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Eccouncil 212-82認定試験は、ネットワークセキュリティ、脅威インテリジェンス、インシデント対応、脆弱性管理など、サイバーセキュリティに関連するさまざまな分野を対象としています。この試験は、サイバーセキュリティのキャリアを追求したい、またはすでに分野で働いており、スキルと知識を検証したい個人を対象としています。認定試験は、ポートフォリオにサイバーセキュリティスキルを追加したいIT専門家にも適しています。

認定サイバーセキュリティ技術者試験は、サイバーセキュリティの基本、ネットワークセキュリティ、オペレーティングシステムセキュリティ、クラウドセキュリティなど、幅広いトピックをカバーしています。この試験は、100問の多肢選択問題からなり、受験者は3時間で解答する必要があります。合格するには、候補者は少なくとも70％のスコアを達成する必要があります。試験に合格すると、候補者は認定サイバーセキュリティ技術者として認定され、情報システムやネットワークをサイバー攻撃から守る能力を証明します。この認定は雇用者から高く評価され、サイバーセキュリティ分野で幅広いキャリアの機会を提供します。

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ECCouncil Certified Cybersecurity Technician 認定 212-82 試験問題 (Q38-Q43):

質問 # 38
A software company develops new software products by following the best practices for secure application development. Dawson, a software analyst, is responsible for checking the performance of applications in the client's network to determine any issue faced by end users while accessing the application.
Which of the following tiers of the secure application development lifecycle involves checking the application performance?

A. Testing
B. Development
C. Staging
D. Quality assurance (QA)

正解：A

解説：
Testing is the tier of the secure application development lifecycle that involves checking the application performance in the above scenario. Secure application development is a process that involves designing, developing, deploying, and maintaining software applications that are secure and resilient to threats and attacks. Secure application development can be based on various models or frameworks, such as SDLC (Software Development Life Cycle), OWASP (Open Web Application Security Project), etc. Secure application development consists of various tiers or stages that perform different tasks or roles. Testing is a tier of the secure application development lifecycle that involves verifying and validating the functionality and security of software applications before releasing them to end users. Testing can include various types of tests, such as unit testing, integration testing, system testing, performance testing, security testing, etc.
Testing can be used to check the application performance and identify any errors, bugs, or vulnerabilities in the software applications. In the scenario, a software company develops new software products by following the best practices for secure application development. Dawson, a software analyst, is responsible for checking the performance of applications in the client's network to determine any issue faced by end users while accessing the application. This means that he performs testing for this purpose. Development is a tier of the secure application development lifecycle that involves creating and coding software applications according to the design and specifications. Staging is a tier of the secure application development lifecycle that involves deploying software applications to a simulated or pre-production environment for testing or evaluation purposes. Quality assurance (QA) is a tier of the secure application development lifecycle that involves ensuring that software applications meet the quality standards and expectations of end users and stakeholders

質問 # 39
NexaCorp. an enterprise with a robust Linux infrastructure, has been facing consistent downtimes without any apparent reasons. The company's initial investigation suggests possible unauthorized system-level changes.
NexaCorp's IT team realizes that It needs to monitor andanalyze system logs more efficiently to pinpoint the cause. What would be the optimal approach for NexaCorp to monitor and analyze its Linux system logs to detect and prevent unauthorized changes?

A. Implement a SIEM system that centralizes, correlates, and analyzes logs in real-time.
B. Monitor and analyze the /var/)og/syslog file daily for any unusual activities.
C. Only focus on monitoring SSH logs since most changes likely come through remote access.
D. Set up an automated script to send alerts if the last' command shows unexpected users.

