Analytics / App Integration / Database / Storage

Question 1

Amazon Athena

Answer 1

Query service that analyzes semi-structured and structured data (CSV, JSON, etc) from S3 using standard SQL queries. Is a serverless service and pay only for the queries. Is integrated aout-of-the-box with Amazon Glue data catalog.

Question 2

Amazon EMR stands for:

Answer 2

Elastic Map Reduce.

Question 3

Amazon Kinesis 4 versions

Answer 3

Video Strams, Data Streams, Firehose and Data Analytics

Question 4

Sources from Kinesis Video Streams are:

Answer 4

Smartphines, Security Cams, Webcams, Cars, Drones, and Industrial Sources.

Question 5

Whats can be done with Kinesis Data Streams

Answer 5

Collect large and process streams of records in REAL TIME.

Question 6

What is the DIFF between Data Streams and Firehose?

Answer 6

Firehose is ONLY used to deliver data to another AWS services such as S3, Redshift, OpenSearch, Splunk, etc. It can Also TRANSFORM data befor delivering it.

Question 7

Which LANGUAGE does Kinesis Data Analitycs supports

Answer 7

SQL

Question 8

What service Amazon OpenSearch Services replaces?

Answer 8

ElasticSearch

Question 9

What is Amazon QuickSight?

Answer 9

Its a BI service. Can build dashboards, connect data and its a managed service. Something similar to PowerBI or Tableau

Question 10

What is Amazon AppFlow used for?

Answer 10

Transfer data from SaaS into AWS. Sources can be Saleforce, Slack, Zendesk and many more.

Question 11

Whats service does Amazon EventBridge replaces?

Answer 11

Amazon CloudWatch Events

Question 12

What is the AWS event bus?

Answer 12

Amazon EventBridge (CloudWatch Events)

Question 13

What is the EventBridge workflow?

Answer 13

Recieves an EVENT > applies a RULE > trigger and action to a TARGET.

Question 14

Which engines does RDS supports?

Answer 14

MariaDB, SQL Server, MySQL, Oracle and PostgreSQL

Question 15

Top differences between Aurora and RDS

Answer 15

RDS have a 99.95 SLA, but AURORA hava 99.99
RDS supports up to 5 recplicas, while AURORA up to 15
RDS does NOT support automatically failover, while AURORA does

Question 16

When is recommended to use AURORA Serverless

Answer 16

Variable workloads,
Multi-tenant apps,
New Apps,
Mixed-use Apps,
Capacity planning,
Development and testing

Question 17

What service can you use to MIGRATE a NoSQL database?

Answer 17

AWS Database Migration Service

Question 18

Whats is the AWS implementation of MongoDB?

Answer 18

DocumentDB

Question 19

What is the caching service for DynamoDB

Answer 19

DynamoDB Accelerator (DAX

Question 20

Whats the diff between DocumentDB and DynamoDB

Answer 20

DocumentDB is the “middleground” between Mongo and Dynamo, both are Managed Services.

Question 21

What engines does Amazon ElastiCache supports?

Answer 21

Redis and Memcached

Question 22

Whats is MemoryDB used for?

Answer 22

Both in-memory performance and Multi-AZ durability, MemoryDB can be used as a high-performance primary database for your microservices applications, eliminating the need to separately manage both a cache and durable database.

Question 23

What is AWS redshift used for?

Answer 23

Data warehouse

Question 24

What service is used to centralize the backup management across AWS?

Answer 24

AWS Backups

Question 25

What types of disk can yo have on EBS?

Answer 25

General Porpurse, Provisioned IOPS SSD, Throughtput Optimized Volumes, Cold HDD

Question 26

________________________ minimizes downtime and data loss with fast, reliable recovery of on-premises and cloud-based applications using affordable storage, minimal compute, and point-in-time recovery.

Answer 26

AWS Elastic Disaster Recovery (AWS DRS)

Question 27

Which services you can use EFS with?

Answer 27

EC2, AWS Lambda, Amazon ECS, Amazon EKS and other AWS compute instances, or with on-premises servers.

Question 28

EFS 4 storage classes are:

Answer 28

EFS Standard, EFS Standard-Infrequent Access, EFS One Zone, EFS One Zone-IA

Question 29

What options FSx comes with?

Answer 29

FSx For Lustre, FSx for NetAPP ONTAP, FSx for OpenZFS, FSx for Windows File Server, Amazon File Cache

Question 30

S3 storage classes are:

Answer 30

Standard, Intelligent-Tiering, Standard-IA, One Zone-IA, Glacier Intant Retrival, Glacier Flexible Retrival (Formerly S3 Glacier), Glacier Deep Archive (12 hours retrival), S3 Outposts (S3 deployed in on-premises)

Question 31

____________________________ is a service that connects an on-premises software appliance with cloud-based storage to provide seamless and secure integration between your on-premises IT environment and the AWS storage infrastructure in the AWS Cloud.

Answer 31

AWS Storage Gateway

Question 32

The AWS Storage Gateway types are:

Answer 32

S3, FSx, Tape, Volume