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Guide for AWS Certified Data EngineerAssociate DEA-C01

Quiz AWS Certified Data EngineerAssociate DEA-C01

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Quiz

1/10
Data Governance and Security
Which AWS service allows you to centrally manage encryption keys used for encrypting data at rest?
Select the answer
1 correct answer
A.
AWS KMS
B.
AWS CloudHSM
C.
AWS Certificate Manager
D.
AWS Secrets Manager

Quiz

2/10
Data Integration Techniques
Which AWS service is designed to build and run extract, transform, and load (ETL) jobs to prepare and transform data from multiple sources for analytics?
Select the answer
1 correct answer
A.
AWS Glue
B.
AWS Data Pipeline
C.
Amazon EMR
D.
Amazon S3 Transfer Acceleration

Quiz

3/10
Streaming Data Processing (Kinesis, Kafka)
What is the default retention period for records in an Amazon Kinesis Data Stream?
Select the answer
1 correct answer
A.
24 hours
B.
48 hours
C.
7 days
D.
12 hours

Quiz

4/10
Data Pipeline Development and Management
Which AWS service is best suited for automating the movement and transformation of data between various data stores while managing complex data workflows?
Select the answer
1 correct answer
A.
AWS Step Functions
B.
AWS Glue
C.
AWS Data Pipeline
D.
Amazon Kinesis Data Firehose

Quiz

5/10
Data Lakes and Data Lake Architecture
Which AWS service is best suited for storing petabytes of raw data in a cost-effective manner for a data lake?
Select the answer
1 correct answer
A.
Amazon S3
B.
Amazon RDS
C.
Amazon DynamoDB
D.
Amazon Redshift

Quiz

6/10
Data Modeling and Database Design
Which process in relational database design minimizes data redundancy and dependency by organizing data into multiple related tables?
Select the answer
1 correct answer
A.
Normalization
B.
Denormalization
C.
Partitioning
D.
Indexing

Quiz

7/10
Data Warehousing Solutions
What is a key advantage of using Amazon Redshift for data warehousing compared to traditional on-premises solutions?
Select the answer
1 correct answer
A.
It provides automated backups and scaling capabilities
B.
It integrates seamlessly with other AWS services
C.
It eliminates the need for manual database tuning
D.
It offers both scalability and cost efficiency

Quiz

8/10
ETL (Extract, Transform, Load) Processes
Which of the following options represents the correct sequence of the ETL process?
Select the answer
1 correct answer
A.
Extract, Transform, Load
B.
Transform, Load, Extract
C.
Load, Extract, Transform
D.
Transform, Extract, Load

Quiz

9/10
Big Data Technologies and Frameworks
Which of the following is one of the main advantages of Apache Spark compared to Hadoop MapReduce for big data processing?
Select the answer
1 correct answer
A.
Faster iterative processing due to in-memory computations
B.
Lower cost of storage in distributed file systems
C.
Easier integration with traditional relational databases
D.
Enhanced support for schema-on-read operations

Quiz

10/10
Performance Tuning and Optimization
Which approach is recommended to improve query performance in Amazon Redshift when dealing with large datasets?
Select the answer
1 correct answer
A.
Using a single distribution style for all tables
B.
Designing efficient sort keys and distribution keys based on query patterns
C.
Relying solely on compression encoding
D.
Increasing the number of nodes without optimizing schema
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  • Quiz name:AWS Certified Data EngineerAssociate DEA-C01
  • Total number of questions:531
  • Number of questions for the test:50
  • Pass score:80%

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