AWS RDS-DYNAMODB Questions


1) Which of the following are SQL database engines?

Correct answer
MySQL, Amazon Aurora

Explanation
Amazon Aurora and MySQL are RDS/SQL database engines. DynamoDB is a NoSQL database offering, which are NOT SQL database engines.
2. What term describes the practice of using SSH to access a resource without a public IP address via a resource with a public IP address (inside of a VPC)?

Choose the correct answer:
SSH matching
SSH throughput
Port forwarding
SSH tunneling

Correct Answer: SSH tunneling
3) RDS stand for Relational Database Service.

Correct

Correct answer
True

4.Amazon Aurora offers free tier usage.

Choose the correct answer:
True
False

Correct Answer: False

Explanation
There are free tier options available for all other RDS engines and DynamoDB, but not for Aurora.
5.Amazon RDS databases do not have a GUI in the AWS console.

Choose the correct answer:
True
False

Explanation
To access/use an RDS database, you need to log in to the database using third party SQL software.
6) What best describes the difference between RDS and DynamoDB?

RDS offers NoSQL databases and DynamoDB offers SQL databases.
RDS databases store data in tables using columns and rows, while DynamoDB stores data in JSON-like, name-value documents.
DynamoDB offers several different database engines, while RDS offers just one.
There is no difference.

Correct answer
RDS databases store data in tables using columns and rows, while DynamoDB stores data in JSON-like, name-value documents.

For best Linux Training, Try
Source: https://linuxacademy.com

Advertisements

Leave a Reply

Please log in using one of these methods to post your comment:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s