DBS-C01 Workload-Specific Database Design Practice Question
Network Topology
A database administrator runs the above command. The database is currently in a healthy state. Which statement is true about this database?
⚠ Common exam trap
AWS often tests the distinction between Multi-AZ and read replicas, where candidates mistakenly think 'multi-az': True implies a read replica or cross-region setup, but Multi-AZ is solely for high availability within a single region, not for read scaling or disaster recovery across regions.
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
✓
The database is deployed in a Multi-AZ configuration
The command output shows the database is in the 'creating' state with 'multi-az': True. This explicitly indicates that the database is being deployed in a Multi-AZ configuration, which provides high availability by synchronously replicating data to a standby instance in a different Availability Zone.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The database engine is Amazon Aurora
Why it's wrong here
The engine is MySQL, not Aurora.
- ✗
The database uses a burstable instance class
Why it's wrong here
db.r5.large is a memory-optimized instance, not burstable.
- ✓
The database is deployed in a Multi-AZ configuration
Why this is correct
MultiAZ is true, so it has a standby in another AZ.
- ✗
The database has a read replica in another region
Why it's wrong here
Multi-AZ is for high availability, not read replicas.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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