300-420 Multicast Practice Questions
The free 300-420: Designing Cisco Enterprise Networks (ENSLD) questions that deal with multicast, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #9
When designing interdomain multicast, which two protocols are deployed to achieve communication between multicast sources and receivers? (Choose two.)
Select 2 answers.
Correct answer: C, D
Explanation
MSDP shares active source information between PIM domains and MP-BGP carries the multicast routing information needed for RPF between domains.
Question #10
Which two statements describe source trees in a multicast environment? (Choose two.)
Select 2 answers.
Correct answer: A, B
Explanation
A source tree is rooted at the source and follows the shortest path to each receiver, giving the optimal path and lowest latency; shared trees are the ones that can be suboptimal.
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