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CertNexus CFR-410 Exam With Confidence Using Practice Dumps

Exam Code:
CFR-410
Exam Name:
CyberSec First Responder (CFR) Exam
Certification:
Vendor:
Questions:
180
Last Updated:
Apr 26, 2025
Exam Status:
Stable
CertNexus CFR-410

CFR-410: CyberSec First Responder Exam 2025 Study Guide Pdf and Test Engine

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CyberSec First Responder (CFR) Exam Questions and Answers

Question 1

A network security analyst has noticed a flood of Simple Mail Transfer Protocol (SMTP) traffic to internal clients. SMTP traffic should only be allowed to email servers. Which of the following commands would stop this attack? (Choose two.)

Options:

A.

iptables -A INPUT -p tcp –dport 25 -d x.x.x.x -j ACCEPT

B.

iptables -A INPUT -p tcp –sport 25 -d x.x.x.x -j ACCEPT

C.

iptables -A INPUT -p tcp –dport 25 -j DROP

D.

iptables -A INPUT -p tcp –destination-port 21 -j DROP

E.

iptables -A FORWARD -p tcp –dport 6881:6889 -j DROP

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Question 2

After successfully enumerating the target, the hacker determines that the victim is using a firewall. Which of the following techniques would allow the hacker to bypass the intrusion prevention system (IPS)?

Options:

A.

Stealth scanning

B.

Xmas scanning

C.

FINS scanning

D.

Port scanning

Question 3

A company website was hacked via the following SQL query:

email, passwd, login_id, full_name FROM members

WHERE email = “attacker@somewhere.com”; DROP TABLE members; –”

Which of the following did the hackers perform?

Options:

A.

Cleared tracks of attacker@somewhere.com entries

B.

Deleted the entire members table

C.

Deleted the email password and login details

D.

Performed a cross-site scripting (XSS) attack