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| Section | Weight | Objectives |
|---|---|---|
| Incident Response Management | 20% | - Coordination and communication
|
| Security Operations | 33% | - Security monitoring concepts and tools
|
| Reporting and Communication | 17% | - Security awareness and training
|
| Vulnerability Management | 30% | - Cloud and virtual environment vulnerabilities
|
>> Reliable CS0-003 Test Topics <<
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NEW QUESTION # 313
A security analyst performs various types of vulnerability scans. Review the vulnerability scan results to determine the type of scan that was executed and if a false positive occurred for each device.
Instructions:
Select the Results Generated drop-down option to determine if the results were generated from a credentialed scan, non-credentialed scan, or a compliance scan.
For ONLY the credentialed and non-credentialed scans, evaluate the results for false positives and check the findings that display false positives. NOTE: If you would like to uncheck an option that is currently selected, click on the option a second time.
Lastly, based on the vulnerability scan results, identify the type of Server by dragging the Server to the results.
The Linux Web Server, File-Print Server and Directory Server are draggable.
If at any time you would like to bring back the initial state of the simulation, please select the Reset All button. When you have completed the simulation, please select the Done button to submit. Once the simulation is submitted, please select the Next button to continue.
Answer:
Explanation:
Explanation:
NEW QUESTION # 314
A security analyst needs to identify an asset that should be remediated based on the following information:
File Server
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H/
Web Server
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/
Mail Server (corrected from "Mall server")
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/
Domain Controller
CVSS:3.1/AV:N/AC:L/PR:R/UI:R/S:U/C:H/I:H/A:H/
Which of the following assets should the analyst remediate first?
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
To determine which system to remediate first using only CVSS vectors, the analyst should prioritize the vulnerability that is most severe and most easily exploitable, especially when it is exploitable over the network and requires no privileges and no user interaction.
The Web server has the most dangerous combination of exploitability and impact:
Attack Vector = Network (AV:N) → exploitable remotely over a network
Attack Complexity = Low (AC:L) → no special conditions required
Privileges Required = None (PR:N) → attacker doesn't need credentials
User Interaction = None (UI:N) → no user action required
Impact = High for Confidentiality, Integrity, and Availability (C:H / I:H / A:H) → full compromise potential The Sybex CySA+ Study Guide explains that CVSS provides a 0-10 severity score and that analysts must be able to interpret key metrics like Attack Vector, Attack Complexity, Privileges Required, User Interaction, and Impact.
The All-in-One guide defines Attack Vector and notes that the more remote the vector, the higher the score (Network is remotely exploitable).
And Secbay Press states that organizations use CVSS as a basis for prioritization, typically addressing higher scores first.
Exact extract (Secbay Press): "Organizations often use CVSS scores as a basis for prioritizing vulnerabilities, addressing those with higher scores first." Why the other assets are lower priority than the Web server (based on the vectors) File server (AV:L) is local attack vector, meaning the attacker must already have local access; that generally reduces priority compared to a remotely exploitable (AV:N) issue. (Attack vector definitions and scoring emphasize Network vs Local distinctions.) Mail server (AC:H) requires high attack complexity, lowering exploitability compared to the Web server's AC:L.
Domain controller (PR:R, UI:R) requires privileges and user interaction, which lowers exploitability compared to PR:N/UI:N on the Web server.
Bottom line: The Web server is the most immediately dangerous because it is remotely exploitable (AV:N) with low complexity (AC:L), requires no privileges (PR:N) and no user interaction (UI:N), and has high impact across C/I/A-making it the strongest candidate for first remediation under CVSS-based prioritization.
