Section 21: Databases in AWS

Question 1

Amazon RDS is not Multi AZ, True or False

Answer 1

False

Question 2

Amazon RDS does not support read replicas, True or False

Answer 2

False

Question 3

Security for RDS

Answer 3

IAM
Security Groups
KMS(at rest encryption)
SSL in transit

Question 4

RDS automated backup timeframe

Answer 4

1-35 days

Question 5

What type of RDS snapshot for longer term recovery?

Answer 5

manual db snapshot

Question 6

RDS custom is available for which two offerings?

Answer 6

Oracle
SQL Server

Question 7

RDS supported engines

Answer 7

PostgreSQL
MySql
Oracle
SQL Server
DB2
MariaDB
Custom

Question 8

Aurora has a compatible API for which two engines?

Answer 8

PostgreSQL
MySQL

Question 9

By default with Aurora data is stored in how many replicas across how many AZs?

Answer 9

6
3

Question 10

This database type has clustered instances

Answer 10

Aurora

Question 11

Aurora global gives you how many DBs in each region?

Answer 11

16

Question 12

How much time does it take for storage replication in Aurora Global?

Answer 12

less than a second

Question 13

RDS and Aurora have the same use cases but what does Aurora offer that is different?

Answer 13

Less maintenance
More flexibility
More performance
more features

Question 14

Which caching solution requires app code changes

Answer 14

ElastiCache

Question 15

SQL can be used with ElastiCache, True or False

Answer 15

False

Question 16

Serverless NoSQL database

Answer 16

DynamoDB

Question 17

DynamoDB read accelerator

Answer 17

DAX

Question 18

Document DB storage automatically grows in increments of how much

Answer 18

10gb

Question 19

DocumentDB is not a NoSQL database. True or False?

Answer 19

False

Question 20

This is a fully managed graph database

Answer 20

Neptune

Question 21

Neptune can be across how many az and how many read replicas

Answer 21

3
15

Question 22

What is QLDB

Answer 22

Quantum Ledger Database