LPI Exam 201-450 Topic 3 Question 82 Discussion

Actual exam question for LPI's 201-450 exam

Question #: 82
Topic #: 3

[All 201-450 Questions]

The following is an excerpt from the output of tcpdump -nli eth1 'udp':

13:03:17.277327 IP 192.168.123.5.1065 > 192.168.5.112.53: 43653+ A? lpi.org. (25)

13:03:17.598624 IP 192.168.5.112.53 > 192.168.123.5.1065: 43653 1/0/0 A 198.51.100.42 (41)

Which network service or protocol was used?

AFTP

BHTTP

CSSH

DDNS

EDHCP

Show Suggested Answer

Suggested Answer: D, E

by Tarra at Mar 07, 2024, 11:26 AM

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Frank

1 months ago

I'd like to see a version of this question that involves a 'traceroute' output. Now that would be a real brain-teaser!

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Louvenia

1 months ago

Okay, time to put my networking skills to the test! Let's see if I can ace this one.

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Jamey

11 days ago

C) SSH

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Nguyet

22 days ago

B) HTTP

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Tamesha

28 days ago

A) DNS

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Donette

2 months ago

Hmm, this is a no-brainer. Anyone who's ever used the internet should know that this is a DNS lookup.

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Val

1 months ago

DNS is used for translating domain names to IP addresses.

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Lenny

1 months ago

I agree, DNS is the correct answer.

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Alex

1 months ago

Yep, you're right. It's definitely a DNS lookup.

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Clay

2 months ago

Haha, I bet the person who wrote this question is a real network geek! But hey, at least it's not a trick question.

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Penney

29 days ago

E) DHCP

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Mona

1 months ago

C) SSH

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Marica

1 months ago

D) DNS

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Merissa

1 months ago

B) HTTP

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Laine

2 months ago

Yes, the IP addresses and port numbers in the output suggest DNS was used.

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Jenelle

2 months ago

I agree with Laurene, the output from tcpdump indicates DNS.

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Kaycee

2 months ago

The output clearly shows a DNS query and response, so the correct answer is D) DNS.

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Dana

1 months ago

Yes, you're right. It was a DNS query and response.

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Garry

2 months ago

I think the correct answer is D) DNS.

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Laurene

2 months ago

I think the network service or protocol used was DNS.

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