Implementing Cisco SD-WAN Solutions (ENSDWI) — Question 213

Which protocol advertises WAN Edge routes on the service side?

Answer options

• A. OSPF
• B. BGP
• C. ISIS
• D. EIGRP

Correct answer: B

Explanation

BGP, or Border Gateway Protocol, is specifically designed for routing between different autonomous systems on the internet, making it ideal for advertising WAN Edge routes. The other protocols listed, such as OSPF, ISIS, and EIGRP, are typically used for routing within a single autonomous system and are not suitable for service-side WAN Edge route advertisement.