- A
Use AWS Lambda with layers containing FFmpeg to transcode videos.
Why wrong: Lambda has a 15-minute execution limit and 10 GB memory limit, insufficient for transcoding large videos.
- B
Use Amazon S3 event notifications to trigger an AWS Elemental MediaConvert job.
MediaConvert is serverless, scales automatically, and is cost-effective for sporadic jobs.
- C
Provision a cluster of EC2 instances running FFmpeg, with Auto Scaling based on SQS queue depth.
Why wrong: EC2 instances incur costs even when idle; management overhead is higher.
- D
Use Amazon Elastic Transcoder, which is fully managed and triggers from S3 events.
Why wrong: Elastic Transcoder is legacy and being replaced by MediaConvert; also less feature-rich.
Question 369 of 1,746
SAP-C02 Design for New Solutions Practice Question
This SAP-C02 practice question tests your understanding of design for new solutions. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A media company is designing a video transcoding pipeline. They receive raw video files in Amazon S3, which need to be transcoded into multiple formats. The pipeline must handle sporadic bursts of uploads and complete processing within 30 minutes for each video. The cost should be minimized. Which design should they use?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use Amazon S3 event notifications to trigger an AWS Elemental MediaConvert job.
Option B is correct because AWS Elemental MediaConvert is a fully managed, serverless video transcoding service designed for high-volume, bursty workloads. It integrates directly with S3 event notifications, scales automatically to handle sporadic uploads, and completes each job within the required 30-minute window. Its pay-per-use pricing minimizes cost by eliminating idle infrastructure, unlike provisioned EC2 clusters or Lambda's 15-minute execution limit.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use AWS Lambda with layers containing FFmpeg to transcode videos.
Why it's wrong here
Lambda has a 15-minute execution limit and 10 GB memory limit, insufficient for transcoding large videos.
- ✓
Use Amazon S3 event notifications to trigger an AWS Elemental MediaConvert job.
Why this is correct
MediaConvert is serverless, scales automatically, and is cost-effective for sporadic jobs.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Provision a cluster of EC2 instances running FFmpeg, with Auto Scaling based on SQS queue depth.
Why it's wrong here
EC2 instances incur costs even when idle; management overhead is higher.
- ✗
Use Amazon Elastic Transcoder, which is fully managed and triggers from S3 events.
Why it's wrong here
Elastic Transcoder is legacy and being replaced by MediaConvert; also less feature-rich.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume Lambda can handle any short-lived compute task, but they overlook the 15-minute timeout and lack of GPU support for video encoding, making it unsuitable for transcoding jobs that require longer processing times or specialized hardware acceleration.
Detailed technical explanation
How to think about this question
AWS Elemental MediaConvert uses a job-based model where each transcoding task is submitted as a JSON job template, allowing for parallel processing of multiple output formats (e.g., HLS, DASH, MP4) from a single input. It leverages AWS's global infrastructure to automatically scale resources based on demand, and its integration with S3 event notifications via SNS or Lambda ensures near-real-time job triggering. Under the hood, MediaConvert uses a distributed, fault-tolerant architecture that can handle 4K/UHD content and supports frame-accurate trimming, captions, and DRM, which are critical for media workflows.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Design for New Solutions — study guide chapter
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FAQ
Questions learners often ask
What does this SAP-C02 question test?
Design for New Solutions — This question tests Design for New Solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use Amazon S3 event notifications to trigger an AWS Elemental MediaConvert job. — Option B is correct because AWS Elemental MediaConvert is a fully managed, serverless video transcoding service designed for high-volume, bursty workloads. It integrates directly with S3 event notifications, scales automatically to handle sporadic uploads, and completes each job within the required 30-minute window. Its pay-per-use pricing minimizes cost by eliminating idle infrastructure, unlike provisioned EC2 clusters or Lambda's 15-minute execution limit.
What should I do if I get this SAP-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
This SAP-C02 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SAP-C02 exam.
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