AWS Module 8 Flashcards
Which of the following is an in-memory type of database?
- Elasticache
- DynamoDB
- Redshift
- Aurora
Elasticache
Which of the following should be used if you need massive read and write rates and sharing of high data size?
- Aurora
- Redshift
- Oracle
- MySQL
Redshift
Which of the following is best used for a company to combine many different database systems?
- Amazon Aurora
- Amazon Redshift
- Amazon DynamoDB
- Amazon RDS
Amazon Redshift
Where should one place their primary Amazon RDS instance?
- public subnet
- private subnet
- private region
- private AZ
private subnet
Running a database on an EC2 instance is considered which of the following:
- SaaS
- PaaS
- DaaS
- IaaS
IaaS
Why is Aurora better than other database options?
- because it has designed for the cloud
- because it is cloud compatible
- because it has higher license costs
- because it is a data warehouse
because it has designed for the cloud
Using RDS, which of the following does the customer need to focus on?
- high availability
- scaling
- database software installation and patches
- application optimization
application optimization
AWS DynamoDB provide low-latency transactions.
True
False
True
AWS RDS supports nearly every type of database available.
True
False
True
Which of the following is an ideal case for DynamoDB?
- VLANs
- VPNs
- AI
- IoT
IoT
Using RDS who is responsible for patching and managing the DB that is used by an organization?
- end customer
- both customer and AWS
- ISP
- AWS
AWS
High availability in RDS makes use of which of the following:
- multiple Servers
- multiple Datacenters
- multiple Regions
- multiple availability zones
multiple availability zones
When creating RDS in a multi-AZ environment you only pay for a single AZ instance cost.
True
False
False
Database services in AWS BEST fall into which 2 categories:
- structured and unstructured
- relational and unrelational
- managed and unmanaged
- low cost and high cost
managed and unmanaged
Which of the following is Amazon’s own Enterprise database?
- Redshift
- Oracle
- MS SQL
- Aurora
Aurora
If you run RDS in 3 AZs, how many db instances do you need?
- 2
- 3
- 4
- 5
3
Where should the RDS instance be located?
- private subnet
- public subnet
- in the VPC
- in the AZ
private subnet
Which of the following most closely resembles SaaS?
- Aurora
- RDS
- MS SQL
- Redshift
Redshift
The name of Amazon’s own Enterprise database solution is Redshift.
True
False
False
Read replicas can be used in which of the following cases:
- purchasing a plane ticket
- searching for a plane ticket
- making a reservation
- purchasing a product
searching for a plane ticket
How are Multi-AZ RDS instances charged?
- charged for single AZ compute and storage
- charged for compute only
- charged for storage only
- charged for multiple AZ instances and their storage
charged for multiple AZ instances and their storage
Which of the following does RDS not support?
- Oracle
- MySQL
- MariaDB
- Redshift
- PostgreSQL
Redshift
Which of the following is a fast noSQL database?
DynamoDB
NoSQL
MySQL
PostgreSQL
DynamoDB
What type of Database helps support the main database with heavy transactions?
- backup databases
- read replicas
- synchronous databases
- multi-AZ databases
read replicas
