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Answer: Enable jumbo frames on the transit gateway. Instruct the application team to set the maximum transmission unit (MTU) of the system’s network interfaces to 9001 bytes.
To increase the payload size per packet delivery between the EC2 instances connected through a transit gateway, enabling jumbo frames is a common approach. Jumbo frames allow for a larger MTU (Maximum Transmission Unit) than the standard 1500 bytes, which can significantly increase the efficiency of data transfer by reducing the overhead associated with packet headers. Option A suggests enabling jumbo frames on the transit gateway and setting the MTU of the system’s network interfaces to 9001 bytes, which is a standard size for jumbo frames. This approach ensures that all network connectivity goes through the transit gateway, as required. Options B, C, and D either do not address the requirement to use the transit gateway for all connectivity or suggest MTU sizes that are not standard for jumbo frames, making them less optimal solutions.
Author: LeetQuiz Editorial Team
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A company operates application servers on Amazon EC2 instances deployed in separate VPCs interconnected via a transit gateway. The EC2 instances are launched in private subnets with routes to the transit gateway for both internal and external connectivity. External connectivity is facilitated by a VPC equipped with firewall devices that inspect packets entering and exiting through an internet gateway.
To assist the application team in increasing the payload size per packet delivery between the EC2 instances, while ensuring all network traffic continues to route through the transit gateway, what steps should the network engineer take?
A
Enable jumbo frames on the transit gateway. Instruct the application team to set the maximum transmission unit (MTU) of the system’s network interfaces to 9001 bytes.
B
Instruct the application team to set the maximum transmission unit (MTU) of the VPC to 8500 bytes.
C
Instruct the application team to set up enhanced networking on the system by using the enhanced networking adapter. Set the maximum transmission unit (MTU) to 9001 bytes.
D
Instruct the application team to set the maximum transmission unit (MTU) of the system’s network interfaces to 8500 bytes.
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