300-510 Implementing Cisco Service Provider Advanced Routing Solutions (SPRI)

What is the difference between a source tree and a shared tree in a multicast environment?

  • A. To route traffic from source to receiver a source tree uses a link-state routing protocol and a shared tree uses a distancevector routing protocol.
  • B. A source tree has its root at the source, and a shared tree has its root at a designated rendezvous point.
  • C. To stream multicast from source to receiver, a source tree uses PIM-SM and a shared tree uses PIM-DM.
  • D. Source trees are the default type for bidirectional PIM, and PIM-DM uses shared trees by default.
Answer: Option B.
Explanation: 

Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipmulti_pim/configuration/xe-16-5/imc-pim-xe-16-5-book/imctech-oview.html

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