Logical Operations CFR-210 Exam Actual Questions

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The questions for CFR-210 were last updated on Oct 3, 2024.

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Question No. 1

While reviewing some audit logs, an analyst has identified consistent modification of the sshd_config file for an organization's server. The analyst would like to investigate and compare contents of the current file with archived versions of files that are saved weekly. Which of the following tools will be MOST effective during the investigation?

Acat <beginning of filename>* | cut --d ',' --f 2,5,7

Bmore <beginning of filename>* | grep <string of characters>

Cdiff <filename> <filename 2>

Dsort <beginning of filename>*

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Correct Answer: B

Question No. 2

A logfile generated from a Windows server was moved to a Linux system for further analysis. A system administrator is now making edits to the file with vi and notices the file contains numerous instances of Ctrl-M (^M) characters. Which of the following command line tools is the administrator MOST likely to use to remove these characters from the logfile? (Choose two.)

Atr

Bcut

Ccat

Dunix2dos

Eawk

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Correct Answer: A, C

Question No. 3

Which of the following technologies is used as mitigation to XSS attacks?

AIntrusion prevention

BProxy filtering

CWeb application firewall

DIntrusion detection

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Correct Answer: C

Question No. 4

An incident responder notices many entries in an apache access log file that contain semicolons. Which of the following attacks is MOST likely being attempted?

ASQL injection

BRemote file inclusion

CAccount brute force

DCross-site scripting

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Correct Answer: A

Question No. 5

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?

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

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

Cgrep --v''(10.[0-9]+.[0-9]+.[0-9]+)'' /var/log/apache2/access.log > output.txt

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

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Correct Answer: C

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