5 - Storage And Databases

Question 1

Elastic block storage (EBS)

Answer 1

Single AZ, virtual hard drive not tied to host

Question 2

Simple storage service (S3)

Answer 2

Unlimited data, 5 TB

Infrequent access - rapid access, long term storage
Glacier - archive, not quick retrieval

Question 3

Elastic file system (EFS)

Answer 3

Managed file system, regional resources, auto scale

Question 4

Relational database service (RDS)

Answer 4

Relationship between data, SQL

Aurora - cost effective, continuous backup, recovery

Question 5

Dynamo DB

Answer 5

Serverless, stored across multiple AZs, millisecond response, query based on keys

Question 6

Redshift

Answer 6

Data warehouse

Question 7

Database migration service

Answer 7

Help customers migrate, don’t need to be the same type

Question 8

Document DB

Answer 8

Catalogues

Question 9

Neptune

Answer 9

Fraud detection

Question 10

Quantum ledger database (QLDB)

Answer 10

Review complete history of all changes

Question 11

EMR

Answer 11

Big data on EC2 and S3, no additional config required

Question 12

Athena

Answer 12

Serverless, query data stored in S3, data lake, SQL, charged on data scanned

Question 13

Quick sight

Answer 13

BI tool with dashboards based on data, per user and per session pricing

Question 14

Cloud search

Answer 14

Support scaling, charged per hour and instance type of search

Question 15

Recognition

Answer 15

Machine learning to identify objects in images, facial analysis

Question 16

Translate

Answer 16

One language to another, 54 languages, batch and real time

Question 17

Transcribe

Answer 17

Speech to text, batch and real time, 31 languages

Question 18

Glue

Answer 18

Managed extract, transform and load service

Question 19

Data sync

Answer 19

Automated data transfer service, charged per GB transferred

Question 20

Storage gateway

Answer 20

Hybrid cloud storage service, deployed at VM, integrated with S3 and EBS