AWS DocumentDB (MongoDB)

Question 1

What is a collection?

Answer 1

It is like a table.

Question 2

What is a document?

Answer 2

It’s like an item or row

Question 3

What is the column?

Answer 3

It’s like a filed or attribute

Question 4

What is an index?

Answer 4

It’s like an index

Question 5

What is an object ID?

Answer 5

It like a primary index

Question 6

Is DocumentDB a cluster or a fully managed service?

Answer 6

DocumentDB is created as a cluster.

Question 7

What opensource DB is DocumentDB?

Answer 7

MongoDB

Question 8

What is the DocumentDB AWS architecture?

Answer 8

DocumentDB (Mondo) is deployed as a cluster in one or more AZs. There is a primary and replica, l=like aurora. DocumetDB uses shared storage like Aurora.

Question 9

What is DocuemntDB’s backup architecture?

Answer 9

Like Aurora, backups are taken where both a snapshot and logs are stored to s3. You cna recover from any point in time.

Question 10

I have an RPO for 10min, is DocumentDB automatic backup going to be able to help?

Answer 10

The recovery of a database can happen locally using a feature called backtrack, this is where you can go back in time.

Question 11

My org requires that all data at rest be encrypted, what options do I have?

Answer 11

Encryption is not enabled by default, you have to configure it. SSE for both AWS managed keys and client managed keys are supported through KMS.

Question 12

I wnat to be able to get access to the native logs for DocumentDB, what is my best option?

Answer 12

You can configure DocumentDB to export the logs to CloudWatch.