Cisco 300-215テストトレーニング: Conducting Forensic Analysis & Incident Response Using Cisco Technologies for CyberOps - Topexam簡単に勉強できるようにします

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Cisco 300-215 Exam Syllabus Topics:

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

>> 300-215テストトレーニング <<

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Cisco Conducting Forensic Analysis & Incident Response Using Cisco Technologies for CyberOps 認定 300-215 試験問題 (Q96-Q101):

質問 # 96
Refer to the exhibit.

A security analyst notices unusual connections while monitoring traffic. What is the attack vector, and which action should be taken to prevent this type of event?

A. MAC flooding; assign static entries
B. SYN flooding; block malicious packets
C. ARP spoofing; configure port security
D. DNS spoofing; encrypt communication protocols

正解：C

解説：
The exhibit shows multiple ARP reply packets with the same IP addresses (192.168.51.105 and
192.168.51.201) being mapped to different MAC addresses, which triggers the message: " duplicate use of
[IP] detected " . This is a strong indicator of an ARP spoofing (or poisoning) attack.
ARP spoofing occurs when a malicious actor sends falsified ARP messages to associate their MAC address with the IP address of another host. This misleads other devices on the network and allows interception or redirection of traffic.
The Cisco CyberOps Associate guide specifically recommends configuring port security on switches as a method to mitigate ARP spoofing, by limiting the number of MAC addresses allowed per port or statically assigning legitimate MAC addresses to switch ports.

質問 # 97
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?

A. modified registry
B. data compression
C. hooking
D. process injection

正解：D

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 # 98
Refer to the exhibit.

An experienced cybersecurity analyst is investigating a sophisticated suspected breach on a Windows server within an enterprise network and compiled the evidence gathered so far Which action should the analyst prioritize to understand the scope and impact of the breach?

A. Investigate the Windows Registry modifications for potential backdoors and establish a timeline of unauthorized changes
B. Perform a forensic memory analysis to isolate and identify the polymorphic malware's behavior and characteristics
C. Conduct a deep dive analysis of the outbound network traffic to trace the foreign IP addresses
D. Review the security log alterations to understand the methods used to deactivate security systems

正解：B

質問 # 99
Over the last year, an organization's HR department has accessed data from its legal department on the last day of each month to create a monthly activity report. An engineer is analyzing suspicious activity alerted by a threat intelligence platform that an authorized user in the HR department has accessed legal data daily for the last week. The engineer pulled the network data from the legal department's shared folders and discovered above average-size data dumps. Which threat actor is implied from these artifacts?

A. malicious insider
B. privilege escalation
C. external exfiltration
D. internal user errors

正解：A

解説：
A "malicious insider" is someone within the organization who has authorized access but intentionally misuses that access to extract or exfiltrate data. In this case:
* The HR user has legitimate access but deviates from their normal behavior pattern (accessing legal data daily instead of monthly).
* The presence of large data dumps and the alert from a threat intelligence platform suggest intentional misuse rather than accidental behavior.
According to the Cisco CyberOps Associate guide, insider threats are identified by behavioral anomalies, especially involving sensitive data access patterns inconsistent with role-based access and historical usage profiles.

質問 # 100
Drag and drop the capabilities on the left onto the Cisco security solutions on the right.

正解：

解説：

質問 # 101
......

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300-215受験練習参考書: https://www.topexam.jp/300-215_shiken.html

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