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CompTIA CS0-004 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Security Operations	34%	- Security Operations and Architecture 1. Logging, monitoring, and network architecture 2. Indicators of malicious activity and analysis - Threat Intelligence and Hunting 1. Threat intelligence concepts and sources 2. Threat hunting, detection, and response tools
Topic 2: Vulnerability Management	26%	- Vulnerability Response 1. Security controls and mitigation 2. Risk prioritization and remediation - Vulnerability Assessment 1. Vulnerability analysis and validation 2. Scanning methods and vulnerability identification
Topic 3: Reporting and Communication	16%	- Reporting 1. Metrics, trends, and recommendations 2. Vulnerability and incident reports - Communication 1. Stakeholder communication and escalation 2. Technical and executive-level communication
Topic 4: Incident Response and Management	24%	- Incident Response Processes 1. Incident detection, containment, eradication, and recovery 2. Incident response tools and techniques - Incident Investigation 1. Digital evidence and forensic considerations 2. Post-incident activities and lessons learned

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CompTIA Cybersecurity Analyst (CySA+) Certification Exam Sample Questions (Q73-Q78):

NEW QUESTION # 73
Which of the following is the main concept behind the use of an attack methodology framework?

A. Approaching cybersecurity from the perspective of a threat actor and using their common behaviors and motivations to identify secure solutions
B. Prioritizing vulnerabilities that can be exploited based on risk calculations and using the consequences and likelihood of the exploits to determine where resources should be allocated
C. Applying a Zero Trust environment by assuming networks and systems are vulnerable to malicious actions by both external, hostile adversaries and insider threats
D. Implementing continuous monitoring and rapid deployment of system fixes over the traditional patch, test, and deploy approach

Answer: A

Explanation:
Attack methodology frameworks model how adversaries think and operate, helping defenders anticipate attack behaviors and design effective detections and controls.

NEW QUESTION # 74
A security analyst reruns infrastructure as code (IaC) to tear down and rebuild a new environment after a ransomware attack. Which of the following describes this phase?

A. Containment
B. Analysis
C. Post-incident
D. Recovery
E. Detection

Answer: D

Explanation:
Rebuilding the environment from trusted IaC configurations restores systems and services to normal operation after the ransomware attack.

NEW QUESTION # 75
Customers are unable to upload files to an SFTP server. Firewall logs show the following activity sourced from multiple IP addresses in one geographic region:

The analyst reviewing the logs notices that the session_end_reason does not change for any of the log entries. Which of the following is the next step the analyst should take to determine what is occurring?

A. Correct the misconfigured firewall by blocking dest_port 22 to prevent further credential brute- force attacks from src_IP 103. l. 114.26.
B. Review endpoint detection logs on the SFTP server for any malware running on dest_port 22 that may be intercepting client communications.
C. Take a packet capture of all traffic to or from dest_IP 199.52.99.11 to see whether it is responding to SYN-ACK with an ACK.
D. Submit a request to the engineering team to restart SFTP services on the host due to the session limit being reached.

Answer: C

Explanation:
The firewall log shows TCP traffic to port 22 is being allowed, but the sessions consistently end with an "aged-out/incomplete" status. This commonly indicates that the TCP three-way handshake is not completing. Capturing packets to determine whether the server is responding properly and whether clients are completing the handshake is the appropriate next step to identify where the connection process is failing.

NEW QUESTION # 76
A security operations center analyst is using the command line to display specific traffic.
The analyst uses the following command:
$tshark -r file.pcap -Y "http or udp"
Which of the following will the command line display?

A. Encrypted web requests and Domain Name System (DNS) traffic
B. Both encrypted and unencrypted web and DNS traffic
C. Unencrypted web requests and DNS traffic
D. Neither encrypted nor unencrypted web and DNS traffic

Answer: C

Explanation:
The -r file.pcap argument instructs TShark to read packets from the specified capture file, while -Y applies a Wireshark display filter . The expression "http or udp" therefore displays packets recognized as HTTP or packets using UDP.
Traditional HTTP traffic is unencrypted and can be dissected directly as HTTP. HTTPS normally carries HTTP inside TLS encryption and therefore is not displayed merely because the filter specifies http. DNS commonly operates over UDP, particularly for standard queries and responses, so ordinary DNS traffic satisfies the udp portion of the expression. Consequently, B is the best answer in the context of the available choices.
A technical distinction is important: the expression does not mean "HTTP or DNS specifically." The udp portion matches UDP traffic generally, which can include protocols other than DNS. Nevertheless, within the examination scenario, the intended comparison is plaintext HTTP versus encrypted HTTPS together with standard UDP-based DNS.
Wireshark's documentation distinguishes display filters from capture filters, and TShark is the command-line network traffic analyzer within the Wireshark suite. CS0-004 places packet-analysis capabilities within Security Operations.
Study Guide Reference: Security Operations # Packet Analysis # Wireshark/TShark # PCAP Analysis # Display Filters # HTTP, UDP, and DNS.

NEW QUESTION # 77
The Chief Information Security Officer (CISO) reviews the following security operations metrics from the last month:

Which of the following is the best action to improve overall security operations efficiency?

A. Analyze and tune the detections that are causing non-actionable alerts.
B. Leverage a cloud security posture management tool to add asset context to alerts.
C. Implement playbooks for the junior analysts to use during investigations.
D. Perform internal incident training on the most common alerts from security information and event management (SIEM).

Answer: A

Explanation:
The large number of alerts and investigations compared with only five confirmed incidents indicates excessive non-actionable alerts. Tuning detection rules reduces false positives and unnecessary analyst workload.

NEW QUESTION # 78
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