You have five Azure virtual machines that run Windows Server 2016. The virtual machines are configured as web servers. You have an Azure load balancer named LB1 that provides load balancing services for the virtual machines. You need to ensure that visitors are serviced by the same web server for each request. What should you configure? 

Answer options:

A. Floating IP (direct server return) to Enabled
B. Floating IP (direct server return) to Disabled
C. a health probe
D. Session persistence to Client IP and Protocol

D

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/