(Unit 6 of 9) Azure Virtual Networking

Question 1

Describe Azure Virtual Networking

Answer 1

An extension of your on-premises network with resources that link other Azure resources.

Question 2

Describe some key networking capabilities of Azure Virtual Network

Answer 2

1. Isolation and segmentation
2. Communicate between Azure and on-premises resources, internet
3. Route + Filter network traffic
4. Connect virtual networks

Question 3

Describe Public Endpoints

Answer 3

Public endpoints have a public IP address and can be accessed from anywhere in the world.

Question 4

Explain Isolation and Segmentation when refering to Azure Virtual Network

Answer 4

Azure virtual network allows you to create multiple** isolated virtual networks.** When you set up a virtual network, you define a private IP address space by using either public or private IP address ranges.

Question 5

Explain how Azure VN allows for Internet Communication

Answer 5

You can enable incoming connections from the internet by assigning a public IP address to an Azure resource, or putting the resource behind a public load balancer.

Question 6

Explain Communication when refering to Azure VN

Answer 6

1. Virtual networks can connect not only VMs but other Azure resources.

Question 7

Name the 3 connection types that allow you to communicate with on-site resources.

Answer 7

1.Point-to-site (Outside PC to Corp. Network)
2. Site-to-site (On site VPN Device/Gateway to Azure VPN )
3. Azure ExpressRoute (Dedicated private connection to AZ not over internet)

Question 8

What are the two methods of controlling ROUTING in Azure VN

Answer 8

1. Route tables (define rules about how traffic should be directed.)
2. Border Gateway Protocol (BGP)

Question 9

Name two methods of filtering network traffic in Azure

Answer 9

1. Network security groups (Azure resources that can contain multiple inbound and outbound security rules.)
2. Network virtual appliances (specialised VM - acts as a firewall or WAN optimiser)

Question 10

What method would you use to connect virtual networks together?

Answer 10

Virtual network peering
(private and never uses internet)