正解：A

解説：
For NexaCorp to effectively monitor and analyze system logs, implementing a Security Information and Event Management (SIEM) system is the optimal approach:
* SIEM Overview: SIEM systems collect, normalize, and analyze log data from various sources in real-time.
* Benefits:
* Centralization: Aggregates logs from all systems into a single platform.
* Correlation: Identifies patterns and correlates events from different sources to detect anomalies.
* Implementation Steps:
* Select a SIEM Solution: Choose a suitable SIEM tool (e.g., Splunk, ELK Stack, QRadar).
* Integration: Configure the SIEM to collect logs from all relevant systems.
* Alerting and Reporting: Set up alerts for suspicious activities and generate periodic reports.
References:
* SIEM Basics: Link
* Implementing SIEM: Link

質問 # 40
Ruben, a crime investigator, wants to retrieve all the deleted files and folders in the suspected media without affecting the original files. For this purpose, he uses a method that involves the creation of a cloned copy of the entire media and prevents the contamination of the original media.
Identify the method utilized by Ruben in the above scenario.

A. Logical acquisition
B. Bit-stream imaging
C. Sparse acquisition
D. Drive decryption

正解：B

解説：
Bit-stream imaging is the method utilized by Ruben in the above scenario. Bit-stream imaging is a method that involves creating a cloned copy of the entire media and prevents the contamination of the original media. Bit-stream imaging copies all the data on the media, including deleted files and folders, hidden partitions, slack space, etc., at a bit level. Bit-stream imaging preserves the integrity and authenticity of the digital evidence and allows further analysis without affecting the original media. Sparse acquisition is a method that involves creating a partial copy of the media by skipping empty sectors or blocks. Drive decryption is a method that involves decrypting an encrypted drive or partition using a password or a key. Logical acquisition is a method that involves creating a copy of the logical files and folders on the media using file system commands.

質問 # 41
A text file containing sensitive information about the organization has been leaked and modified to bring down the reputation of the organization. As a safety measure, the organization did contain the MD5 hash of the original file. The file which has been leaked is retained for examining the integrity. A file named "Sensitiveinfo.txt" along with OriginalFileHash.txt has been stored in a folder named Hash in Documents of Attacker Machine-1. Compare the hash value of the original file with the leaked file and state whether the file has been modified or not by selecting yes or no.

A. Yes
B. No

正解：A

解説：
Yes is the answer to whether the file has been modified or not in the above scenario. A hash is a fixed-length string that is generated by applying a mathematical function, called a hash function, to a piece of data, such as a file or a message. A hash can be used to verify the integrity or authenticity of data by comparing it with another hash value of the same data . A hash value is unique and any change in the data will result in a different hash value . To compare the hash value of the original file with the leaked file and state whether the file has been modified or not, one has to follow these steps:
Navigate to Hash folder in Documents of Attacker-1 machine.
Open OriginalFileHash.txt file with a text editor.
Note down the MD5 hash value of the original file as 8f14e45fceea167a5a36dedd4bea2543 Open Command Prompt and change directory to Hash folder using cd command.
Type certutil -hashfile Sensitiveinfo.txt MD5 and press Enter key to generate MD5 hash value of leaked file.
Note down the MD5 hash value of leaked file as 9f14e45fceea167a5a36dedd4bea2543 Compare both MD5 hash values.
The MD5 hash values are different , which means that the file has been modified.

質問 # 42
Zayn, a network specialist at an organization, used Wireshark to perform network analysis. He selected a Wireshark menu that provided a summary ol captured packets, IO graphs, and flow graphs. Identify the Wireshark menu selected by Zayn in this scenario.

A. Analyze
B. Packet list panel
C. Status bar
D. Statistics

正解：D

解説：
Statistics is the Wireshark menu selected by Zayn in this scenario. Statistics is a Wireshark menu that provides a summary of captured packets, IO graphs, and flow graphs. Statistics can be used to analyze various aspects of network traffic, such as protocols, endpoints, conversations, or packet lengths.

質問 # 43
......

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212-82日本語試験情報 & 212-82試験資料

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ECCouncil Certified Cybersecurity Technician 認定 212-82 試験問題 (Q38-Q43):

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