AZ-700 Azure ExpressRoute 2

Question 1

How many BGP sessions does a standard ExpressRoute private peering configuration use?

Accepted Answer

2 — one primary and one secondary for redundancy

Answer

ExpressRoute private peering requires two BGP sessions (primary and secondary) for built-in redundancy across the two physical links.

Question 2

What is the maximum number of route prefixes that can be advertised to Azure over ExpressRoute private peering with a Standard SKU?

Accepted Answer

4,000

Answer

ExpressRoute Standard allows advertising up to 4,000 prefixes to Azure over private peering; Premium raises this to 10,000.

Question 3

Which Azure resource must be deployed in your VNet to connect it to an ExpressRoute circuit?

Accepted Answer

ExpressRoute Gateway (Virtual Network Gateway with type ExpressRoute)

Answer

An ExpressRoute Virtual Network Gateway is required in each VNet you want to connect to the ExpressRoute circuit.

Question 4

What is an ExpressRoute circuit's 'service key' used for?

Accepted Answer

Identifies the circuit to the connectivity provider for provisioning

Answer

The service key is a unique identifier for the ExpressRoute circuit that you provide to your connectivity provider to enable provisioning.

Question 5

Which ExpressRoute peering type requires you to register route filters to control which BGP communities are received?

Accepted Answer

Microsoft peering

Answer

Microsoft peering requires route filters to be configured in Azure to select which BGP service communities (e.g., specific Azure regions or M365) you receive.

AZ-700 - Designing and Implementing Microsoft Azure Networking Solutions Certification Practice Test

AZ-700 - Designing and Implementing Microsoft Azure Networking Solutions Certification Practice Test

AZ-700 Azure ExpressRoute 2