AZ-800 AZ-800 - Microsoft Azure Networking Solutions DNS and Traffic Routing Questions and Answers 3

Question 1

What is the primary difference between an Azure Internal Load Balancer and a Public Load Balancer?

Accepted Answer

Internal Load Balancer uses a private frontend IP; Public Load Balancer uses a public IP

Answer

An Internal (ILB) Load Balancer has a private frontend IP visible only within the VNet, while a Public Load Balancer uses a public IP reachable from the internet.

Question 2

Which Azure Load Balancer SKU supports availability zones and global load balancing?

Accepted Answer

Standard SKU

Answer

The Standard Load Balancer SKU supports zone-redundant and zonal frontends, SLA guarantees, and cross-region (global) load balancing.

Question 3

Azure Load Balancer health probes mark a backend instance as unhealthy after how many consecutive probe failures by default?

Accepted Answer

2 consecutive failures

Answer

By default, Azure Load Balancer requires 2 consecutive probe failures before marking a backend instance as unhealthy and removing it from rotation.

Question 4

You need Azure Load Balancer to send all connections from the same client IP to the same backend VM. Which feature should you enable?

Accepted Answer

Session persistence (source IP affinity)

Answer

Session persistence configured as 'Client IP' or 'Client IP and protocol' ensures the load balancer routes all flows from a given client to the same backend instance.

Question 5

Which Azure Load Balancer feature enables a single load balancing rule to forward all ports and protocols to backend pool members, commonly used with NVAs?

Accepted Answer

HA Ports

Answer

HA Ports load balancing rules distribute all TCP and UDP flows across all ports to backend pool members, ideal for Network Virtual Appliances.

AZ-800 - Microsoft Azure Networking Solutions Practice Test

AZ-800 - Microsoft Azure Networking Solutions Practice Test

AZ-800 AZ-800 - Microsoft Azure Networking Solutions DNS and Traffic Routing Questions and Answers 3