The AWS Certified Data Engineer – Associate (DEA-C01) exam validates your skills in data engineering on AWS. It is suitable for those who want to demonstrate their ability to design and implement data solutions.
You are configuring an IAM policy for users to access an S3 bucket. What happens if the policy denies access?
AAccess is granted regardless of deny
BAccess is denied if explicitly denied
CUsers can request access override
DAccess is granted for other actions
Explanation
In IAM policies, if access is explicitly denied, it overrides any allow permissions.
Q52
Which service is primarily used for data warehousing in AWS?
AAmazon Redshift
BAWS Lambda
CAmazon S3
DAmazon DynamoDB
Explanation
Amazon Redshift is tailored for data warehousing, unlike the other options that serve different purposes.
Q53
A company needs to process large streams of incoming data in real-time. Which service should they use?
AAmazon SQS
BAmazon Kinesis
CAWS Glue
DAmazon RDS
Explanation
Amazon Kinesis is designed for real-time data processing, while the others are for different data handling or storage needs.
Q54
What happens when you delete an Amazon S3 bucket that contains versioned objects?
AAll versions are permanently deleted.
BBucket is deleted, but versions stay.
COnly the latest version is deleted.
DNothing happens; bucket cannot be deleted.
Explanation
All versions are permanently deleted when a versioned bucket is deleted, while the other options misrepresent the deletion behavior.
Q55
Which AWS service is used for serverless compute?
AAWS Lambda
BAmazon EC2
CAWS Batch
DAmazon RDS
Explanation
AWS Lambda enables serverless computing by running code without provisioning servers.
Q56
A company needs to process real-time streaming data. Which service should they use?
AAmazon S3
BAWS Glue
CAmazon Kinesis
DAWS Batch
Explanation
Amazon Kinesis is designed for real-time data streaming and processing.
Q57
What happens when an IAM user tries to access a resource without the necessary permissions?
AAccess granted with warnings
BAccess is denied
CPermissions are automatically granted
DUser is temporarily suspended
Explanation
IAM follows strict permission policies, denying access without authorization.
Q58
Which service allows for real-time data streaming analysis?
AAmazon Kinesis
BAWS Lambda
CAmazon S3
DAmazon RDS
Explanation
Amazon Kinesis is specifically designed for real-time stream processing, while the others manage different types of data storage or execution environments.
Q59
A company needs to share data securely between AWS accounts. Which service would best support this?
AAmazon S3 Bucket Policies
BAWS Direct Connect
CAmazon Route 53
DAWS Secrets Manager
Explanation
Amazon S3 Bucket Policies can grant access to different AWS accounts securely, unlike the other options listed.
Q60
You are configuring an ETL pipeline using AWS Glue. What happens if a scheduled job runs and the target S3 bucket is not available?
AJob will complete successfully.
BJob will fail with error.
CJob will run in standby.
DJob will automatically retry.
Explanation
If the target S3 bucket is unavailable, the Glue job will fail, preventing data from being written.