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Cisco 300-215 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Fundamentals	20%	- Describe incident response concepts 1. Roles and responsibilities in incident response 2. Incident response plan components 3. Incident response lifecycle (PICERL) - Explain digital forensics concepts 1. Forensic readiness 2. Chain of custody 3. Evidence preservation - Explain legal and regulatory considerations 1. Privacy concerns 2. Compliance requirements
Topic 2: Forensics Techniques	20%	- Collect digital evidence 1. Network traffic analysis 2. Endpoint forensics 3. Log analysis - Analyze digital evidence 1. Malware analysis basics 2. Timeline analysis 3. Memory forensics - Apply forensic tools 1. Splunk 2. YARA 3. Wireshark
Topic 3: Incident Response Techniques	25%	- Respond to incidents 1. Eradicate threats 2. Contain threats 3. Triage and prioritize incidents - 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 Stealthwatch 3. Cisco AMP for Endpoints/Network 4. Cisco SecureX
Topic 4: Forensics Processes	15%	- Apply evidence handling procedures 1. Maintaining integrity of evidence 2. Collection and preservation of volatile and non-volatile evidence - Follow forensic investigation methodology 1. Collection 2. Identification 3. Preservation 4. Analysis 5. Examination 6. Reporting
Topic 5: Incident Response Processes	20%	- 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 - Perform post-incident activities 1. Lessons learned 2. Improve incident response plan 3. Recommend mitigation actions

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Cisco Conducting Forensic Analysis & Incident Response Using Cisco Technologies for CyberOps Sample Questions (Q171-Q176):

NEW QUESTION # 171
Refer to the exhibit. An engineer needs to authenticate to the Cisco Umbrella Investigate API to retrieve details and traffic logs. What action is required in the script?
import requests
url = " https://investigate.api.umbrella.com/dnsdb/name/a/example.com.json " headers = {
" Authorization " : " " ,
" cache-control " : " no-cache "
}
response = requests.get(url, headers=headers)
print(response.text)

A. An access token must be added.
B. The PUT method must be added.
C. The script must be reformatted.
D. A header must be added.

Answer: A

Explanation:
The request already contains an Authorization header, but its value is empty. The engineer must place a valid access token in that field, normally in the form Authorization: Bearer < token > . Cisco's Investigate API documentation states that requests use HTTPS with Bearer-token authentication and that every request requires the token in the Authorization header. A new header is therefore unnecessary; the existing one must be populated. The endpoint is retrieving information, so the existing GET request is appropriate and adding PUT would change the operation incorrectly. Formatting is not the authentication failure. Tokens and API secrets must be protected, obtained through the approved Umbrella credential process, and never hard-coded in production source. This maps to CBRFIR Forensics Techniques objective 2.5, which includes scripting against Cisco Umbrella and other data sources. Cisco Umbrella Investigate authentication

NEW QUESTION # 172

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'\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}'
C. r'\d(1,3),\d(1.3),\d{13}.df{1,3}'
D. r'*\b'

Answer: B

Explanation:
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 like192.168.1.1or10.0.0.123. 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."

NEW QUESTION # 173
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. ARP spoofing; configure port security
B. DNS spoofing; encrypt communication protocols
C. MAC flooding; assign static entries
D. SYN flooding; block malicious packets

Answer: A

Explanation:
The exhibit shows multipleARP reply packetswith the same IP addresses (192.168.51.105and192.
168.51.201) being mapped todifferent MAC addresses, which triggers the message: "duplicate use of [IP] detected". This is a strong indicator of anARP 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 recommendsconfiguring port securityon switches as a method tomitigate ARP spoofing, by limiting the number of MAC addresses allowed per port or statically assigning legitimate MAC addresses to switch ports.

NEW QUESTION # 174
Refer to the exhibit.

Which two actions should be taken as a result of this information? (Choose two.)

A. Block any URLs in received emails.
B. Blacklist IPs 164.90.168.78 and 199.19.224.83.
C. Block any malicious activity with xfe-threat-score-10.
D. Block any access to and from domain apponline-8473.xyz.
E. Block all emails sent from malicious domain apponline-8473.xyz.

Answer: B,D

Explanation:
Comprehensive and Detailed Explanation:
The exhibit contains STIX (Structured Threat Information Expression) formatted threat intelligence indicating:
A phishing indicator related to the domain: apponline-8473.xyz
Associated malicious IP addresses: 164.90.168.78 and 199.19.224.83
Labelled as " malicious-activity " with " xfe-threat-score-10 "
Based on this:
Option B is correct: The IP addresses explicitly listed in the pattern field should be blacklisted to prevent command-and-control or malicious connections.
Option C is correct: The domain apponline-8473.xyz is also listed and flagged as involved in phishing, so DNS and firewall rules should block access to and from this domain.
Options A and E are too broad or speculative; the data specifies a specific domain, not a generic block on all emails or URLs. Option D refers to a label used for classification and not a directly actionable item.
Therefore, the correct answers are: B and C.

NEW QUESTION # 175
A cybersecurity analyst must evaluate files from an endpoint in an enterprise network. The antivirus software on the endpoint flagged a suspicious file during a routine scan On initial evaluation the file did not match any known signatures in the antivirus database, but exhibited unusual network behavior during dynamic analysis Which step should the analyst take next?

A. Flag the file as a potential false positive due to not matching any known malware signatures
B. Submit the file to a threat intelligence platform for further analysis and to identify potential lOCs.
C. Install different antivirus software on the endpoint and perform another deep scan of affected assets.
D. Delete the file immediately from the endpoint to prevent the potential spread of malware.

Answer: B

NEW QUESTION # 176
......

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