SAP-C02 Practice Question: Accelerate Workload Migration and Modernization
Which THREE of the following are common challenges when migrating a monolithic application to a microservices architecture on AWS? (Choose three.)
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
✓
Managing distributed transactions across multiple services
Distributed transactions, data consistency, and network latency are well-known challenges. Autoscaling is a benefit. Single database bottleneck can be solved with polyglot persistence.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Managing distributed transactions across multiple services
Why this is correct
Distributed transactions require patterns like saga.
- ✗
Single database bottleneck when all services share the same database
Why it's wrong here
Sharing a database defeats the purpose; each service should have its own database.
- ✓
Increased network latency due to inter-service communication
Why this is correct
Network calls add latency compared to in-process calls.
- ✓
Ensuring data consistency between services that own their own databases
Why this is correct
Eventual consistency and saga patterns are needed.
- ✗
Difficulty in scaling individual services independently
Why it's wrong here
Microservices enable independent scaling.
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