A private, dedicated connection between an on-premises network and Azure through a connectivity provider. It bypasses the public internet, offering higher bandwidth, lower latency, and greater reliability than VPN.
The premium hybrid connectivity option in AZ-900 and AZ-104. Question: when should you choose ExpressRoute over VPN Gateway? Answer: high data transfer volumes, guaranteed low latency, or compliance requirements that prohibit the public internet.
Azure ExpressRoute is a concept that can show up on the exam. Check the full guide to see it in context.