Download CertNexus CyberSec First Responder.CFR-310.ExamTopics.2025-09-23.100q.vcex

Vendor: CertNexus
Exam Code: CFR-310
Exam Name: CertNexus CyberSec First Responder
Date: Sep 23, 2025
File Size: 51 KB
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Demo Questions

Question 1
After imaging a disk as part of an investigation, a forensics analyst wants to hash the image using a tool that supports piecewise hashing. Which of the following tools should the analyst use?
  1. md5sum
  2. sha256sum
  3. md5deep
  4. hashdeep
Correct answer: A
Explanation:
C: 1D: 2 - Mosted
C: 1D: 2 - Mosted
Question 2
A system administrator identifies unusual network traffic from outside the local network. Which of the following is the BEST method for mitigating the threat?
  1. Malware scanning
  2. Port blocking
  3. Packet capturing
  4. Content filtering
Correct answer: B
Explanation:
B: 4 - Mosted
B: 4 - Mosted
Question 3
Which of the following characteristics of a web proxy strengthens cybersecurity? (Choose two.)
  1. Increases browsing speed
  2. Filters unwanted content
  3. Limits direct connection to Internet
  4. Caches frequently-visited websites
  5. Decreases wide area network (WAN) traffic
Correct answer: BC
Explanation:
BC: 5 - Mosted
BC: 5 - Mosted
Question 4
A cybersecurity expert assigned to be the IT manager of a middle-sized company discovers that there is little endpoint security implementation on the company’s systems. Which of the following could be included in an endpoint security solution? (Choose two.)
  1. Web proxy
  2. Network monitoring system
  3. Data loss prevention (DLP)
  4. Anti-malware
  5. Network Address Translation (NAT)
Correct answer: CD
Explanation:
CD: 4 - Mosted
CD: 4 - Mosted
Question 5
A security analyst is required to collect detailed network traffic on a virtual machine. Which of the following tools could the analyst use?
  1. nbtstat
  2. WinDump
  3. fport
  4. netstat
Correct answer: B
Explanation:
B: 4 - Mosted
B: 4 - Mosted
Question 6
When performing an investigation, a security analyst needs to extract information from text files in a Windows operating system. Which of the following commands should the security analyst use?
  1. findstr
  2. grep
  3. awk
  4. sigverif
Correct answer: C
Explanation:
A: 2 - Mosted
A: 2 - Mosted
Question 7
Which of the following does the command nmap –open 10.10.10.3 do?
  1. Execute a scan on a single host, returning only open ports.
  2. Execute a scan on a subnet, returning detailed information on open ports.
  3. Execute a scan on a subnet, returning all hosts with open ports.
  4. Execute a scan on a single host, returning open services.
Correct answer: A
Explanation:
A: 3 - Mosted
A: 3 - Mosted
Question 8
A web server is under a denial of service (DoS) attack. The administrator reviews logs and creates an access control list (ACL) to stop the attack. Which of the following technologies could perform these steps automatically in the future?
  1. Intrusion prevention system (IPS)
  2. Intrusion detection system (IDS)
  3. Blacklisting
  4. Whitelisting
Correct answer: A
Explanation:
A: 4 - Mosted
A: 4 - Mosted
Question 9
In which of the following attack phases would an attacker use Shodan?
  1. Scanning
  2. Reconnaissance
  3. Gaining access
  4. Persistence
Correct answer: B
Explanation:
B: 3 - Mosted
B: 3 - Mosted
Question 10
During a malware-driven distributed denial of service attack, a security researcher found excessive requests to a name server referring to the same domain name and host name encoded in hexadecimal. The malware author used which type of command and control?
  1. Internet Relay Chat (IRC)
  2. Dnscat2
  3. Custom channel
  4. File Transfer Protocol (FTP)
Correct answer: B
Explanation:
B: 4 - Mosted
B: 4 - Mosted
Question 11
During a security investigation, a suspicious Linux laptop is found in the server room. The laptop is processing information and indicating network activity. The investigator is preparing to launch an investigation to determine what is happening with this laptop. Which of the following is the MOST appropriate set of Linux commands that should be executed to conduct the investigation?
  1. iperf, traceroute, whois, ls, chown, cat
  2. iperf, wget, traceroute, dc3dd, ls, whois
  3. lsof, chmod, nano, whois, chown, ls
  4. lsof, ifconfig, who, ps, ls, tcpdump
Correct answer: D
Explanation:
D: 4 - Mosted
D: 4 - Mosted
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