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Question 706 of 1,786

Data Ingestion and Transformation →hardMultiple ChoiceObjective-mapped

DEA-C01 Data Ingestion and Transformation Practice Question

This DEA-C01 practice question tests your understanding of data ingestion and transformation. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 data streaming application uses Kinesis Data Streams with 10 shards. The data producer is throttled frequently. Which action should be taken to resolve this issue?

A
Decrease the data retention period
Why wrong: Retention period does not affect write capacity.
B
Use enhanced fan-out for consumers
Why wrong: Enhanced Fan-Out is for consumers, not producers.
C
Enable server-side encryption
Why wrong: Encryption does not affect throughput.
D
Increase the number of shards
Each shard provides 1 MB/s write capacity, so more shards increase capacity.

Full breakdown with real-world context →

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

✓

Increase the number of shards

Throttling in Kinesis Data Streams occurs when the write throughput exceeds the shard limits. Each shard supports up to 1 MB/s or 1,000 records/s for writes. With 10 shards, the total write capacity is 10 MB/s or 10,000 records/s. Increasing the number of shards (Option D) directly increases the write capacity, resolving the throttling issue by distributing the load across more shards.

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.

✗
Decrease the data retention period
Why it's wrong here
Retention period does not affect write capacity.
✗
Use enhanced fan-out for consumers
Why it's wrong here
Enhanced Fan-Out is for consumers, not producers.
✗
Enable server-side encryption
Why it's wrong here
Encryption does not affect throughput.
✓
Increase the number of shards
Why this is correct
Each shard provides 1 MB/s write capacity, so more shards increase capacity.
Related concept
Read the scenario before looking for a memorised answer.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates confuse consumer-side features (like enhanced fan-out or retention period) with producer-side capacity issues, leading them to pick options that do not address the root cause of write throttling.

Detailed technical explanation

How to think about this question

Kinesis Data Streams uses a shard-based partitioning model where each shard has a fixed write capacity of 1 MB/s and 1,000 records/s. Throttling is enforced via the `ProvisionedThroughputExceededException` error. To resolve producer throttling, you must either increase the number of shards (horizontal scaling) or implement a retry mechanism with exponential backoff. Note that resharding (splitting or merging shards) is an asynchronous operation that can take several seconds to complete, so monitoring and proactive scaling are critical in production.

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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.

Visual reference

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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FAQ

Questions learners often ask

What does this DEA-C01 question test?

Data Ingestion and Transformation — This question tests Data Ingestion and Transformation — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Increase the number of shards — Throttling in Kinesis Data Streams occurs when the write throughput exceeds the shard limits. Each shard supports up to 1 MB/s or 1,000 records/s for writes. With 10 shards, the total write capacity is 10 MB/s or 10,000 records/s. Increasing the number of shards (Option D) directly increases the write capacity, resolving the throttling issue by distributing the load across more shards.

What should I do if I get this DEA-C01 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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This DEA-C01 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 DEA-C01 exam.