AZ-700 Azure Routing 2

Question 1

What is the default BGP Autonomous System Number (ASN) used by Azure VPN Gateways?

Accepted Answer

65515

Answer

Azure VPN Gateways use BGP ASN 65515 by default; note that Microsoft's ExpressRoute edge routers use the separate ASN 12076.

Question 2

Which routing protocol does Azure use to dynamically exchange routes between an ExpressRoute gateway and on-premises routers?

Accepted Answer

BGP (Border Gateway Protocol)

Answer

Azure ExpressRoute exclusively uses BGP to exchange routing information between Azure and on-premises or provider edge routers.

Question 3

What is Azure Route Server primarily designed to accomplish?

Accepted Answer

Enable dynamic BGP route exchange between network virtual appliances and Azure virtual network gateways

Answer

Azure Route Server acts as a BGP route reflector that enables NVAs to dynamically exchange routes with Azure's VPN and ExpressRoute gateways without requiring manual UDRs.

Question 4

When configuring BGP on an Azure VPN Gateway, what must the on-premises VPN device use as the BGP neighbor IP address?

Accepted Answer

The Azure gateway's BGP IP address assigned within the GatewaySubnet

Answer

BGP sessions are established using the gateway's BGP IP address (from GatewaySubnet address space), not its public IP, because BGP runs over the tunnel after it is established.

Question 5

Which Azure VPN Gateway SKU does NOT support BGP?

Accepted Answer

Basic

Answer

The Basic SKU does not support BGP; all VpnGw1 and higher SKUs (including AZ variants) support BGP for dynamic routing.

(AZ-700) Azure Network Engineer Associate Practice Test

(AZ-700) Azure Network Engineer Associate Practice Test

AZ-700 Azure Routing 2