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ANS-C01 · Question #36

A company is deploying a new application on AWS. The application uses dynamic multicasting. The company has five VPCs that are all attached to a transit gateway Amazon EC2 instances in each VPC need…

The correct answer is C. Create an Internet Group Management Protocol (IGMP) multicast domain within the transit. https://docs.aws.amazon.com/vpc/latest/tgw/how-multicast-works.html https://docs.aws.amazon.com/vpc/latest/tgw/working-with-multicast.html#multicast-configurations-

Submitted by mateo_ar· Mar 6, 2026Implement AWS Networks

Question

A company is deploying a new application on AWS. The application uses dynamic multicasting. The company has five VPCs that are all attached to a transit gateway Amazon EC2 instances in each VPC need to be able to register dynamically to receive a multicast transmission. How should a network engineer configure the AWS resources to meet these requirements?

Options

  • ACreate a static source multicast domain within the transit gateway. Associate the VPCs and
  • BCreate a static source multicast domain within the transit gateway. Associate the VPCs and
  • CCreate an Internet Group Management Protocol (IGMP) multicast domain within the transit
  • DCreate an Internet Group Management Protocol (IGMP) multicast domain within the transit

How the community answered

(45 responses)
  • A
    18% (8)
  • B
    4% (2)
  • C
    69% (31)
  • D
    9% (4)

Explanation

https://docs.aws.amazon.com/vpc/latest/tgw/how-multicast-works.html https://docs.aws.amazon.com/vpc/latest/tgw/working-with-multicast.html#multicast-configurations-

Topics

#AWS Transit Gateway#Dynamic multicasting#IGMP multicast#VPC networking

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