400-007: Cisco Certified Design ExpertDemo

By Cisco · Question Mode

QuestionQ140

Network Design

Company XYZ’s network operates with IPv4 and IPv6, and it plans to introduce a multidomain, multicast-based network. The new design must use a PIM flavor that forwards traffic by using SPT. Which technology satisfies this requirement?

  • A PIM-SSM
  • B PIM-SM
  • C BIDIR-PIM
  • D PIM-DM
Explanation

PIM-SSM creates source-specific multicast distribution trees using (S,G) state, so receivers join directly toward the specified source over a shortest-path tree rather than relying on an RP-based shared tree. Cisco documents that SSM multicast groups create only source-specific distribution trees (no shared trees).

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