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Your website is serving on-demand training videos to your workforce. Videos are uploaded monthly in high
resolution MP4 format. Your workforce is distributed globally often on the move and using company-provided
tablets that require the HTTP Live Streaming (HLS) protocol to watch a video. Your company has no video
transcoding expertise and it required you may need to pay for a consultant.
How do you implement the most cost-efficient architecture without compromising high availability and quality
of video delivery’?

A.
Elastic Transcoder to transcode original high-resolution MP4 videos to HLS S3 to host videos with Utecycle
Management to archive original flies to Glacier after a few days CloudFront to serve HLS transcoded videos
from S3

B.
A video transcoding pipeline running on EC2 using SQS to distribute tasks and Auto Scaling to adjust the
number or nodes depending on the length of the queue S3 to host videos with Lifecycle Management to
archive all files to Glacier after a few days CloudFront to serve HLS transcoding videos from Glacier

C.
Elastic Transcoder to transcode original nigh-resolution MP4 videos to HLS EBS volumes to host videos and
EBS snapshots to incrementally backup original rues after a fe days.CioudFront to serve HLS transcoded videos
from EC2.

D.
A video transcoding pipeline running on EC2 using SOS to distribute tasks and Auto Scaling to adjust the
number of nodes depending on the length of the queue E8S volumes to host videos and EBS snapshots to
incrementally backup original files after a few days CloudFront to serve HLS transcoded videos from EC2

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