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