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mediumDrag & DropObjective-mapped
CCNP Practice Question: Drag and drop the steps of Multicast RP discovery…
Drag and drop the steps of Multicast RP discovery using Auto-RP into the correct order, from first to last.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Candidate-RPs send RP-Announce to 224.0.1.39
Auto-RP uses a mapping agent to discover RPs. Candidate RPs announce their services to a well-known group (224.0.1.39). The mapping agent collects these announcements and sends RP-to-group mappings to another group (224.0.1.40). Routers then learn the RP for each group.
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Variation 1. Drag and drop the steps of multicast RP discovery using Auto-RP into the correct order, from first to last.
medium- ✓ A.Candidate RPs send RP-announce to 224.0.1.39
- ✓ B.Mapping agent receives RP-announce and selects RP
- ✓ C.Mapping agent sends RP-discovery to 224.0.1.40
- ✓ D.All routers receive RP-discovery and store mapping
- ✓ E.Routers use mapping to forward (S,G) or (*,G) joins
Why A: Auto-RP uses a mapping agent that listens for RP announcements, then advertises the RP mapping via a well-known group; all routers learn the RP and use it for group-to-RP mapping.
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-401 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 350-401 exam.