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301b Exam - Question 193


-- Exhibit

-- Exhibit --

Refer to the exhibits.

Users are able to access the application when connecting to the virtual server but are unsuccessful when connecting directly to the application servers. The LTM

Specialist wants to allow direct access to the application servers.

Why are users unable to connect directly to the application servers?

Show Answer
Correct Answer: B

Based on the network topology and packet capture provided, it is clear that users are able to access the application through the virtual server but are unsuccessful when connecting directly to the application servers. This indicates that the return traffic is not reaching the clients directly. This is often due to the web server not having a correct default gateway, which prevents it from sending the return traffic correctly. To fix this, the web server's default gateway needs to be correctly configured to ensure that it can properly route return traffic to the clients.

Discussion

2 comments
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MelnikovOption: E
Oct 25, 2020

Shoud be E. web server has correct rout to dg, because traffi passes successfully through VS.

Melnikov
Oct 25, 2020

Oh, I was wrong

SimonR2
Aug 12, 2021

Agreed, A could also work, but E provides better security as traffic must also pass through the F5 first.

GVKDOption: B
Feb 14, 2024

B - Correct Traffic passing through LTM when trying to connect directly to Server, but not coming back from Server. SNAT is used when client connects via Virtual Server which is why the Server can connect back in that scenario.