation for the researchers. Reference = CompTIA Security+ Study Guide with over 500 Practice Test Questions: Exam SY0-701, 9th Edition, Chapter 1, page 10. CompTIA Security+ (SY0-701) Certification Exam Objectives, Domain 1.1, page 2.
質問 # 155
ある銀行は、すべてのベンダーが盗難されたラップトップのデータ損失を防止する必要があると主張しています。銀行が要求している戦略は次のどれですか。
- A. 権限制限
- B. マスキング
- C. 保存時の暗号化
- D. データ分類
正解：C
解説：
Encryption at rest is a strategy that protects data stored on a device, such as a laptop, by converting it into an unreadable format that can only be accessed with a decryption key or password. Encryption at rest can prevent data loss on stolen laptops by preventing unauthorized access to the data, even if the device is physically compromised. Encryption at rest can also help comply with data privacy regulations and standards that require data protection. Masking, data classification, and permission restrictions are other strategies that can help protect data, but they may not be sufficient or applicable for data stored on laptops. Masking is a technique that obscures sensitive data elements, such as credit card numbers, with random characters or symbols, but it is usually used for data in transit or in use, not at rest. Data classification is a process that assigns labels to data based on its sensitivity and business impact, but it does not protect the data itself. Permission restrictions are rules that define who can access, modify, or delete data, but they may not prevent unauthorized access if the laptop is stolen and the security controls are bypassed. Reference: CompTIA Security+ Study Guide: Exam SY0-701, 9th Edition, page 17-18, 372-373
質問 # 156
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