Question 1hardmultiple choice
Full question →hardmultiple choiceObjective-mapped
A DynamoDB table for a travel booking site has a partition key based only on the current date. Write throttling occurs during business hours. What is the best design change? The architecture review board prefers a managed AWS-native control.
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Distractor review
Create a global secondary index with the same date key
A GSI with the same hot key can suffer the same partition problem.
B
Distractor review
Move the table to S3 Glacier Instant Retrieval
S3 Glacier is object storage and not a DynamoDB write scaling solution.
C
Distractor review
Reduce the table's write capacity
Reducing capacity worsens throttling.
D
Best answer
Use a higher-cardinality partition key that distributes writes across partitions
A low-cardinality hot partition causes throttling; a better key spreads writes more evenly.
Common exam trap
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Technical deep dive
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
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FAQ
Questions learners often ask
What does this SAA-C03 question test?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: Use a higher-cardinality partition key that distributes writes across partitions — DynamoDB performance depends heavily on partition-key cardinality and workload distribution.
What should I do if I get this SAA-C03 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
Discussion
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