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F5 Networks 301b Exam - Topic 8 Question 35 Discussion

-- Exhibit ---- Exhibit --Refer to the exhibit.A company uses a complex piece of client software that connects to one or more virtual servers (VS) hosted on an LTM device. The client software is experiencing issues. An LTM Specialist is tasked with finding the cause of the problem.The LTM Specialist has the tcpdump extract and knows the client software has at least one connection to a VS on port 1990. However, when a tcpdump runs on the internal VLAN, there is no record of port 1990 in the tcpdump.Why is there no record of port 1990 in the tcpdump?
C) The LTM device performs a Port Address Translation (PAT).
A) The LTM device drops the connection.
B) Port 1990 is a well-known port, so its use is restricted.
D) The LTM device performs a Network Address Translation (NAT).

F5 Networks 301b Exam - Topic 8 Question 35 Discussion

Actual exam question for F5 Networks's 301b exam
Question #: 35
Topic #: 8
[All 301b Questions]

-- Exhibit --

-- Exhibit --

Refer to the exhibit.

A company uses a complex piece of client software that connects to one or more virtual servers (VS) hosted on an LTM device. The client software is experiencing issues. An LTM Specialist is tasked with finding the cause of the problem.

The LTM Specialist has the tcpdump extract and knows the client software has at least one connection to a VS on port 1990. However, when a tcpdump runs on the internal VLAN, there is no record of port 1990 in the tcpdump.

Why is there no record of port 1990 in the tcpdump?

Show Suggested Answer Hide Answer
Suggested Answer: C

by Katina at May 07, 2022, 10:03 PM

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Adolph
10 months ago
PAT could definitely be the reason for the missing records.
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Goldie
10 months ago
Port 1990 isn't restricted, it's just a regular port.
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Cassi
10 months ago
Surprised there's no mention of firewall rules affecting this!
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Douglass
10 months ago
I think it's more likely a NAT issue.
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Marshall
10 months ago
The LTM device might be dropping the connection.
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Maryann
10 months ago
I don’t think port 1990 is restricted just because it’s well-known. I feel like it has to do with how the LTM handles the traffic.
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Niesha
11 months ago
I’m leaning towards option D, but I’m a bit confused about how NAT would affect the visibility of port 1990 in the tcpdump.
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Oren
11 months ago
I think I saw a similar question about tcpdump in our practice exams. If the connection is dropped, wouldn’t we still see something in the tcpdump?
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Erinn
11 months ago
I remember studying NAT and PAT, but I’m not sure which one applies here. Could it be that the LTM is translating the address?
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Hannah
11 months ago
Wait, I'm confused. None of these options look like standard Macros VM properties to me. I'll need to double-check my study materials to make sure I understand this properly before answering.
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Ronny
11 months ago
Based on my understanding, the Scrum Master works with the team to finalize change requests, but the Product Owner has the final say on changes that exceed their tolerance level. I think the answer is C and B.
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Tracey
11 months ago
I believe it includes both timeframes, but I still feel a bit confused. Wasn't there something in our notes about transitional care too?
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