Cisco 300-215受験料、300-215日本語版対策ガイド

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Cisco 300-215 Exam Syllabus Topics:

SectionWeightObjectives
Incident Response Processes20%- Implement proactive threat hunting
  • 1. Conduct audits
  • 2. Identify potential threats
- Conduct root cause analysis
  • 1. Identify root cause of incidents
  • 2. Analyze components for RCA report
- Perform post-incident activities
  • 1. Lessons learned
  • 2. Recommend mitigation actions
  • 3. Improve incident response plan
Forensics Processes15%- Apply evidence handling procedures
  • 1. Collection and preservation of volatile and non-volatile evidence
  • 2. Maintaining integrity of evidence
- Follow forensic investigation methodology
  • 1. Analysis
  • 2. Identification
  • 3. Examination
  • 4. Collection
  • 5. Reporting
  • 6. Preservation
Incident Response Techniques25%- Use Cisco technologies for response
  • 1. Cisco AMP for Endpoints/Network
  • 2. Cisco SecureX
  • 3. Cisco Umbrella Investigate
  • 4. Cisco Stealthwatch
- Detect incidents
  • 1. Analyze alerts from firewalls, IPS, and other sources
  • 2. Identify indicators of compromise (IoCs)
- Respond to incidents
  • 1. Contain threats
  • 2. Triage and prioritize incidents
  • 3. Eradicate threats
Fundamentals20%- Explain legal and regulatory considerations
  • 1. Compliance requirements
  • 2. Privacy concerns
- Describe incident response concepts
  • 1. Incident response lifecycle (PICERL)
  • 2. Roles and responsibilities in incident response
  • 3. Incident response plan components
- Explain digital forensics concepts
  • 1. Chain of custody
  • 2. Evidence preservation
  • 3. Forensic readiness
Forensics Techniques20%- Collect digital evidence
  • 1. Network traffic analysis
  • 2. Endpoint forensics
  • 3. Log analysis
- Apply forensic tools
  • 1. Splunk
  • 2. YARA
  • 3. Wireshark
- Analyze digital evidence
  • 1. Memory forensics
  • 2. Malware analysis basics
  • 3. Timeline analysis

>> Cisco 300-215受験料 <<

300-215日本語版対策ガイド、300-215関連日本語内容

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Cisco Conducting Forensic Analysis & Incident Response Using Cisco Technologies for CyberOps 認定 300-215 試験問題 (Q182-Q187):

質問 # 182
A website administrator has an output of an FTP session that runs nightly to download and unzip files to a local staging server. The download includes thousands of files, and the manual process used to find how many files failed to download is time-consuming. The administrator is working on a PowerShell script that will parse a log file and summarize how many files were successfully downloaded versus ones that failed. Which script will read the contents of the file one line at a time and return a collection of objects?

正解：C

解説：
The PowerShell cmdlet Get-Content reads content line-by-line from a file and is commonly used for processing logs or large text files. When combined with Select-String, it can search for specific patterns (such as "ERROR" or "SUCCESS") within those lines and return a collection of matching objects, including metadata like line number and line content.
Option D uses:
* Get-Content -Path: Correct syntax to read the log file from a UNC path.
* Select-String "ERROR", "SUCCESS": Searches for these terms in each line and returns matching lines as structured output.
The other options (A, B, C) use non-existent or incorrect cmdlets/parameters such as Get-Content-Folder, - ifmatch, -Directory, which are invalid in PowerShell.
Reference:CyberOps Technologies (CBRFIR) 300-215 study guide, Chapter on "Automation and Scripting Tools," which discusses PowerShell usage for forensic log analysis and pattern searching using cmdlets like Get-Content and Select-String.


質問 # 183
Refer to the exhibit.

A security analyst reviews Splunk results for a public web server. What does the log activity indicate?

正解：C

解説：
The repeated ../ sequences attempt to move above the web application's intended directory and request operating-system files such as /etc/passwd, /etc/shadow, /etc/hosts, and windows/win.ini. Requests from the same client appear across both Apache and NGINX sources, forming a clear directory-traversal reconnaissance pattern. HTTP 403 and 404 responses suggest these particular requests were denied or the paths were unavailable; they do not make the attempts benign or prove that no other request succeeded. The paths are deliberately constructed, not ordinary public-content requests, health checks, or mere encoding errors. Option A therefore best describes the activity. This interpretation directly supports CBRFIR objective 4.2, analysis of modern web-application and server logs, and objective 3.1, alert interpretation. OWASP's path-traversal guidance identifies repeated parent-directory sequences and /etc/passwd as characteristic examples.


質問 # 184
Refer to the exhibit.

What is occurring?

正解：B

解説：
The command in the image uses schtasks /create with the ONLOGON schedule and System user context to execute test.exe. This is a well-documented persistence technique, where an attacker ensures that a malicious executable is launched automatically at each system logon. This kind of scheduled task creation aligns with persistence techniques in the MITRE ATT&CK framework (T1053).
-


質問 # 185
Which magic byte indicates that an analyzed file is a pdf file?

正解：C

解説：
The magic number (also known as a magic byte) is a sequence of bytes used to identify the format of a file.
For PDF files, the standard magic number is:
25 50 44 46, which translates to%PDFin ASCII. OptionC(255044462d) begins with25 50 44 46, confirming it's a PDF file signature. This is a key forensic detail when performing file type identification and validation of potentially obfuscated or renamed files.


質問 # 186
Refer to the exhibit.

The application x-dosexec with hash
691c65e4fb1d19f82465df1d34ad51aaeceba14a78167262dc7b2840a6a6aa87 is reported as malicious and labeled as "Trojan.Generic" by the threat intelligence tool. What is considered an indicator of compromise?

正解：B

解説：
Comprehensive and Detailed Explanation:
The exhibit lists several behaviors under categories such as Remote Access, Stealer/Phishing, Persistence, and Evasive Marks. Notably, under "Persistence" it states:
* "Writes data to a remote process"
This behavior is indicative of "process injection," a technique where malware writes or injects malicious code into the address space of another process. This allows the malware to evade detection and run within the context of a legitimate process.
This matches the MITRE ATT&CK technique T1055 (Process Injection), which is also discussed in the Cisco CyberOps Associate guide under evasion and persistence tactics used by malware.
While modified registry and data compression are possible signs of malware, they are not explicitly referenced in the exhibit. The definitive indicator shown is related to process injection.
Therefore, the correct answer is: C. process injection.


質問 # 187
......

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