DEA-C01 Data Store Management Practice Question
Exhibit
Refer to the exhibit.
```
[ec2-user@ip-10-0-0-1 ~]$ aws redshift describe-clusters --cluster-identifier mycluster
{
"Clusters": [
{
"ClusterIdentifier": "mycluster",
"NodeType": "dc2.large",
"NumberOfNodes": 2,
"ClusterStatus": "available",
"DBName": "dev",
"MasterUsername": "admin",
"AutomatedSnapshotRetentionPeriod": 7,
"ManualSnapshotRetentionPeriod": 30,
"ClusterVersion": "1.0"
}
]
}
```Refer to the exhibit. A data engineer notices that the Redshift cluster 'mycluster' does not have automated backups beyond 7 days. However, the compliance team requires a minimum of 35 days of backup retention. What should the engineer do?
⚠ Common exam trap
Watch out — candidates often confuse backup retention with node type capabilities or audit logging, assuming that hardware or logging features inherently extend backup duration, when in fact the retention period is a simple configuration parameter.
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
✓
Modify the cluster's automated snapshot retention period to 35 days.
Amazon Redshift allows you to modify the automated snapshot retention period for a cluster up to 35 days. The engineer can use the AWS Management Console, CLI, or API to change the `automated_snapshot_retention_period` parameter from the current 7 days to 35 days, meeting the compliance requirement without additional manual intervention.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Change the node type to ra3.xlplus to enable automatic backups for 35 days.
Why it's wrong here
Node type does not determine backup retention period.
- ✗
Enable audit logging to capture changes for recovery.
Why it's wrong here
Audit logs are not a substitute for backups.
- ✗
Take manual snapshots every day and retain them for 35 days.
Why it's wrong here
Manual snapshots require manual intervention and are not automated.
- ✓
Modify the cluster's automated snapshot retention period to 35 days.
Why this is correct
The retention period can be increased up to 35 days via modification.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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