AWS Certified Advanced Networking - Specialty
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A global film production company utilizes the AWS Cloud for encoding and storing video content prior to distribution. Its three global offices are connected to the us-east-1 Region via AWS Site-to-Site VPN links that terminate on a transit gateway with BGP routing enabled.
The company has recently begun producing higher-resolution content to support 8K streaming, resulting in content files that are three times larger than those from the previous format. Uploads of these files to Amazon EC2 instances now take 10 times longer than before.
Which two actions should a network engineer recommend to decrease the upload times?
Explanation:
To reduce the upload times for the global film production company, the network engineer should consider options that directly address the bandwidth and efficiency of the data transfer over the VPN links. Option A suggests creating a second VPN tunnel from each office location to the transit gateway and activating equal-cost multi-path (ECMP) routing. This would effectively double the bandwidth available for data transfer between the offices and the AWS Cloud, reducing upload times. Option C recommends replacing the existing VPN tunnels with new tunnels that have acceleration activated. AWS VPN acceleration can significantly improve the performance of VPN connections by offloading the encryption and decryption processes to specialized hardware, thus reducing the time it takes to upload large files. Options B and D, while they may offer some improvements, do not directly address the bandwidth limitation as effectively as options A and C. Option E, activating IGMP on the VPN tunnels, is not relevant to improving upload times for large file transfers. Therefore, the most effective actions to recommend are A and C.