Foundations of cloud computing

Question 1

What is cloud

Answer 1

Server(s) that are online reachable

Question 2

What is Cloud computing

Answer 2

delivery of computing service over the internet. Instead of using own machine / datacenter use those of AWS

Question 3

Redshift, DataZone, Data Exchange belong to what category?

Answer 3

Analytics

Question 4

What are 4 services that belong to the AWS computer services?

Answer 4

1. EC2
2. Beanstalk
3. Lamda
4. Fargate

Question 5

Name 3 Network service

Answer 5

1. Route 53
2. VPC (virtual private cloud)
3. API Gateway

Question 6

What are 3 database services of AWS?

Answer 6

1. Aurora
2. Dynamo DB
3. RDS

Question 7

Name 3 Storage service

Answer 7

1. S3
2. File Cache
3. Block Store

Question 8

Name 3 management and governance services

Answer 8

1. Cloud Trail
2. Cloud watch
3. Trusted advisor

Question 9

What is capex

Answer 9

Upfront paid investment. Real life example a machineline to make cars.
Or buy several servers your self

Question 10

What is opex

Answer 10

Cost to run your operation. For example leasing costs, employees

Question 11

What are the 6 adventages of cloud computing?

Answer 11

1. go live in minutes
2. No data center spend
3. Use the (price)n scale benefits of aws
4. fast and agile
5. Elastic capacity
6. pay for what you use

Question 12

What are the 4 benefits of cloud computing?

Answer 12

1. High availabilty
2. elasticty (scale when u need more)
3. agility
4. durability

Question 13

What is IAAS?

Answer 13

Infra structure as a Service

example: the website that hosts your services

Question 14

What is Saas?

Answer 14

Software as a service

example: you personal email you use in webbrowser

Question 15

What is PaaS?

Answer 15

Platform as a service

example:
Shopify, build a store on someone else service

Question 16

What is private cloud?

Answer 16

Own cloud - your own data centers, no real cloud adventages

Question 17

What is Public cloud?

Answer 17

AWS, Azure, GCP

Question 18

What is hybride cloud?

Answer 18

Combination of private and public. Sensitive data is stored in a private cloud.

Question 19

A region is….. and has at least … AZ’s (availability zone’s)

Answer 19

Global, has => 2 availability zones

Question 20

An Availability zone (AZ) has … data centers?

Answer 20

Multiple =>2 data centers

Question 21

What are edge locations?

Answer 21

They don’t store data, they cache data for less latency. They place content closer to the data

Question 22

What is a local zone?

Answer 22

A local zone is an extension of a region. It enables services like real time gaming

Question 23

What are the 4 phases in the Cloud transformation Journey?

Answer 23

Envision -> align -> Launch -> Scale

Question 25

What is the benefit of using the CAF(Cloud Transformation Framework)?

Answer 25

There are multiple business perspectives all focussing on business risks. Like growing operational efficiency, improve ESG (Enviromental, Social, Governance)

Question 26

What is the root user?

Answer 26

User number one –> has ‘ god’-mode
The safety of thios login credentials should be really good

Question 27

Should u use the root user for regular login?

Answer 27

No, create a daily user, that can do most task