Your Website Is Serving On-Demand Training Videos to Your Workforce

question 613

Multiple Choice

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) A video transcoding pipeline running on EC2 using SQS to distribute tasks and Auto Scaling to adjust the number of nodes depending on the length of the queue. EBS volumes to host videos and EBS snapshots to incrementally backup original files after a few days. CloudFront to serve HLS transcoded videos from EC2.
• B) Elastic Transcoder to transcode original high-resolution MP4 videos to HLS. EBS volumes to host videos and EBS snapshots to incrementally backup original files after a few days. CloudFront to serve HLS transcoded videos from EC2.
• C) Elastic Transcoder to transcode original high-resolution MP4 videos to HLS. S3 to host videos with Lifecycle Management to archive original files to Glacier after a few days. CloudFront to serve HLS transcoded videos from S3.
• D) A video transcoding pipeline running on EC2 using SQS to distribute tasks and Auto Scaling to adjust the number of 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 transcoded videos from Glacier.

---

Definitions:

Personal Friendship

Personal friendship involves a mutual bond between people who share interests and affection not necessarily based on business or professional interests.

Unsalable Goods

Products that cannot be sold due to being outdated, damaged, or otherwise not meeting the market's standards.

FMCG Company

Fast Moving Consumer Goods company; specializes in manufacturing, distribution, and marketing of products that are frequently purchased such as food, beverages, cleaning products, and personal care items.

Retailer

A business or person that sells goods to consumers, typically in small quantities and through a storefront, online platform, or other direct-to-consumer channels.