InterviewSolution
Saved Bookmarks
InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Aurora can have upto ________ low-latency replicas in ________ AZs. |
|
Answer» AURORA can have upto ________ low-latency replicas in ________ AZs. Choose the CORRECT option from below list (1)10, 3 (2)15, 3 (3)10, 4 (4)15, 4 Answer:-(2)15, 3 |
|
| 2. |
The service used for migration of the database to AWS is ________ |
|
Answer» The service used for MIGRATION of the DATABASE to AWS is ________ |
|
| 3. |
Read replicas can be promoted to become databases on their own. |
|
Answer» Read replicas can be promoted to become databases on their own. |
|
| 4. |
In DynamoDB, the default consistency model enabled is _____________ |
|
Answer» In DynamoDB, the default CONSISTENCY model ENABLED is _____________ |
|
| 5. |
The availability SLA of Aurora DB is __________ |
|
Answer» The availability SLA of AURORA DB is __________ |
|
| 6. |
DynamoDB is backed by _________ type of disks, by default. |
|
Answer» DynamoDB is BACKED by _________ type of DISKS, by default. |
|
| 7. |
A multi-AZ DB will have a little downtime, and a single AZ will be unavailable during the scaling operation. |
|
Answer» A multi-AZ DB will have a little downtime, and a single AZ will be unavailable during the scaling operation. |
|
| 8. |
Which of the following search queries uses indexes? |
|
Answer» Which of the FOLLOWING search QUERIES uses indexes? |
|
| 9. |
Which among the following is used for disaster recovery? |
|
Answer» Which among the following is USED for disaster recovery? |
|
| 10. |
Aurora is both MySQL and PostgreSQL compatible. |
|
Answer» AURORA is both MySQL and PostgreSQL compatible. Choose the correct OPTION from below list (1)True (2)False Answer:-(1)True |
|
| 11. |
The Graph database service provided by AWS is __________ |
|
Answer» The Graph database service PROVIDED by AWS is __________ |
|
| 12. |
The number of secondary indexes a table can have is ________ |
|
Answer» The number of secondary INDEXES a table can have is ________ |
|
| 13. |
ElastiCache for memcached supports snapshots. |
|
Answer» ELASTICACHE for memcached supports snapshots. Choose the CORRECT option from below LIST (1)False (2)True Answer:-(1)False |
|
| 14. |
Which scaling methodology is opted when the load is increased with nearly equal number of reads and writes? |
|
Answer» Which scaling methodology is opted when the LOAD is increased with nearly EQUAL NUMBER of reads and writes? |
|
| 15. |
Aurora is ________ times faster than the regular PostgreSQL database. |
|
Answer» Aurora is ________ times faster than the REGULAR POSTGRESQL database. |
|
| 16. |
Aurora can scale up to ___________ |
|
Answer» Aurora can scale up to ___________ |
|
| 17. |
In columnar database, compression of data is easy. |
|
Answer» In COLUMNAR database, compression of DATA is easy. |
|
| 18. |
Only DNS is provided for the SQL server, and not IPV4. |
|
Answer» Only DNS is PROVIDED for the SQL SERVER, and not IPV4. |
|
| 19. |
Can Multi AZ deployment be used for improving performance of DB? |
|
Answer» Can Multi AZ deployment be used for IMPROVING performance of DB? |
|
| 20. |
Which of the following services can have up to 15 read-replicas? |
|
Answer» Which of the FOLLOWING services can have up to 15 read-replicas? |
|