4.1 - Implement and Manage Virtual Networking

What is the purpose of Azure Virtual Networks (VNets)?

To define network spaces with IP address ranges segmented into subnets.

What are the key properties of a Virtual Network?

Name, Location, Address Space, DNS Settings, Subnets, Peerings.

What are the restrictions on naming a Virtual Network?

Must be unique within the resource group, 2-64 characters, start and end with a letter, number, or underscore.

How does VNet Peering enable communication between VMs in different VNets?

Using private IP addresses over Microsoft's infrastructure. Signup and view all the answers

What does a Subnet's Address Range specify?

The subnet's IP address range in CIDR notation. Signup and view all the answers

What is the purpose of a Network Security Group in a Subnet?

To control inbound and outbound traffic flows. Signup and view all the answers

How does Route Table in a Subnet impact traffic routing?

It overrides default routes for sending traffic to specific destinations. Signup and view all the answers

What is the significance of Service Endpoints in a Subnet?

They provide direct routes to Azure PaaS services. Signup and view all the answers

What does Delegations allow in a Subnet?

Allows subnets to be used by specific Azure services. Signup and view all the answers

What is the difference between Local and Global VNet Peering?

Local VNet Peering is within the same region, while Global VNet Peering can be across regions. Signup and view all the answers

What is the purpose of a VNet Gateway in Azure networking?

Required for VNet peering, avoids cost, throughput limitations, and complexity associated with additional VNet gateways Signup and view all the answers

How are private IP addresses configured within Azure networking?

Configured within IP configurations of the network interface, with the first private IP typically set at .4 Signup and view all the answers

What are the tiers available for Public IP addresses in Azure networking?

Basic (static/dynamic, open by default) and Standard (static, closed by default, supports zones) Signup and view all the answers

What is the purpose of Source Network Address Translation (SNAT) in Azure networking?

Used for outbound traffic from a VM's private IP to the public IP, without requiring a public IP for outbound Internet traffic Signup and view all the answers

How do Service Endpoints function in Azure networking?

Integrates Azure PaaS services into VNets via Microsoft Azure backbone network, can be enabled on multiple subnets Signup and view all the answers

What is the purpose of Private Endpoints in Azure networking?

Establish private connections between supported Azure services and VNets using private IP addresses and links Signup and view all the answers

How are DNS Zones managed in Azure networking?

Managed by Azure DNS, stores DNS records for a domain, child zones treated separately Signup and view all the answers

What is the function of DNS Labeling in Azure networking?

Configuring DNS labels for Azure public IP addresses, can be set in IP address resource or Azure DNS Signup and view all the answers

How are Route Tables and User-Defined Routes (UDRs) used in Azure networking?

Useful for routing traffic through network virtual appliances, support next hop types like Virtual Appliance, Internet, etc. Signup and view all the answers