With Sticky Sessions when a client starts a session on one of your web servers, session stays on that specific server. To configure An Azure Load-Balancer For
Sticky Sessions set Session persistence to Client IP.
On the following image you can see sticky session configuration:
Note:
There are several versions of this question in the exam. The question can have other incorrect answer options, including the following:
1. Idle Time-out (minutes) to 20
2. Protocol to UDP
Reference:
https://cloudopszone.com/configure-azure-load-balancer-for-sticky-sessions/