Databases (RDS, DynamoDB, ElastiCache, Neptune) Flashcards

1
Q

Which two caching engines are supported by ElastiCache?

A

a) Memcached

b) Redis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

AWS recommends that you use an ElastiCache Redis cluster in which situation?

A

To handle highly read-intensive applications

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the maximum number of indexes that can be created for a DynamoDB table?

A

10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the maximum DynamoDB element size?

A

400 KB

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which ElastiCache engine supports Multi-AZ failover?

A

Redis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the three document formats supported by DynamoDB?

A

JSON, HTML, and XML

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the API call to retrieve multiple items from a DynamoDB table?

A

BatchGetItem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly