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How does multicast differ from unicast and broadcast?
What is the IP address range reserved for multicast groups?
What does a regular switch do when it receives a multicast frame?
Which device would you configure to prevent multicast traffic from being sent to non-group members?
The key terms for this section include:
Term Definition
Unicast Messages are sent toMe a specific host address. The sending device must know the IP address of all recipients and must create a separate packet for each destination device.
Broadcast A single packet that, when sent, is processed by all hosts. Broadcast packets are not typically forwarded by routers, so broadcast traffic is limited to within a single subnet.
IGMP The Internet Group Management Protocol (IGMP) is used to identify group members and to forward multicast packets on to the segments where group members reside.
This section helps you prepare for the following certification exam objectives:
Exam Objective
CompTIA Network+
1.3 Explain the concepts and characteristics of routing and switching.
Properties of network traffic
Multicast
Unicast
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