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Logical Operations Exam CFR-210 Topic 7 Question 64 Discussion

Actual exam question for Logical Operations's CFR-210 exam
Question #: 64
Topic #: 7
[All CFR-210 Questions]

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?

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Suggested Answer: C

by Raina at May 22, 2024, 05:29 AM

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Oren
7 months ago
Option C is the way to go, unless you're a fan of parsing IP addresses with your bare hands. Then Option A might be more your style.
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Kati
7 months ago
I tried Option B, but it kept giving me errors. I think Option C is the way to go, assuming the question is asking for a Class A address and not a Class B.
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Jody
7 months ago
I also had trouble with Option B, but Option C seems to be the right command to use.
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Adela
7 months ago
I agree, Option C is the correct choice for parsing Class A addresses from the log.
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Andra
7 months ago
Option B is incorrect because it is looking for Class C addresses, not Class A.
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Lizbeth
8 months ago
Hmm, Option A looks a bit messy with all those parentheses and brackets. I'd go with Option C for a cleaner command.
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Keneth
7 months ago
Yeah, Option C is definitely the cleaner choice for extracting those internal addresses.
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Kenneth
8 months ago
I think Option C is the way to go for parsing those Class A addresses.
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Shawna
8 months ago
Option A seems too complicated. I agree, Option C looks cleaner.
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Luis
8 months ago
I'm not sure about the --v flag in Option C. Shouldn't we be using --e instead?
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Anglea
6 months ago
User 2
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Peggie
6 months ago
User 1
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Francis
7 months ago
No, we should use --x flag to extract the Class A addresses. Option A is the right choice.
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Rikki
7 months ago
I think Option C is correct, we should use --v flag to exclude the Class A addresses.
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Shalon
7 months ago
B) grep --x''(192.168.[0.9]+[0-9])'' bin/apache2/access.log | output.txt
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Theola
8 months ago
A) grep --x''(10.[0-9]+.[0-9]+.[0-9]+)'' etc/rc.d/apache2/access.log | output.txt
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Kent
8 months ago
Option C looks good to me. It uses the correct regex pattern to filter out the internal Class A addresses.
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Glenna
8 months ago
Yeah, option C uses the correct regex pattern to filter out the internal Class A addresses.
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Aide
8 months ago
I think option C is the right choice.
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