Web Services 4 Flashcards
1
Q
REST
A
- REST is a design pattern.
- It is a certain approach to creating Web Services.
2
Q
Three fundamental Aspects of REST Design Pattern
A
- Resources
- URL Identify Resource
- Simple Operation
3
Q
Resources
A
every identity has unique resource (Websute, HT’ML page, XMML(
4
Q
URL Identify Resource
A
Every source is uniquely identified by URL
(Tim-Burner’s Lee Web Design)
5
Q
Two Fundamental Aspects of the REST Design Pattern
A
- Resources
- URLs Identify Resources
6
Q
Cloud Computing
A
- 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.
7
Q
Cloud Computing Components
A
- application
- platform
- infrastructure
8
Q
Characteristics of cloud computing
A
- Empowerment
- Agility and API
- Cost and Security
- Device and location independence
- Visualization
- Multi-tenancy
- Reliability and Maintenance
- Scalability and Elasticity
9
Q
Service Models in Colud Computing
A
- Infrastructure as Service
- Platform as Service
- SOftware as service
10
Q
Infrastructure as a Service (IaaS)
A
Basic, service users maintain software
11
Q
Platform as a Service (PaaS)
A
Users are given software and hardware automatically
12
Q
Software as a Service (SaaS)
A
- All software and hardware is transparent
- User only knows their own access point
13
Q
Deployment Models
A
- public cloud
- community cloud
- private cloud
- hybrid cloud
- private cloud rental
14
Q
Public cloud
A
Done by service providers
15
Q
Community cloud
A
organizations from a specific community with common concerns
