PAS-C01 Migration Practice Question
Exhibit
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"dms:CreateReplicationTask",
"dms:StartReplicationTask",
"dms:DescribeReplicationTasks",
"rds:CreateDBInstance",
"rds:DescribeDBInstances",
"s3:GetObject",
"s3:PutObject"
],
"Resource": "*"
}
]
}Refer to the exhibit. An SAP administrator is creating an IAM policy for a migration user who will use AWS DMS to migrate an SAP database to Amazon RDS. The migration also requires reading from an S3 bucket containing source database export files and writing the DMS logs to another S3 bucket. The policy above is attached. Which required permission is MISSING from this policy?
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
✓
dms:CreateEndpoint
The policy includes dms:CreateReplicationTask and permissions for S3 and RDS, but it lacks dms:CreateEndpoint, which is required to create source and target endpoints for DMS migrations. Without this permission, the migration user cannot set up the endpoints necessary for the replication process. - Option A (dms:TestConnection): This permission is used to test endpoint connectivity, but it is not essential for creating a replication task; the missing permission is for creating endpoints. - Option B (s3:ListBucket): While s3:ListBucket might be useful for browsing S3 objects, it is not strictly required because DMS can access objects by key if the path is provided. - Option C (rds:ModifyDBInstance): This permission is not needed for DMS to perform migration; DMS uses the RDS instance as a target but does not require modification rights. - Option D (dms:CreateEndpoint): Correct. Without this permission, the user cannot create the source or target endpoints, which are prerequisites for running a DMS task.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
dms:TestConnection
Why it's wrong here
TestConnection is optional and not required.
- ✗
s3:ListBucket
Why it's wrong here
s3:ListBucket is not required if the user specifies exact object keys.
- ✗
rds:ModifyDBInstance
Why it's wrong here
Modifying the DB instance is not needed for migration.
- ✓
dms:CreateEndpoint
Why this is correct
DMS requires CreateEndpoint to define source and target databases.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
Go deeper
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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