H12-821_V1.0 Exam Dumps | In IP multicast transmission, packets are transmitted from a source to a group of receivers. Which of

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Question 36/140

In IP multicast transmission, packets are transmitted from a source to a group of receivers. Which of the following statements are true about IP multicast technologies?

A. Compared with broadcast, IP multicast prevents information flooding.

B. Compared with broadcast, IP multicast effectively conserves network bandwidth.

C. Compared with unicast, IP multicast improves information transmission security.

D. Compared with unicast, IP multicast increases the load of information sources.

Correct Answer: A,B

Comprehensive and Detailed In-Depth Explanation:
* IP Multicast vs. Broadcast:
* A. TRUE # Unlike broadcast, which sends data to all hosts in a subnet, multicast only sends data to interested receivers, preventing flooding.
* B. TRUE # Multicast optimizes bandwidth usage by sending a single copy of data, which is then replicated at network routers only when necessary.
* IP Multicast vs. Unicast:
* C. FALSE # Multicast does not improve security; it may expose data to unintended receivers if not properly controlled.
* D. FALSE # Multicast reduces the load on the source because a single data stream serves multiple receivers instead of sending individual unicast streams.
# Reference: Huawei HCIA-Datacom Study Guide, IP Multicast Principles and Benefits.

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