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100% Pass Quiz 2025 CS0-003: CompTIA Cybersecurity Analyst (CySA+) Certification Exam Useful Valid Exam Practice

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CompTIA Cybersecurity Analyst (CySA+) certification exam, also known as CS0-003, is a highly respected and in-demand certification in the field of cybersecurity. CompTIA Cybersecurity Analyst (CySA+) Certification Exam certification provides candidates with the knowledge and skills necessary to analyze data and identify potential cyber threats, as well as develop and implement effective cybersecurity strategies. CompTIA Cybersecurity Analyst (CySA+) Certification Exam certification is recognized globally and is highly respected by employers, making it an essential certification for anyone looking to advance their career in cybersecurity.

The CySA+ certification is highly valued by employers and is a key differentiator for cybersecurity professionals. CompTIA Cybersecurity Analyst (CySA+) Certification Exam certification is recognized globally and is highly respected by organizations looking to hire skilled cybersecurity professionals. CompTIA Cybersecurity Analyst (CySA+) Certification Exam certification provides a comprehensive understanding of the latest cybersecurity trends, technologies, and threats, making it an essential certification for anyone looking to advance their career in cybersecurity.

CompTIA Cybersecurity Analyst (CySA+) Certification Exam Sample Questions (Q313-Q318):

NEW QUESTION # 313
A security analyst is reviewing the following alert that was triggered by FIM on a critical system:

Which of the following best describes the suspicious activity that is occurring?

A. A network drive was added to allow exfiltration of data
B. A fake antivirus program was installed by the user.
C. A new program has been set to execute on system start
D. The host firewall on 192.168.1.10 was disabled.

Answer: C

Explanation:
A new program has been set to execute on system start is the most likely cause of the suspicious activity that is occurring, as it indicates that the malware has modified the registry keys of the system to ensure its persistence. File Integrity Monitoring (FIM) is a tool that monitors changes to files and registry keys on a system and alerts the security analyst of any unauthorized or malicious modifications. The alert triggered by FIM shows that the malware has created a new registry key under the Run subkey, which is used to launch programs automatically when the system starts. The new registry key points to a file named "update.exe" in the Temp folder, which is likely a malicious executable disguised as a legitimate update file. Official References:
* https://www.comptia.org/blog/the-new-comptia-cybersecurity-analyst-your-questions-answered
* https://partners.comptia.org/docs/default-source/resources/comptia-cysa-cs0-002-exam-objectives
* https://www.comptia.org/training/books/cysa-cs0-002-study-guide

NEW QUESTION # 314
A company has the following security requirements:
. No public IPs
All data secured at rest
. No insecure ports/protocols
After a cloud scan is completed, a security analyst receives reports that several misconfigurations are putting the company at risk. Given the following cloud scanner output:

Which of the following should the analyst recommend be updated first to meet the security requirements and reduce risks?

A. VM_DEV_Web02
B. VM_PRD_Web01
C. VM_DEV_DB
D. VM_PRD_DB

Answer: B

Explanation:
This VM has a public IP and an open port 80, which violates the company's security requirements of no public IPs and no insecure ports/protocols. It also exposes the VM to potential attacks from the internet. This VM should be updated first to use a private IP and close the port 80, or use a secure protocol such as HTTPS.
References[CompTIA CySA+ Study Guide: Exam CS0-003, 3rd Edition], Chapter 2: Cloud and Hybrid Environments, page 67.[What is a Public IP Address?][What is Port 80?]

NEW QUESTION # 315
Due to an incident involving company devices, an incident responder needs to take a mobile phone to the lab for further investigation. Which of the following tools should be used to maintain the integrity of the mobile phone while it is transported? (Select two).

A. Crime scene tape
B. Tamper-evident seal
C. Drive duplicator
D. Signal-shielded bag
E. Thumb drive
F. Write blocker

Answer: B,D

Explanation:
A signal-shielded bag and a tamper-evident seal are tools that can be used to maintain the integrity of the mobile phone while it is transported. A signal-shielded bag prevents the phone from receiving or sending any signals that could compromise the data or evidence on the device. A tamper-evident seal ensures that the phone has not been opened or altered during the transportation. References: Mobile device forensics, Section:
Acquisition

NEW QUESTION # 316
An internally developed file-monitoring system identified the following except as causing a program to crash often:
char filedata[100];
fp = fopen(`access.log`, `r`);
srtcopy (filedata, fp);
printf (`%s `, filedata);
Which of the following should a security analyst recommend to fix the issue?

A. Replace the strcpy function.
B. Increase the size of the file data butter.
C. Perform input sanitization.
D. Open the access.log file in read/write mode.

Answer: A

Explanation:
Use of insecure functions can make it much harder to secure code.
Functions like strcpy, which don't have critical security features built in, can result in code that is easier for attackers to target. In fact, strcpy is the only specific function that the CySA+ objectives call out, likely because of how commonly it is used for buffer overflow attacks in applications written in C. strcpy allows data to be copied without caring whether the source is bigger than the destination. If this occurs, attackers can place arbitrary data in memory locations past the original destination, possibly allowing a buffer overflow attack to succeed.

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?

A. TCPDump
B. Nmap
C. EDR
D. SIEM

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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