F5 Networks Exam 301b Topic 1 Question 100 Discussion

Actual exam question for F5 Networks's 301b exam

Question #: 100
Topic #: 1

-- Exhibit --

Refer to the exhibit.

A web application is configured to allow sessions to continue even after a user computer is shut down for the night. A new LTM device is configured to load balance the web application to several servers. The application owner reports that application users are logged out of the web application whenever their browser is restarted or computer is rebooted.

What is the problem?

AThe virtual server does NOT have persistence configured.

BThe virtual server does NOT have persistence mirroring configured.

CThe cookie set by the LTM device does NOT have an 'Expires' value.

DThe cookie set by the server is NOT being passed to client by the LTM device.

Show Suggested Answer

Suggested Answer: C

by Kristeen at Sep 17, 2024, 10:14 PM

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Nohemi

30 days ago

I bet the dev team is kicking themselves over this one. Persistence mirroring would have solved this issue elegantly. Someone's getting a late night on-call this week.

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Ellsworth

1 months ago

Ha! Rookie mistake. The LTM device is clearly not passing the server-set cookie to the clients. That's the root cause for sure.

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France

8 days ago

B) The virtual server does NOT have persistence mirroring configured.

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Micah

11 days ago

A) The virtual server does NOT have persistence configured.

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France

1 months ago

Hmm, I'm not so sure. The cookie 'Expires' value could also be the problem if it's not set correctly. The LTM might not be able to recognize the session then.

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Sueann

26 days ago

Hmm, I'm not so sure. The cookie 'Expires' value could also be the problem if it's not set correctly. The LTM might not be able to recognize the session then.

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Nan

28 days ago

C) The cookie set by the LTM device does NOT have an 'Expires' value.

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Lashawnda

1 months ago

A) The virtual server does NOT have persistence configured.

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Mattie

2 months ago

But could it also be that the cookie set by the LTM device does NOT have an 'Expires' value?

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Pete

2 months ago

The lack of persistence configuration on the virtual server is definitely the issue here. Without it, the LTM device can't maintain the session state across reboots.

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