DBS-C01 Deployment and Migration Practice Question
Exhibit
Refer to the exhibit.
aws rds create-db-instance \
--db-instance-identifier mydb \
--db-instance-class db.t3.micro \
--engine mysql \
--master-username admin \
--master-user-password password123 \
--allocated-storage 20 \
--vpc-security-group-ids sg-12345678An administrator runs the above AWS CLI command to create an RDS MySQL instance. The command completes successfully. What is the status of the new DB instance immediately after the command returns?
⚠ Common exam trap
It's easy for candidates to assume the CLI command's successful return means the instance is immediately usable, but AWS CLI commands for resource creation are asynchronous and return before the resource is fully operational.
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
✓
creating
When you run the AWS CLI command to create an RDS MySQL instance, the command returns immediately after the API call is accepted and the instance enters the 'creating' state. The instance is not yet available because provisioning, configuring, and booting the database engine takes several minutes. The 'creating' status indicates that AWS is actively setting up the DB instance, and it will transition to 'available' only after the entire creation process completes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
available
Why it's wrong here
Instance is not available immediately; it is being provisioned.
- ✗
stopped
Why it's wrong here
Instance is not stopped; it's being created.
- ✗
deleting
Why it's wrong here
Instance is not being deleted.
- ✓
creating
Why this is correct
The instance enters 'creating' state until provisioning completes.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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