AZ-700 ExpressRoute and VPN Gateway Flashcards
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Read the first 6 AZ-700 ExpressRoute and VPN Gateway flashcards as text
How does ExpressRoute differ from a site-to-site VPN?
Answer: ExpressRoute provides a private dedicated circuit that bypasses the public internet
ExpressRoute provides a private, dedicated network connection to Azure through a connectivity provider, bypassing the public internet entirely unlike VPN which tunnels over the internet.
What routing protocol does ExpressRoute use to exchange routes with Azure?
Answer: BGP (Border Gateway Protocol)
ExpressRoute exclusively uses BGP (Border Gateway Protocol) for dynamic route exchange between your on-premises network and Azure.
What is ExpressRoute Global Reach used for?
Answer: Connecting two on-premises networks to each other through the Microsoft backbone
ExpressRoute Global Reach allows two on-premises networks, each connected to Azure via ExpressRoute, to communicate with each other through the Microsoft global network.
Which ExpressRoute peering type is used to connect to Azure virtual networks?
Answer: Private peering
ExpressRoute private peering connects your on-premises network to Azure virtual networks (VNets) over a private, dedicated path.
What is the minimum circuit bandwidth available for an ExpressRoute circuit?
Answer: 50 Mbps
ExpressRoute circuits are available starting at 50 Mbps, scaling up to 10 Gbps for provider-based circuits and up to 100 Gbps for ExpressRoute Direct.
What is the naming requirement for the subnet used by an Azure VPN Gateway?
Answer: It must be named 'GatewaySubnet'
Azure requires the gateway subnet to be named exactly 'GatewaySubnet'; any other name will cause deployment to fail.