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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

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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Question 2

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/

Question 3

An incident responder is asked to work with the IT department to address patch management issues with the company servers. Which of the following is the BEST source for the incident responder to obtain the CVEs for the latest industry-recognized patches?

Options:

A.

Vulnerabilities database

B.

Intelligence feeds

C.

Security journals

D.

Security blogs

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