Certified Network Defender (CND) — Question 57

Which of the following protocols is used for inter-domain multicast routing?

Answer options

• A. BGP
• B. RPC
• C. VoIP
• D. RADIUS

Correct answer: A

Explanation

BGP (Border Gateway Protocol) is designed for inter-domain routing, including multicast routing. The other options, such as RPC (Remote Procedure Call), VoIP (Voice over Internet Protocol), and RADIUS (Remote Authentication Dial-In User Service), serve different purposes and are not used for inter-domain multicast routing.