CompTIA CS0-003 Practice Exam Questions

CompTIA CS0-003 Sample Question Answers

Question # 1

An analyst investigated a website and produced the following: Starting Nmap 7.92 ( https://nmap.org ) at 2022-07-21 10:21 CDT Nmap scan report for insecure.org (45.33.49.119) Host is up (0.054s latency). rDNS record for 45.33.49.119: ack.nmap.org Not shown: 95 filtered tcp ports (no-response) PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 7.4 (protocol 2.0) 25/tcp closed smtp 80/tcp open http Apache httpd 2.4.6 113/tcp closed ident 443/tcp open ssl/http Apache httpd 2.4.6 Service Info: Host: issues.nmap.org Service detection performed. Please report any incorrect results at https://nmap .org/submit/ . Nmap done: 1 IP address (1 host up) scanned in 20.52 seconds Which of the following syntaxes did the analyst use to discover the application versions on this vulnerable website?

A. nmap-sS -T4 -F insecure.org 
B. nmap-0 insecure.org 
C. nmap-sV -T4 -F insecure.org 
D. nmap-A insecure.org 

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Question # 2

A vulnerability manager analyzes suspicious data after scanning a database. Which of the following should the manager do to prioritize the remediation tasks?

A. Conduct further analysis and send the findings report to the incident response team.
 B. Perform an assessment in the command line and determine if there are true or false positives.
 C. Identify the impact level and create a ticket that includes the time frame for fixing the issue. 
D. Apply compensating controls and advise an analyst to document the problem in a risk register. 

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Question # 3

An analyst receives an alert for suspicious IIS log activity and reviews the following entries: 2024-05-23 15:57:05 10.203.10.16 HEAT / - 80 - 10.203.10.17 DirBuster-1.0- RC1+(http://www.owasp.org/index.php/Category:OWASP_DirBuster_Project) ... Which of the following will the analyst infer from the logs?

A. An attacker is performing network lateral movement. 
B. An attacker is conducting reconnaissance of the website. 
C. An attacker is exfiltrating data from the network. 
D. An attacker is cloning the website. 

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Question # 4

Which of the following best explains the importance of network microsegmentation as part of a Zero Trust architecture? 

A. To allow policies that are easy to manage and less granular 
B. To increase the costs associated with regulatory compliance
 C. To limit how far an attack can spread 
D. To reduce hardware costs with the use of virtual appliances 

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Question # 5

A cybersecurity analyst has been assigned to the threat-hunting team to create a dynamic detection strategy based on behavioral analysis and attack patterns. Which of the following best describes what the analyst will be creating?

A. Bots 
B. loCs
C. TTPs
 D. Signatures 

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Question # 6

A company classifies security groups by risk level. Any group with a high-risk classification requires multiple levels of approval for member or owner changes. Which of the following inhibitors to remediation is the company utilizing?

A. Organizational governance 
B. MOU 
C. SLA 
D. Business process interruption 

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Question # 7

Which of the following are the most relevant factors related to vulnerability management reporting and communication within an organization? 

A. Risk assessment, asset inventory, business impact analysis, and business continuity plans 
B. Patch availability, mean time to remediate, dependencies, and disaster recovery plans
 C. False-positive rates, alert volume and characteristics, mean time to detect, and skills inventory 
D. Risk severity levels, timelines, dependencies, and remediation ownership 

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Question # 8

A security analyst needs to identify the devices in a critical infrastructure network that handles an oil and gas pipeline. The network has devices connected over IPv4 using either HTTP or Modbus protocols running on the standard ports. Which of the following approaches should the analyst use to achieve the objective?

A. Employ the IT vulnerability scanner to target ports 80 and 502. 
B. Use banner grabbing with Netcat on TCP ports 80 and 502. 
C. Perform an Nmap -sS -A -p 80,502 scan. 
D. Scan the ICS network using Masscan --open-only -p80,502.

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Question # 9

An analyst reviews the following web server log entries: %2E%2E/%2E%2E/%2ES2E/%2E%2E/%2E%2E/%2E%2E/etc/passwd No attacks or malicious attempts have been discovered. Which of the following most likely describes what took place?

A. A SQL injection query took place to gather information from a sensitive file.
 B. A PHP injection was leveraged to ensure that the sensitive file could be accessed. 
C. Base64 was used to prevent the IPS from detecting the fully encoded string. 
D. Directory traversal was performed to obtain a sensitive file for further reconnaissance. 

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Question # 10

Which of the following stakeholders are most likely to receive a vulnerability scan report? (Select two). 

A. Executive management 
B. Law enforcement 
C. Marketing 
D. Legal 
E. Product owner 
F. Systems admininstration 

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