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Question 73 - AZ-720 discussion

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A customer has an Azure Virtual Network named VNet1 that contains an internal standard SKU load balancer named LB1. The backend pool for LB1 includes the following virtual machines: VM1, VM2. The customer configures a rule named Rul1 to load balance incoming HTTPS requests for VM1 andVM2. Rule1 is associated with an HTTPS health probe. The path for the probe is set to /. The network adapters of VM1 and VM2 are associated with a network security named NSG1 that contains the following rules:

You connect to https://VM1 and https://VM2 from VNet1. Attempts to connect using the front-end IP address of LB1 are failing. You need to resolve the issue.

What should you do?

A.
Change the health probe associated with Rule1 to use HTTP.
Answers
A.
Change the health probe associated with Rule1 to use HTTP.
B.
Add an NSG1 rule with the source set to VirtualNetwork.
Answers
B.
Add an NSG1 rule with the source set to VirtualNetwork.
C.
Change the health probe associated with Rule1 to use TCP.
Answers
C.
Change the health probe associated with Rule1 to use TCP.
D.
Add an NSG1 rule with the source set to AzureLoadBalancer.
Answers
D.
Add an NSG1 rule with the source set to AzureLoadBalancer.
Suggested answer: D

Explanation:

According to Microsoft, Azure Load Balancer health probes originate from the IP address 168.63.129.16 and must not be blocked for probes to mark your instance as up. The AzureLoadBalancer service tag identifies this source IP address in your network security groups and permits health probe traffic by default1. https://learn.microsoft.com/en-us/azure/loadbalancer/ load-balancer-custom-probe-overview

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asked 02/10/2024
Jasper Fons
38 questions
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