300-215受験料 & 300-215関連試験

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Cisco 300-215 Exam Syllabus Topics:

Section	Weight	Objectives
Incident Response Techniques	25%	- Respond to incidents 1. Triage and prioritize incidents 2. Contain threats 3. Eradicate threats - Detect incidents 1. Identify indicators of compromise (IoCs) 2. Analyze alerts from firewalls, IPS, and other sources - Use Cisco technologies for response 1. Cisco Umbrella Investigate 2. Cisco AMP for Endpoints/Network 3. Cisco Stealthwatch 4. Cisco SecureX
Fundamentals	20%	- Explain digital forensics concepts 1. Evidence preservation 2. Chain of custody 3. Forensic readiness - Explain legal and regulatory considerations 1. Privacy concerns 2. Compliance requirements - Describe incident response concepts 1. Incident response lifecycle (PICERL) 2. Incident response plan components 3. Roles and responsibilities in incident response
Forensics Techniques	20%	- Analyze digital evidence 1. Memory forensics 2. Malware analysis basics 3. Timeline analysis - Collect digital evidence 1. Network traffic analysis 2. Endpoint forensics 3. Log analysis - Apply forensic tools 1. YARA 2. Splunk 3. Wireshark
Forensics Processes	15%	- Follow forensic investigation methodology 1. Collection 2. Analysis 3. Examination 4. Preservation 5. Identification 6. Reporting - Apply evidence handling procedures 1. Collection and preservation of volatile and non-volatile evidence 2. Maintaining integrity of evidence
Incident Response Processes	20%	- Perform post-incident activities 1. Recommend mitigation actions 2. Lessons learned 3. Improve incident response plan - Conduct root cause analysis 1. Identify root cause of incidents 2. Analyze components for RCA report - Implement proactive threat hunting 1. Identify potential threats 2. Conduct audits

>> 300-215受験料 <<

300-215関連試験 & 300-215オンライン試験

オンライン版はあらゆる電子機器に公開されています。同時に、300-215学習資料のオンライン版はオフライン状態でも使用できます。オンライン状態にあるときに初めてオンラインバージョンを使用する必要があります。 300-215学習教材のバージョンをオフラインで使用する権利があります。また、300-215の学習教材をさらに検討する場合は、短時間で300-215試験に簡単に合格する必要があります。

Cisco Conducting Forensic Analysis & Incident Response Using Cisco Technologies for CyberOps 認定 300-215 試験問題 (Q41-Q46):

質問 # 41

Refer to the exhibit. A network administrator creates an Apache log parser by using Python. What needs to be added in the box where the code is missing to accomplish the requirement?

A. r''\b{1-9}[0-9}\b'
B. r'*\b'
C. r'\d(1,3),\d(1.3),\d{13}.df{1,3}'
D. r'\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}'

正解：D

解説：
The goal of the given Python code is to parse an Apache access log and extract IP addresses using regular expressions (regex). In this context, the most appropriate regex pattern to extract IPv4 addresses from log data is:
* r'\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}'
This pattern matches typical IPv4 addresses, where each octet consists of 1 to 3 digits separated by periods.
For example, it matches addresses like 192.168.1.1 or 10.0.0.123. The pattern uses:
* \d{1,3} to capture between 1 and 3 digits,
* \. to match the dot (escaped since . is a special character in regex),
* repeated 4 times with proper separation to form the full IPv4 structure.
Options A, B, and C either include incorrect syntax, improper escape sequences, or do not represent a valid IP address pattern.
This type of log analysis and pattern extraction is described in the Cisco CyberOps Associate curriculum under basic scripting and automation techniques used in log and artifact analysis.
Reference: CyberOps Technologies (CBRFIR) 300-215 study guide, Section: "Basic Python Scripting for Security Analysts" and "Log Analysis and Data Extraction using Regex."

質問 # 42
Refer to the exhibit.

What do these artifacts indicate?

A. A forged DNS request is forwarding users to malicious websites.
B. A malicious file is redirecting users to different domains.
C. The MD5 of a file is identified as a virus and is being blocked.
D. An executable file is requesting an application download.

正解：B

解説：
From the exhibit, the first artifact (PE32 executable from syracusecoffee.com) and the second artifact (HTML from qstride.com) suggest a staged malware delivery method. The executable and the HTML file are linked to different domains, often indicating redirection or multi-stage infection strategies, which is common in phishing or malvertising campaigns.
The Cisco guide explains this tactic as: "One file may appear benign but can initiate downloads or connections to external resources to fetch additional payloads or redirect users". This pattern of domain redirection strongly supports Option B.

質問 # 43
An enterprise security analyst is investigating a potential breach. Internal logs show repeated login failures from an internal IP address, followed by a successful login during the early morning when no staff should be active. External threat intelligence associates the IP range with a known malicious actor. Which action correctly interprets the threat-intelligence data and determines IOCs and IOAs?

A. Focus on internal log data while considering external threat feeds only for broader context.
B. Compare the successful login's IP address with known malicious IP ranges and analyze the account's subsequent actions.
C. Treat the login failures as a potential system error because a successful login eventually occurred.
D. Monitor the internal IP address for additional login attempts before investigating further.

正解：B

解説：
Option C correlates the external intelligence with the observed authentication sequence and then tests what the account did after access. The IP-range match is an IOC because it connects the session to infrastructure associated with a malicious actor. Repeated failures, an off-hours success, and subsequent account behavior can form IOAs by showing credential guessing, account compromise, discovery, privilege misuse, or lateral movement. Internal logs should not be evaluated in isolation when relevant external intelligence is available.
A successful login after repeated failures increases rather than removes suspicion, and merely waiting for more attempts risks allowing an active compromise to continue. CBRFIR Incident Response Techniques objectives 3.2 and 3.9 require responders to correlate host and network data and interpret internal and external threat-intelligence feeds to determine IOCs and IOAs. The selected action performs both requirements directly. Cisco CBRFIR v1.2 exam topics

質問 # 44
An "unknown error code" is appearing on an ESXi host during authentication. An engineer checks the authentication logs but is unable to identify the issue. Analysis of the vCenter agent logs shows no connectivity errors. What is the next log file the engineer should check to continue troubleshooting this error?

A. /var/log/shell.log
B. /var/log/syslog.log
C. /var/log/vmksummary.log
D. /var/log/general/log

正解：C

解説：
In VMware ESXi systems, the vmksummary.log file is responsible for capturing general system events, including uptime, reboot statistics, and key service-related issues. It serves as a valuable source for troubleshooting persistent or unexplained system behaviors.
The Cisco CyberOps study guide references log file paths used in system diagnostics and incident response, and for authentication-related issues on ESXi where standard logs don't yield insights, vmksummary.log is the recommended next source for identifying systemic service faults or anomalies.

質問 # 45
Refer to the exhibit.

An HR department submitted a ticket to the IT helpdesk indicating slow performance on an internal share server. The helpdesk engineer checked the server with a real-time monitoring tool and did not notice anything suspicious. After checking the event logs, the engineer noticed an event that occurred 48 hour prior. Which two indicators of compromise should be determined from this information? (Choose two.)

A. denial of service attack
B. privilege escalation
C. malware outbreak
D. unauthorized system modification
E. compromised root access

正解：D、E

質問 # 46
......

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