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101 · Question #622

An administrator wants to insert per-session data in a users browser so that user requests are directed to Which session persistence method should the administrator use the same session?

The correct answer is D. cookie persistence. Cookie persistence is the only method that actively inserts data into the client browser to track which server handled the session, ensuring subsequent requests return to the same backend server.

Section 3: Load Balancing and High Availability Basics

Question

An administrator wants to insert per-session data in a users browser so that user requests are directed to Which session persistence method should the administrator use the same session?

Options

  • ASSL persistence
  • BSource address persistence
  • Cdestination address persistence
  • Dcookie persistence

How the community answered

(43 responses)
  • A
    2% (1)
  • B
    5% (2)
  • C
    7% (3)
  • D
    86% (37)

Why each option

Cookie persistence is the only method that actively inserts data into the client browser to track which server handled the session, ensuring subsequent requests return to the same backend server.

ASSL persistence

SSL persistence uses the SSL session ID to persist connections, not a browser-inserted cookie, and applies only to encrypted traffic.

BSource address persistence

Source address persistence routes requests based on the client's IP address, which does not involve inserting any data into the browser and breaks for clients behind NAT.

Cdestination address persistence

Destination address persistence is based on the server's IP address and is a server-side routing mechanism that does not insert any data into the client browser.

Dcookie persistenceCorrect

Cookie persistence works by inserting a session cookie into the user's browser during the first server response. On each subsequent request, the load balancer reads this cookie value to route traffic back to the same backend server, providing reliable session stickiness at the application layer regardless of client IP changes.

Concept tested: Cookie persistence for session stickiness on load balancer

Source: https://techdocs.f5.com/en-us/bigip-16-1-0/big-ip-local-traffic-management-basics/big-ip-local-traffic-management-basics.html

Topics

#cookie persistence#session persistence#load balancing#sticky sessions

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