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CFR-210 Exam Dumps : Logical Operations CyberSec First Responder

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Logical Operations CyberSec First Responder Questions and Answers

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Question 1

An organization’s firewall has recently been bombarded with an excessive amount of failed requests. A security analyst has been tasked with providing metrics on any failed attempts to ports above 1000. Which of the following regular expressions will work BEST to identify an IP address with the desired port range?

Options:

A.

/\b^(?\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}):({4,5}\d+)\b/

B.

/\b^(?\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}):([4]\D+)\b/

C.

/\b^(?\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}):([4]\d+)\b/

D.

/\b^(?\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}):(\d{1,5})\b/

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Question 2

Drag and drop the following steps to perform a successful social engineering attack in the correct order, from first (1) to last (6).

Options:

Question 3

A DMZ web server has been compromised. During the log review, the incident responder wants to parse all common internal Class A addresses from the log. Which of the following commands should the responder use to accomplish this?

Options:

A.

grep –x”(10.[0-9]+.[0-9]+.[0-9]+)” etc/rc.d/apache2/access.log | output.txt

B.

grep –x”(192.168.[0.9]+[0-9])” bin/apache2/access.log | output.txt

C.

grep –v”(10.[0-9]+.[0-9]+.[0-9]+)” /var/log/apache2/access.log > output.txt

D.

grep –v”(192.168.[0.9]+[0-9]+)” /var/log/apache2/access.log > output.txt

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