F5 Networks 301b Exam - 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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Rebeca

5 months ago

Definitely a persistence problem, no doubt about it!

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Georgeanna

5 months ago

Wait, are users really logged out just from a reboot? That seems odd.

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Maryann

5 months ago

I think it's more about persistence mirroring, though.

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Whitley

5 months ago

I agree, it's probably the 'Expires' value that's missing.

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Barrett

6 months ago

Sounds like a cookie issue to me.

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Donte

6 months ago

I think the cookie not being passed correctly could also be a reason for users getting logged out. I need to double-check how that works with the LTM device.

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Dylan

6 months ago

I feel like the problem could be related to the persistence mirroring, but I can't recall the specifics of when that is necessary.

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Miesha

6 months ago

This question seems similar to one we practiced where the cookie didn't have an 'Expires' value. I think that might be the issue here too.

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Oren

6 months ago

I remember we discussed persistence in our last class, but I'm not entirely sure if it's about the virtual server or the cookie settings.

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Scot

6 months ago

Okay, I've got a strategy - I'll methodically go through each answer choice and evaluate how it could be causing the logout issue. Persistence configuration seems like the most likely culprit.

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Filiberto

6 months ago

I'm a bit confused by the load balancing aspect. Does that play a role in the logout problem? I'll need to think through how the LTM device interacts with the web servers.

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Bonita

6 months ago

Hmm, the key seems to be the issue with sessions persisting after a reboot. I'm thinking it's probably a persistence configuration problem on the LTM device.

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Willard

6 months ago

This looks like a tricky one. I'll need to carefully read through the details to understand the problem.

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Dean

7 months ago

Ah, I bet it's the cookie issue. The LTM device must not be properly handling the session cookie from the web app.

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Nohemi

2 years 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

2 years 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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Azzie

1 year ago

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

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France

1 year ago

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

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Micah

1 year ago

A) The virtual server does NOT have persistence configured.

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France

2 years 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

2 years 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

2 years ago

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

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Lashawnda

2 years ago

A) The virtual server does NOT have persistence configured.

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Mattie

2 years 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 years 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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