4. Network Layer
Multicast — Quiz
Test your understanding of multicast with 5 practice questions.
Practice Questions
Question 1
Which of the following describes the primary function of a Designated Router (DR) in a multicast routing protocol like PIM (Protocol Independent Multicast)?
Question 2
A network administrator is configuring a multicast application where the source is known, and receivers explicitly join a specific source's stream. Which multicast delivery model is most appropriate for this scenario?
Question 3
Consider a multicast group with IP address $239.1.2.3. A host wants to join this group. Which of the following is a valid IGMP message type that the host would send to express its interest in joining?
Question 4
What is the primary advantage of using a shared tree (e.g., in PIM-SM) for initial multicast traffic delivery, compared to a source-specific shortest path tree?
Question 5
In the context of multicast routing, what is the purpose of a 'Rendezvous Point' (RP) in Protocol Independent Multicast - Sparse Mode (PIM-SM)?