File Chap 4 Part 3

Question 1

Utilizes the internet to provide customers with applications that are managed by the third-party provider. The software leverages the provider’s data storage and IT infrastructure.

Answer 1

Software as a service (SaaS)

Question 2

Provides customers a platform for software development that is delivered remotely. Developers have access to maintained operating systems, servers, storage, and networks and focus on design and building of application software.

Answer 2

Platform as a service (PaaS)

Question 3

Provides customers with fully self-service computers, networking, storage, and operating systems through virtualized environments. Customers are responsible for managing all of their own operating systems, data, and applications.

Answer 3

Infrastructure as a service (IaaS)

Question 4

Risks:
Reliability
Privacy
Security

Answer 4

SaaS

Question 5

Advantages:
Anytime / Anywhere
Don’t own hardware / software thus reducing maintenance and updates
Lowers capital expenditures
Flexibility and scalability

Answer 5

SaaS

Question 6

A centralized network has one central location with systems that all connect to it

Answer 6

Centralized

Question 7

A decentralized network has multiple location connected to central site to which aggregated data is sent

Answer 7

Decentralized

Question 8

A distributed system has no central location, and all data is communicated to all interconnected nodes

Answer 8

Distributed

Question 9

Advantages:
Easiest to set up
Better security on the central location
Data is easy to access for authorized user
Consistency in processing
Cost is lower, as there is only one center to maintain

Answer 9

Centralized System

Question 10

Disadvantages:
Risk of business disruption is greater since its central
The system may experience transaction bottleneck if the traffic is high
Users in other location may experience lag time for data access because of network and remote complications

Answer 10

Centralized System