Web Services 4

Question 1

REST

Answer 1

• REST is a design pattern.
• It is a certain approach to creating Web Services.

Question 2

Three fundamental Aspects of REST Design Pattern

Answer 2

1. Resources
2. URL Identify Resource
3. Simple Operation

Question 3

Resources

Answer 3

every identity has unique resource (Websute, HT’ML page, XMML(

Question 4

URL Identify Resource

Answer 4

Every source is uniquely identified by URL
(Tim-Burner’s Lee Web Design)

Question 5

Two Fundamental Aspects of the REST Design Pattern

Answer 5

1. Resources
2. URLs Identify Resources

Question 6

Cloud Computing

Answer 6

• Internet-based computing
• large groups of remote servers are networked
• sharing of data-processing tasks, centralized data storage, computer services and resources
• Any computer related task that is done entirely on Internet
• Allows users to deal with the software without having the hardware.
  Everything is done by remote, nothing is saved locally.

Question 7

Cloud Computing Components

Answer 7

1. application
2. platform
3. infrastructure

Question 8

Characteristics of cloud computing

Answer 8

1. Empowerment
2. Agility and API
3. Cost and Security
4. Device and location independence
5. Visualization
6. Multi-tenancy
7. Reliability and Maintenance
8. Scalability and Elasticity

Question 9

Service Models in Colud Computing

Answer 9

1. Infrastructure as Service
2. Platform as Service
3. SOftware as service

Question 10

Infrastructure as a Service (IaaS)

Answer 10

Basic, service users maintain software

Question 11

Platform as a Service (PaaS)

Answer 11

Users are given software and hardware automatically

Question 12

Software as a Service (SaaS)

Answer 12

• All software and hardware is transparent
• User only knows their own access point

Question 13

Deployment Models

Answer 13

1. public cloud
2. community cloud
3. private cloud
4. hybrid cloud
5. private cloud rental

Question 14

Public cloud

Answer 14

Done by service providers

Question 15

Community cloud

Answer 15

organizations from a specific community with common concerns

Question 16

Private cloud

Answer 16

operated solely for a single organization

Question 17

Hybrid cloud

Answer 17

composition of two or more clouds (private, community or public)

Question 19

Private Cloud Rentals

Answer 19

option to consider when security is a concern

Question 20

The software systems involved in the delivery, communicating over a loose coupling mechanism

Answer 20

Architecture

Question 21

The Inter-cloud

Answer 21

interconnected global “cloud of clouds” and an extension of the Internet

Question 22

Cloud Engineering

Answer 22

The application of engineering disciplines to cloud computing

Question 23

High level concerns in Cloud Engineering

Answer 23

1. commercialization
2. standardization

Question 24

Governance in cloud engineering

Answer 24

1. operating
2. maintaining
3. conceiving
4. developing

Question 25

Security and privacy in cloud computing

Answer 25

1. physical control 2. data protection 3. identity management 4. physical and personnel security 5. availability 6. application security 7. privacy 8. legal issues

Question 26

Cloud Clients

Answer 26

1. google chromebook 2. web browsers 3. company specific applications

Question 27

Advantages of cloud engineering

Answer 27

1. cloud everyday use 2. to save huge amount of data 3. easier to maintain information 4. makes security easy 5. maintainability and sustainability are better