Apply Appropriate Persistence Profile F5CAB3 Practice Questions (Page 5)

Questions 21–25

1. 21expert · hard

   An administrator is configuring persistence for a virtual server that load-balances a database application. The application uses a proprietary protocol that is not HTTP or SSL. Clients connect from a small set of IP addresses, but each client uses a unique source port. The administrator wants to ensure that each client's session is maintained on the same server. Which persistence profile should be used?

   • ACookie persistence
   • BSSL session ID persistence
   • CSource address persistence
   • DUniversal persistence with an iRule that uses the source IP and source port as the persistence key.
   Reveal Solution Discussion Select an answer first
2. 22application · medium

   An administrator is configuring a new virtual server for a web application that requires users to stay on the same backend server for the duration of their session. The application sets a session cookie named 'JSESSIONID'. The administrator has created a cookie persistence profile with the default settings. What additional configuration is required to ensure the persistence profile is applied to the virtual server?

   • AAssign the persistence profile to the virtual server's default persistence profile setting.
   • BSet the cookie name to 'JSESSIONID' in the persistence profile.
   • CEnable SNAT on the virtual server.
   • DCreate a pool and associate it with the virtual server.
   Reveal Solution Discussion Select an answer first
4. 23application · medium

   An administrator needs to remove a persistence profile from a virtual server because the application no longer requires session stickiness. What is the correct action to take?

   • ADelete the persistence profile from the system.
   • BSet the Default Persistence Profile to 'None' on the virtual server.
   • CSet the persistence timeout to 0.
   • DDisable the virtual server and re-enable it.
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5. 24foundation · easy

   A client reports that their session is being dropped and they are being sent to a different server on each request. Which of the following is a common cause of this issue?

   • AThe persistence profile is using 'Match Across Services' which resets sessions.
   • BThe persistence profile is using 'Universal' which is not supported for HTTP.
   • CThe persistence profile is set to 'Mirror' which causes sessions to be lost.
   • DThe persistence timeout is set too low, causing the session record to expire between requests.
   Reveal Solution Discussion Select an answer first
6. 25foundation · easy

   Which persistence profile type is most appropriate for an application that needs to maintain session stickiness based on a value embedded in the HTTP header, such as a user ID?

   • ASource address persistence
   • BSSL session ID persistence
   • CCookie persistence
   • DUniversal persistence
   Reveal Solution Discussion Select an answer first