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AWS Certified Advanced Networking - Specialty · AWS
Select 2 answers.
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transit gateway, do not support jumbo MTU sizes. The maximum supported MTU size is 1500 bytes. so B is out. D is also useless, no impact for the network side.
B) Activating Jumbo MTU (Maximum Transmission Unit) can increase the efficiency of data transfer by allowing larger packets to be transmitted, reducing the overhead associated with smaller packets. D) Upgrading to a modern EC2 instance type ensures that the instance has better performance capabilities. Additionally, activating Jumbo MTU at the operating system level can further optimize the data transfer. These actions address both the network infrastructure (MTU settings on the transit gateway) and the EC2 instances to improve overall upload performance for the larger content files.
The MTU of a network connection is the size, in bytes, of the largest permissible packet that can be passed over the connection. The larger the MTU of a connection, the more data that can be passed in a single packet. A transit gateway supports an MTU of 8500 bytes for traffic between VPCs, AWS Direct Connect, Transit Gateway Connect, and peering attachments. Traffic over VPN connections can have an MTU of 1500 bytes. https://docs.aws.amazon.com/vpc/latest/tgw/transit-gateway-quotas.html#:~:text=A%20transit%20gateway%20supports%20an,an%20MTU%20of%201500%20bytes.