DEA-C01 Data Operations and Support Practice Question
A data engineer is troubleshooting a failed AWS Glue ETL job that reads from an S3 bucket and writes to an Amazon Redshift table. The job fails with a permission error. Which IAM policy addition is MOST likely required for the Glue job's role?
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
✓
Add redshift:GetClusterCredentials
Redshift:GetClusterCredentials. When AWS Glue writes to Amazon Redshift using the JDBC driver with IAM authentication, the Glue job's IAM role needs the redshift:GetClusterCredentials permission to obtain temporary credentials for the Redshift database. Option A (redshift:DataAPI) is not a valid IAM action; the actual Data API action is redshift:ExecuteStatement. Options B and C are unrelated to executing queries. Therefore, D is the correct permission required when using the JDBC connection method commonly used by Glue jobs.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Add redshift:DataAPI
Why it's wrong here
The IAM action 'redshift:DataAPI' does not exist; the correct Data API action is 'redshift:ExecuteStatement', which is not listed. This option is incorrect.
- ✗
Add redshift:ModifyCluster
Why it's wrong here
redshift:ModifyCluster is used to modify cluster settings, not to execute queries or obtain credentials. Incorrect.
- ✗
Add redshift:DescribeStatement
Why it's wrong here
redshift:DescribeStatement is used to describe SQL statements, not to execute them or obtain credentials. Incorrect.
- ✓
Add redshift:GetClusterCredentials
Why this is correct
redshift:GetClusterCredentials is required when AWS Glue uses the JDBC driver with IAM authentication to obtain temporary credentials for connecting to Amazon Redshift. This is the correct permission in this scenario.
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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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This DEA-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DEA-C01 exam.