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Exam (elaborations)

AWS SAA: Database Exam Questions And Correct Answers New Update (A+ Pass)

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AWS SAA: Database Exam Questions And Correct Answers New Update (A+ Pass) What is RDS? - Answers -DBSaaS (Database Server as a Service) - a managed service Types of DB in RDS? - Answers -- MySQL - Oracle - PostgreSQL Types of RDS MultiAZ - Answers -- MultiAZ instance - MultiAZ Cluste...

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  • October 3, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • AWS SAA
  • AWS SAA
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AWS SAA: Database Exam Questions
And Correct Answers New Update
(A+ Pass)
What is RDS? - Answers -DBSaaS (Database Server as a Service)

- a managed service

Types of DB in RDS? - Answers -- MySQL
- Oracle
- PostgreSQL

Types of RDS MultiAZ - Answers -- MultiAZ instance
- MultiAZ Cluster

Nodes in RDS MultiAZ Instance? - Answers -- Primary
- Standby (never read except for primary failure)
- Replica (extra cost)

Can DynamoDB be deployed inside a VPC? - Answers -No

Can DynamoDB uses interface endpoint? - Answers -No. Only gateway endpoint as it is
a public service.

Any public aws service cannot be directly put inside a vpc.

Auto Scaling in DynamoDB can be enabled via? - Answers -CLI only

In RDS MultiAZ Instance, Primary to Standby is asynchronous? - Answers -No.
Synchronous.

Protect RDS authentication from EC2 using? - Answers -IAM DB Authentication

What provides asynchronous replication of RDS? - Answers -RDS Read Replicas

Where does RDS stores data? - Answers -EBS Volumes

IAM DB Authentication is applicable in which type of DBs? - Answers -- MYSQL
- PostgreSQL

Which is synchronous: Multi-AZ replication, Multi-Region replication or both? - Answers
-Multi-AZ

, Can we use TDE in RDS MSSQL or Oracle for encrypting data in transit? - Answers -
No. it only encrypts data at rest.

Are DynamoDB streams enabled by default? - Answers -No.

What is DyanmoDB Stream Kinesis Adapter? - Answers -For real-time fetching and
action taking on DynamoDB streams.

BUT FIRST DYNAMODB STREAM NEEDS TO BE ENABLED.

RedShift Spectrum runs on which infrastructure? - Answers -EC2

Redshift Spectrum vs Athena: cost effective? - Answers -Athena

Can Aurora do analytical workload? - Answers -No. Only transactional. (relational
database)

Relation between DynamoDB RCU and WCU? - Answers -RCU = WCU/2

DynamoDB scales horizontally or vertically? - Answers -Horizontally

How many standby replicas in RDS MultiAZ Instance? - Answers -ONE

Replicas in RDS MultiAZ Instance can be written to? - Answers -No. Only read.

How many in RDS MultiAZ Cluster? - Answers -1 Writer
2 Reader

both in different AZs

Which RDS Instance has read scalability? - Answers -RDS MultiAZ Cluster

Charges apply for cross-region data copy for RDS. - Answers -<NIL>

Are RDS restores fast? - Answers -Nope.

Does creating new RDS instance creates a new address? - Answers -Yes.

How many direct read replicas per DB instance in RDS? - Answers -5

Do Read Replicas really offer near 0 RTO? - Answers -No. near 0 RPO (more data
replicated hence available at time of failure).

What is the security of RDS in transit? - Answers -SSL/TLS (available)

Does RDS supports EBS volume encryption? - Answers -yes. through KMS.

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