AZ-104: Microsoft Azure Administrator Full Course - What is a Load Balancer - I

The video tutorial discusses the challenge of achieving 100% uptime for web applications using a single server. It explains the necessity of using multiple web servers behind a load balancer to ensure redundancy and distribute traffic efficiently. The tutorial introduces Azure Load Balancer as a solution that provides high availability for applications, handling traffic from both the internet and intranet. It highlights the load balancer's role in distributing traffic to virtual machines in the backend pool configured in the Azure console.

Why can't a single web server ensure 100% uptime for web applications?

• It may go down for maintenance or other reasons.

• It is too expensive to maintain.

• It lacks security features.

• It cannot handle high traffic volumes.

What is the primary function of a load balancer in a data center?

• To store backup data.

• To provide security against cyber attacks.

• To increase the speed of the network.

• To distribute incoming traffic evenly across servers.

Which service does Azure offer to ensure high availability of applications?

• Azure CDN

• Azure Traffic Manager

• Azure Load Balancer

• Azure Firewall

For what types of traffic can the Azure Load Balancer be used?

• Only for intranet traffic

• For local network traffic only

• Only for internet traffic

• For both internet and intranet traffic

What is the purpose of the backend pool in Azure Load Balancer?

• To configure virtual machines for traffic distribution

• To store user data

• To manage network security

• To monitor server performance