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LPI 201-450 Exam - Topic 8 Question 117 Discussion

Posted by Doretha on Nov 22, 2025 at 07:02 AM

Running tcpdump -nli eth1 'tcp' shows the following output:

14:41:53.694538 IP 10.1.52.145.51738 > 24.215.7.162.143: Flags [.], ack 33051, win 1002, options [nop,nop,TS val 36789130 ecr 1746004159], length 0

What is the source IP address of this packet? (Please specify the answer in digits and dots ONLY.)

Suggested Answer: A

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30 comments · newest first
KE
Kenneth 6 months ago
Same here, I just focused on the first IP.
CA
Carolynn 6 months ago
I was worried at first, but it makes sense now.
RA
Ramonita 6 months ago
Definitely 10.1.52.145. The format is easy to read.
LA
Latrice 7 months ago
I feel confident about this question. It's straightforward.
KA
Kaitlyn 7 months ago
Yeah, I agree with Dana. It's clear from the output.
DA
Dana 7 months ago
I think the source IP is 10.1.52.145.
MA
Maile 8 months ago
I thought it might be 24.215.7.162 at first.
GW
Gwen 8 months ago
Yup, 10.1.52.145 is correct!
CU
Curtis 8 months ago
10.1.52.145? More like 10.1.52.AWESOME!
IV
Ivan 8 months ago
10.1.52.145 - the answer is staring us in the face!
SH
Shawna 8 months ago
Hmm, I'm going with 10.1.52.145. Looks good.
MA
Madelyn 8 months ago
Easy peasy, 10.1.52.145 is the answer.
KE
Kenny 9 months ago
Yep, that's the source IP address alright.
HO
Howard 9 months ago
10.1.52.145 looks right to me.
SH
Shenika 9 months ago
I feel like I might be mixing up the source and destination IPs, but I think the answer is 10.1.52.145 based on the format.
AL
Aliza 9 months ago
This looks similar to a practice question I did last week. I believe the source IP is definitely 10.1.52.145.
LE
Leeann 9 months ago
I'm not entirely sure, but I remember something about the source IP being the sender's address. Is it really just 10.1.52.145?
CR
Craig 9 months ago
The source IP address is 10.1.52.145. I'm feeling pretty confident about this one - the information is right there in the packet capture output.
LA
Laura 10 months ago
I think the source IP is the one before the ">" symbol, which should be 10.1.52.145.
SH
Sharan 10 months ago
Wait, is that really the source? Seems too simple.
VA
Vannessa 10 months ago
Okay, I think I've got this. The question is specifically asking for the source IP address, so the answer is 10.1.52.145. I'll make sure to read the question carefully and not overthink it.
ST
Stanton 10 months ago
The source IP is 10.1.52.145.
EN
Enola 10 months ago
Totally agree, that's the right answer!
SH
Shakira 11 months ago
Hmm, I'm a bit confused. The question is asking for the source IP address, but the output shows both source and destination IPs. I'll need to double-check which one is the correct answer.
YO
Yoko 11 months ago
This looks like a straightforward packet capture question. The source IP address is clearly shown in the output as 10.1.52.145.
RA
Rasheeda 5 months ago
↳ replying to Yoko
Agreed, 10.1.52.145 is correct!
DY
Dyan 5 months ago
↳ replying to Yoko
No doubt, 10.1.52.145 is the answer.
FL
Florinda 6 months ago
↳ replying to Yoko
Easy one, it's 10.1.52.145.
JU
Jutta 6 months ago
↳ replying to Yoko
Definitely 10.1.52.145.
GW
Gwenn 6 months ago
↳ replying to Yoko
The source IP is 10.1.52.145.
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