Reference (CompTIA CySA+ CS0-003 documents / study guides used):
Secbay Press, CompTIA CySA+ Exam Prep Guide (CS0-003): CVSS used to prioritize; higher scores addressed first Mike Chapple & David Seidl, CompTIA CySA+ Study Guide (CS0-003): CVSS metrics and interpretation (AV/AC/PR/UI/Impact) and severity score concept Mya Heath et al., CompTIA CySA+ All-in-One Exam Guide (CS0-003): Attack Vector/Attack Complexity definitions; remote vectors score higher
NEW QUESTION # 315
A security analyst is trying to detect connections to a suspicious IP address by collecting the packet captures from the gateway. Which of the following commands should the security analyst consider running?
Answer: A
Explanation:
tcpdump is a command-line tool that can capture and analyze network packets from a given interface or file. The -n option prevents tcpdump from resolving hostnames, which can speed up the analysis. The -r option reads packets from a file, in this case packets.pcap. The host [IP address] filter specifies that tcpdump should only display packets that have the given IP address as either the source or the destination. This command can help the security analyst detect connections to a suspicious IP address by collecting the packet captures from the gateway. Official Reference:
https://partners.comptia.org/docs/default-source/resources/comptia-cysa-cs0-002-exam-objectives
https://www.techtarget.com/searchsecurity/quiz/Sample-CompTIA-CySA-test-questions-with-answers
https://www.reddit.com/r/CompTIA/comments/tmxx84/passed_cysa_heres_my_experience_and_how_i_studied/
NEW QUESTION # 316
During a security incident, security tools quarantine a device and create a disk image. During the analysis, the image is corrupted. Which of the following best describes how the analyst should proceed with the investigation?
Answer: B
Explanation:
The correct answer is D. In forensic analysis, the analyst should not repair, rebuild, or modify the original device or evidence. Forensic workflows rely on validated, forensically sound images and working copies. If the analysis copy becomes corrupted, the correct approach is to return to a preserved/archived copy or original validated image and continue from a clean copy.
The Sybex CySA+ Study Guide explains that drive and media images must be captured in a forensically sound manner, validated with hashing, and copied so that the original evidence is retained. It also states that multiple copies are made so the original drive can be retained for evidence. The official CySA+ objectives also include evidence acquisition, validating data integrity, preservation, and chain of custody under incident response activities.
Why the other options are incorrect:
A is incorrect because trying to remediate corruption may further alter evidence.
B is incorrect because bootable media may alter the device or evidence state.
C is incorrect because rebuilding the OS destroys or changes forensic evidence.
D is correct because restoring from a preserved copy maintains forensic integrity.
NEW QUESTION # 317
A systems administrator receives reports of an internet-accessible Linux server that is running very sluggishly. The administrator examines the server, sees a high amount of memory utilization, and suspects a DoS attack related to half-open TCP sessions consuming memory. Which of the following tools would best help to prove whether this server was experiencing this behavior?
Answer: A
Explanation:
TCPDump is the best tool to prove whether the server was experiencing a DoS attack related to half-open TCP sessions consuming memory. TCPDump is a command-line tool that can capture and analyze network traffic, such as TCP, UDP, and ICMP packets. TCPDump can help the administrator to identify the source and destination of the traffic, the TCP flags and sequence numbers, the packet size and frequency, and other information that can indicate a DoS attack. A DoS attack related to half-open TCP sessions is also known as a SYN flood attack, which is a type of volumetric attack that aims to exhaust the network bandwidth or resources of the target server by sending a large amount of TCP SYN requests and ignoring the TCP SYN- ACK responses. This creates a backlog of half-open connections on the server, which consume memory and CPU resources, and prevent legitimate connections from being established12. TCPDump can help the administrator to detect a SYN flood attack by looking for a high number of TCP SYN packets with different source IP addresses, a low number of TCP SYN-ACK packets, and a very low number of TCP ACK packets34. References: SYN flood DDoS attack | Cloudflare, What is a SYN flood attack and how to prevent it? | NETSCOUT, TCPDump - A Powerful Tool for Network Analysis and Security, How to Detect a SYN Flood Attack with TCPDump
NEW QUESTION # 318
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