Unit 1 exam

Question 1

what is data?

Answer 1

A collection of facts

Question 2

Information

Answer 2

Data + Context

Question 3

Knowledge

Answer 3

Information + Goal

Question 4

What is a computer?

Answer 4

A device that manipulates data; stored as a binary language

Question 5

Parts of the computer

Answer 5

1) Hardware - Anything with a physical infrastructure

2) Software- Set instructions on how the hardware should preform certain tasks

Question 6

What is a website?

Answer 6

A page that share the same domain name

Question 7

3 components every computer consist of:

Answer 7

1) Cpu - Central Processing Unit: Involved in all the automatic and logical oppressions

2)RAM - Random Access Memory: Data is stored short- term; temporary stores information while system is active.

3) Storage - When data is permanently stored of the system

Question 8

What is Database?

Answer 8

Systematic collection of date; makes date management easy in the form of tables

Question 9

What is a server?

Answer 9

When the computer hosts the website and database

Question 10

Explain the idea of client server architecture:

Answer 10

1) A computing model in which multiple components work together to communicate.

2) Hosts and delivers and manages resources and services to be consumed by the client.

3) Works when the client computer sends a resource or process request to the server over the network connection.

Question 11

What is Cloud Computing ?

Question 12

4 types of Clouds

Answer 12

1) Public
2) Private
3) Hybrid
4) Community

Question 13

What is the benefit of cloud?

Answer 13

Using cloud makes it easier for companies and their owners to access & manage resources/ infractures globally

Question 14

Describe a Public Cloud

Answer 14

*Open to all to access storage, resources, data etc

*No limit to the number of users
Lower cost and attainable via general people

*Less secured

Question 15

Describe a Private Cloud

Answer 15

• Also known as the internal Cloud

*Used by organizations to manage their own data centers internally or by a 3rd party

• High level of security is their first priority

*Organizations have full control of the cloud

Question 16

Describe a Hybrid Cloud

Answer 16

*A combination of Public + Private clouds

*Partially secured

*Helps the owner of companies to sell new services quickly

*Managing a hybrid cloud can get complex

Question 17

Describe a Community Cloud

Answer 17

*Can only be used by a group of organizations that share information among each other

*Always cost effective because it is shared among many companies

*Not as secured as private cloud

Question 18

Parts of the Service Model: (Offerings)

Answer 18

1) Software as a service; SAAS
2) Platform as a service; PASS
3) Infrastructure as a service; IAAS

Question 19

Describe SAAS

Answer 19

Consume:
As individuals, we can only use it for the service the infrastructure provides.

*We don’t have the power to change, add or delete anything.

Question 20

Describe PASS

Answer 20

Build on it:
As individuals, we have the ability to develop, run and edit the infracture given to us.

Responsible to write/run codes and report it to AWS,Google,Azure etc

Question 21

Describe IASS

Answer 21

Migrate to it:
As individuals, have full control of code and infracture that run your application

Easy to step up and configure & resources are available as a service