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.
What happens when an IAM user is assigned a policy with "deny" effects?
AAccess is granted by default
BAccess is denied
CAccess is conditional
DPolicy has no effect
Explanation
In AWS IAM, explicit deny overrides any allows, enforcing a stricter access control.
Q172
Which service provides a managed relational database?
AAmazon RDS
BAmazon S3
CAmazon DynamoDB
DAmazon EC2
Explanation
Amazon RDS is specifically designed for managed relational databases, while the others serve different purposes.
Q173
A company needs to analyze data in real time. Which AWS service should they use?
AAmazon S3
BAWS Glue
CAmazon Kinesis
DAmazon Athena
Explanation
Amazon Kinesis is built for real-time data processing, unlike the others which focus on storage or batch processing.
Q174
You are configuring an IAM policy and want to allow S3 actions only from a specific IP range. What should you use?
AConditions with ipAddress
BResource-based policies
CSecurity groups
DService control policies
Explanation
The conditions element with ipAddress allows for specifying IP ranges in IAM policies, while the others do not apply here.
Q175
Which service is best for real-time data processing in AWS?
AAmazon Kinesis
BAmazon RDS
CAmazon S3
DAmazon ECS
Explanation
Amazon Kinesis is specifically designed for real-time data processing, whereas RDS, S3, and ECS serve different purposes.
Q176
A company needs high durability for its storage solution. Which AWS storage service should they choose?
AAmazon S3
BAmazon EBS
CAmazon EFS
DAWS Snowball
Explanation
Amazon S3 offers 99.999999999% durability, making it ideal for high durability needs; the others have different durability and use cases.
Q177
What happens when you set a security group rule with a conflicting CIDR block?
AAccess will be allowed from both
BAccess will be denied
CAccess will depend on priority
DOnly the last rule will take effect
Explanation
Conflicting rules within a security group do not allow access; security groups are inclusive by default.
Q178
Which service is used for managing Docker containers?
AAmazon ECS
BAmazon RDS
CAWS Lambda
DAmazon S3
Explanation
Amazon ECS (Elastic Container Service) is specifically designed for managing Docker containers; the others serve different purposes.
Q179
A company needs to securely share data between its AWS environment and an on-premise data center. What service should they use?
AAWS VPN
BAmazon CloudFront
CAmazon Kinesis
DAWS Snowball
Explanation
AWS VPN establishes a secure connection; the others do not address the secure connection between AWS and on-premises directly.
Q180
You are configuring an S3 bucket lifecycle policy to archive objects to Glacier. What will happen if you configure a transition rule to Glacier for objects older than 30 days?
AObjects will be deleted immediately
BObjects remain in S3 Standard
CObjects transition to Glacier after 30 days
DPolicy won't take effect
Explanation
Objects will transition to Glacier after 30 days as per the lifecycle rule; the other options misrepresent lifecycle management behavior.