MCQs on Data Management and Security in Redshift | AWS Redshift Security Questions

AWS Redshift is a powerful cloud-based data warehouse service designed to handle petabyte-scale data analytics. Chapter 7 focuses on key concepts such as querying S3 data using Redshift Spectrum, managing user access and permissions, encryption best practices, and ensuring data security. Additionally, it covers cross-region snapshots and disaster recovery strategies, vital for business continuity.

AWS Redshift MCQs – Chapter 7: Data Management and Security

Section 1: Redshift Spectrum for Querying S3 Data

1. What is the primary purpose of Redshift Spectrum in AWS?
   a) To store data in Redshift tables
   b) To query data stored in Amazon S3 without loading it into Redshift
   c) To transfer data between regions
   d) To create backup snapshots automatically
2. Redshift Spectrum uses which component to manage query execution?
   a) Amazon DynamoDB
   b) Athena Query Engine
   c) Redshift Query Processing Engine
   d) CloudFront
3. What is required to query data using Redshift Spectrum?
   a) A VPC peering connection
   b) A manifest file stored in S3
   c) An external schema in the Redshift database
   d) A Lambda function for query execution
4. Which file formats are compatible with Redshift Spectrum?
   a) CSV, Parquet, ORC
   b) TXT, DOCX, JSON
   c) PDF, PNG, JPG
   d) XML, HTML, MP3
5. Redshift Spectrum can query data from S3 if the data is:
   a) Only unencrypted
   b) Compressed or uncompressed
   c) Accessible through AWS CLI only
   d) Limited to 10 GB size

Section 2: Managing Users and Permissions

6. What is the default user role created during a Redshift cluster setup?
   a) root
   b) admin
   c) masteruser
   d) dbowner
7. How can you manage access permissions in AWS Redshift?
   a) Using IAM roles and policies only
   b) Granting privileges on database objects
   c) Creating a Lambda-based access manager
   d) Assigning S3 bucket policies
8. Which command grants access to a specific table in Redshift?
   a) ALLOW PERMISSION
   b) GRANT
   c) PERMIT ACCESS
   d) ADD ROLE
9. What happens when a user’s privileges are revoked in Redshift?
   a) They can still view but not modify data
   b) All access to the specified object is removed
   c) Temporary access is given
   d) The user is removed from the cluster
10. In Redshift, user authentication can be integrated with:
    a) Only AWS Secrets Manager
    b) Active Directory Federation Services
    c) Multi-factor authentication via Lambda
    d) CloudWatch Insights

Section 3: Encryption and Data Security Best Practices

11. What encryption method is used by Redshift to secure data at rest?
    a) TLS/SSL Encryption
    b) AES-256
    c) DES Algorithm
    d) SHA-1 Hashing
12. When encrypting Redshift data, which key management service can be used?
    a) AWS Key Management Service (KMS)
    b) Amazon CloudTrail
    c) AWS Inspector
    d) CloudFormation
13. How can data in transit be secured in AWS Redshift?
    a) Using IPsec tunnels
    b) Enabling SSL encryption for connections
    c) Encrypting using AES-512
    d) Implementing WAF rules
14. What feature does Redshift provide to protect sensitive data in queries?
    a) Data masking
    b) Encrypted indexes
    c) Query audit logs
    d) Role-based encryption
15. Which AWS service is recommended for monitoring suspicious Redshift activities?
    a) Amazon Macie
    b) AWS GuardDuty
    c) AWS Config
    d) AWS Backup

Section 4: Cross-Region Snapshots and Disaster Recovery

16. What is a cross-region snapshot in AWS Redshift?
    a) A backup stored in a different Redshift cluster
    b) A snapshot copy stored in another AWS region
    c) A live replica of the database
    d) A snapshot shared across accounts
17. How can you enable cross-region snapshots for a Redshift cluster?
    a) Manually copy snapshots using AWS CLI
    b) Use the snapshot copy grant feature
    c) Configure Lambda for cross-region replication
    d) Enable automatic cross-region sync
18. Which feature helps reduce downtime during disaster recovery?
    a) Automated backups
    b) Cross-region snapshot restore
    c) Query retry policies
    d) S3 lifecycle policies
19. What happens if cross-region snapshot replication fails?
    a) A new snapshot is automatically created
    b) The replication process retries automatically
    c) The snapshots remain in the original region
    d) Disaster recovery is permanently disabled
20. Cross-region snapshots require:
    a) An Amazon S3 bucket in each region
    b) A snapshot copy grant in the destination region
    c) A dedicated EC2 instance for replication
    d) An IAM role with admin privileges

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