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CFR-410 Exam Dumps : CyberSec First Responder (CFR) Exam

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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

Which of the following characteristics of a web proxy strengthens cybersecurity? (Choose two.)

Options:

A.

Increases browsing speed

B.

Filters unwanted content

C.

Limits direct connection to Internet

D.

Caches frequently-visited websites

E.

Decreases wide area network (WAN) traffic

Question 3

An organization was recently hit with a ransomware attack that encrypted critical documents and files that were stored on the corporate file server.

Which of the following provides the organization with the BEST chance for recovering their data?

Options:

A.

Application white listing!

B.

Antivirus software

C.

Paying the ransom

D.

Offsite backups