F2

Question 1

What are the characteristics of cloud computing?

Answer 1

• Service-Based IT-resources
• On-Demand Self-Service
• Ubiquitous Access
• Multitenancy
• Location independence
• Rapid Elasticity
• Pay-per-use Billing

Question 2

Explain the characteristic Service-Based IT-resouces

Answer 2

Cloud resources can be accessed or provisioned without human interaction. With this model, consumers can gain immediate access to cloud services upon signup

Question 3

Explain the characteristic On-Demand Self-Service

Answer 3

Cloud services are on-demand; that is, service users can request services independently and almost immediately depending on their requirements, without interacting with the service provider

Question 4

Explain the characteristic Ubiquitous Access

Answer 4

Cloud services are provided via a broadband network, mostly using the Internet. Consequently, cloud customers can access any cloud service from any platform or device at any time

Question 5

Explain the characteristic Multitenancy

Answer 5

Multitenancy is the ability to have multiple customers use the shared resources

Question 6

Explain the characteristic Location Independence

Answer 6

When using cloud services, the cloud customer generally has no control over or knowledge of where the provided resources are actually located

Question 7

Explain the characteristic Rapid Elasticity

Answer 7

Provisioned cloud resources can be adapted and shared more flexibly, in some cases fully automatically, in order to match the resources to the current needs

Question 8

Explain the characteristic Pay-Per-Use Billing

Answer 8

Cloud customers are charged for the amount of time they actually use the resource or related measures.

Question 9

What’s a cloud customer?

Answer 9

A person or organization that maintains a business relationship with and uses the service a Cloud provider offers

Question 10

What’s a Cloud provider?

Answer 10

A legal person or organization responsible for making a
cloud service available to interested parties

Question 11

What are Cloud Data Centre Operators?

Answer 11

They provide the IT infrastructure (server rooms, power supply blablabla)

Question 12

What are cloud auditors?

Answer 12

They perform independent assessments to determine whether a cloud service fulfills given requirements

Question 13

What are cloud brokers?

Answer 13

They manage the use, performance and delivery of cloud services. They also negotiates the relationships between cloud providers and cloud customers. They provide service in 3 categories:
- Service Intermediation
- Service Aggregation
- Service Arbitrage

Question 14

What are the 3 Cloud service models?

Answer 14

-Infrastructure as a Service
-Platform as a Service
-Software as a Service

Question 15

What are the four deployment models?

Answer 15

• Private: Used by single organization and its members
• Public: Distribute cloud across multiple organizations
• Community: Exclusively by specific community. Used by The community members, third party of combo of both
• Hybrid: Consists of two or more of the above mentioned models

Question 16

What’s the difference between Outsourcing and Cloud Computing?

Answer 16

Cloud computing is an evolution and a specific form of IT outsourcing. Thus, it shares common characteristics and provides similar benefits to customers. ??????

Question 17

What’s Decoupling when talking about Transformative Mechanisms?

Answer 17

When one element of a system becomes an independent service with service interface so internal changes in the service will effect other elements

Question 18

What’s Platformization when talking about Transformative Mechanisms?

Answer 18

When an entity creates access and interaction points around services within an ecosystem

Question 19

What’s Recombination when talking about Transformative Mechanisms?

Answer 19

Generating innovation potential by combining cloud services and integrating them with other transformative technologies

Question 20

What are some Risks and challenges with cloud computing?

Answer 20

• Multi-tenancy
• Loss of Control
• Location Transparency
• Lack of Availability
• Compromised Ease of Use
• Vendor Lock-In
• Limited Service Continuity

Question 21

What are some challenges regarding SECURITY and PRIVACY of cloud computing?

Answer 21

• Communication Issues
• Data Breaches
• Data Loss
• Data Scavenging
• Insufficient Identity, Credentials, and Access Management
• Insecure Interfaces and APIs
• System Vulnerabilities
• Shared Technology Vulnerabilities

Question 22

What are the differences between Cloud- and Edge-computing?

Answer 22

The services in Edge are located in the Edge network whereas the services in Cloud are located within the internet.
Cloud has high latency due to longer distance.
Cloud has higher jitter
Edge is location-aware and supports mobility
Edge uses distributed servers and Cloud uses centralized
Target users for Cloud are “regular” internet users and for edge it is service subscribers.
Edge hardware is less scalable due to hardware limitations

Question 23

What’s fog computing?

Answer 23

Subset of edge computing, introduces hierarchical structure which extends clouds capabilities into the edge of the network.

ENABLES localized processing

Question 24

What is Mobile Edge Computing?

Answer 24

It’s a form of edge computing for mobile network where the computing resources are deployed typically at the base stations or cell towers. This allows low-latency processing and improved performance.

Question 25

What is application service provision and how does it compare to cloud computing?

Answer 25

Application Service Provision is a form of outsourcing where firms rent packaged software from a third party. In cloud computing, SaaS is the closest corresponding

Question 26

What’s the vision of Grid Computing?

Answer 26

To reduce costs, increase reliability and flexibility

Question 27

Data centre technologies is one of 3 cloud technologies, what are the other two?

Answer 27

Virtualization Techniques
Multi-tenant techniques

Question 28

What is the “The process where one entity creates access and interaction points around code bundle of services within eco-systems of customers, complementors and stakeholders”

Answer 28

Platformization (Transformative technology)

Question 29

What is “The process where innovation potential is generated by combining cloud services and integrating them with other transformative technologies within platform ecosystems”

Answer 29

Recombination (Transformative technology)