F5 Networks Exam 301b Topic 1 Question 112 Discussion

Actual exam question for F5 Networks's 301b exam

Question #: 112
Topic #: 1

[All 301b Questions]

An LTM Specialist is troubleshooting an issue with a new virtual server. When connecting through the virtual server, clients receive the message "Unable to connect" in the browser, although connections directly to the pool member show the application is functioning correctly. The LTM configuration is:

ltm virtual /Common/vs_https {

destination /Common/10.10.1.110:443

ip-protocol udp

mask 255.255.255.255

pool /Common/pool_https

profiles {

/Common/udp { }

}

translate-address enabled

translate-port enabled

vlans-disabled

}

ltm pool /Common/pool_https {

members {

/Common/172.16.20.1:443 {

address 172.16.20.1

}

How should the LTM Specialist resolve this issue?

ARemove an HTTP monitor from the pool.

BAdd an HTTP profile to the virtual server.

CEnable the pool member on the correct VLAN.

DSelect the correct protocol for the virtual server.

Show Suggested Answer

Suggested Answer: D

by Shoshana at Jun 14, 2025, 12:01 PM

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Denise

12 days ago

Okay, let's think this through. The clients can't connect, but the pool member is working fine. That points to a configuration issue, and the protocol mismatch is the most likely culprit. D) is the way to go, unless the LTM Specialist is feeling particularly mischievous and wants to try B) just to see what happens. *chuckles*

upvoted 0 times

Blair

4 days ago

I think D) Select the correct protocol for the virtual server is the best option here.

upvoted 0 times

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Cyril

16 days ago

Ha! The LTM Specialist must have been daydreaming when they set this up. UDP for a web server? That's a bold move, Cotton. D) is the obvious choice, unless they want to make it even more interesting by trying C) and enabling the VLAN. *shakes head*

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Noah

19 days ago

Hmm, I'm not sure about this one. The configuration looks a bit strange, but I think the key is the protocol mismatch. D) is the way to go, unless the LTM Specialist is really feeling adventurous and wants to try B) just for fun.

upvoted 0 times

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Jestine

20 days ago

The issue is clearly with the protocol. The virtual server is set to use UDP, but the pool member is probably expecting TCP/HTTP. D) Select the correct protocol for the virtual server seems like the right answer here.

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