AWS RDS MCQs (25)
1) RDS stands for?
A. Relational Database Service
B. Remote Data Storage
C. Real-time Database System
D. Relational Data Server
2) AWS RDS is used for?
A. Object storage
B. Managed relational databases
C. CDN caching
D. Serverless functions only
3) Which is a supported RDS engine?
A. MySQL
B. PostgreSQL
C. Oracle
D. All of the above
4) Which is an AWS-managed MySQL-compatible engine?
A. Amazon Aurora
B. DynamoDB
C. Redshift
D. Neptune
5) In RDS, a DB instance means?
A. A database server in AWS
B. A bucket
C. A Lambda function
D. A VPC endpoint
6) RDS is typically deployed inside?
A. VPC
B. CloudFront
C. Route 53 only
D. IAM
7) For high availability, RDS uses?
A. Multi-AZ deployment
B. Single-AZ only
C. Glacier backup
D. CloudFront caching
8) Multi-AZ provides?
A. Automatic failover
B. Only manual snapshots
C. Cheaper storage
D. Faster internet
9) RDS Read Replica is mainly used for?
A. Backup only
B. Scaling read traffic
C. DNS hosting
D. IAM permissions
10) Read Replicas help with?
A. Write scaling
B. Read scaling
C. VPC creation
D. S3 replication
11) Automated backups in RDS enable?
A. Point-in-time recovery
B. Only manual restore
C. No restore possible
D. Only encryption
12) Manual backups in RDS are called?
A. Snapshots
B. Images
C. Buckets
D. Templates
13) Security for RDS network access is controlled by?
A. Security Groups
B. Route 53
C. CloudFront
D. S3 ACL
14) The preferred way to store DB passwords for Lambda/Apps is?
A. Hardcode in code
B. AWS Secrets Manager
C. Put in S3 public bucket
D. Email it
15) RDS encryption at rest is commonly done using?
A. AWS KMS
B. Route tables
C. IAM groups only
D. CloudFront keys
16) Which storage type is typically highest performance for RDS?
A. Magnetic
B. General Purpose SSD (gp2/gp3)
C. Provisioned IOPS SSD (io1/io2)
D. Glacier
17) RDS maintenance window is used for?
A. Running OS-level admin commands
B. Applying patches and minor version updates
C. Changing VPC CIDR
D. Updating CloudFront
18) Which feature helps control DB parameter settings?
A. Parameter Group
B. Bucket Policy
C. Security Token
D. Route Table
19) Which feature helps control engine options like audit logs?
A. Option Group
B. IAM Role
C. VPC Peering
D. Route 53
20) To allow access from an EC2 app server to RDS, you should?
A. Open DB port to 0.0.0.0/0
B. Allow inbound from EC2 security group to DB security group
C. Make DB public always
D. Disable password
21) RDS “publicly accessible” means?
A. DB gets a public IP (if subnet/route allows)
B. DB is open to everyone automatically
C. DB becomes serverless
D. DB is encrypted
22) Which service is best for monitoring RDS metrics?
A. CloudWatch
B. Route 53
C. S3 static hosting
D. SNS only
23) Which feature provides deeper OS/DB metrics for RDS?
A. Enhanced Monitoring
B. CloudFront
C. VPC Endpoint
D. IAM MFA
24) Which RDS feature helps improve performance by pooling DB connections?
A. RDS Proxy
B. NAT Gateway
C. CloudTrail
D. EBS Snapshot
25) RDS is best suited for?
A. Relational databases (SQL)
B. Key-value NoSQL only
C. File storage
D. CDN caching
Answer Key
1) A
2) B
3) D
4) A
5) A
6) A
7) A
8) A
9) B
10) B
11) A
12) A
13) A
14) B
15) A
16) C
17) B
18) A
19) A
20) B
21) A
22) A
23) A
24) A
25) A
To further enhance your understanding of AWS services, explore the following resources:
These practice questions will help you prepare for AWS certifications and deepen your knowledge of cloud computing concepts.