301B: BIG-IP LTM Specialist: Maintain and TroubleshootDemo

By F5 · Question Mode

QuestionQ120

Identify and Resolve LTM Device Issues

Question Image

Refer to the exhibit.

A web application is configured to permit sessions to continue even after a user’s computer is shut down for the night. A new LTM device is configured to load balance the web application across several servers. The application owner reports that users are logged out of the web application whenever they restart their browser or reboot their computer.

What is the problem?

  • A The virtual server does NOT have persistence configured.
  • B The virtual server does NOT have persistence mirroring configured.
  • C The cookie set by the LTM device does NOT have an "Expires" value.
  • D The cookie set by the server is NOT being passed to client by the LTM device.
Explanation

The BIG-IP persistence cookie must persist beyond the browser session to preserve the load-balancer persistence mapping after a browser restart or computer reboot. A cookie without an Expires or Max-Age attribute is a session cookie and is discarded when the browser closes, so the LTM no longer receives the persistence cookie on the next session.

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