AZ-800 Azure Route Tables and User-Defined Routes

Question 1

What is the primary purpose of User-Defined Routes (UDRs) in Azure Virtual Networks?

Accepted Answer

To override Azure's default system routes and control traffic flow

Answer

To automatically assign IP addresses to virtual machines

Answer

To configure DNS settings for virtual networks

Answer

To enable peering between virtual networks in different regions

Question 2

Which next hop type is used in a UDR to send traffic to an Azure Firewall or Network Virtual Appliance (NVA)?

Accepted Answer

VirtualAppliance

Answer

Internet

Answer

VirtualNetworkGateway

Answer

VirtualNetwork

Question 3

How many route tables can be associated with a single subnet at one time?

Accepted Answer

One

Answer

Unlimited

Answer

Two

Answer

Five

Question 4

When Azure selects a route for outbound traffic and multiple routes match, what algorithm does it use?

Accepted Answer

Longest prefix match — the most specific route is selected

Answer

Highest metric value wins

Answer

The route created most recently is selected

Answer

The route with the shortest name is selected

Question 5

What happens when a UDR has the same address prefix as an existing Azure system route?

Accepted Answer

The UDR takes precedence over the system route

Answer

The system route always takes precedence

Answer

Traffic is load-balanced between both routes

Answer

An error occurs and neither route is applied

Question 6

Which PowerShell cmdlet is used to create a new route table resource in Azure?

Accepted Answer

New-AzRouteTable

Answer

Add-AzRoute

Answer

Set-AzRouteConfig

Answer

New-AzNetworkRoute

Question 7

Which next hop type in a UDR is used to silently drop (blackhole) matched traffic?

Accepted Answer

None

Answer

Internet

Answer

VirtualNetwork

Answer

VirtualAppliance