Cloud services

Which of the following is a characteristic of cloud computing?

• It is typically based on web technology.
• It is typically based on open Internet technologies.
• It is cheaper compared to virtualization.
• It typically uses XML technologies

How does cloud computing improve business flexibility?

• Easier access by users from external locations. Faster deployment of applications. Rapid response to changing capacity. Rapid provisioning of resources.
• Increase hardware efficiency.
  Improve customer reliability
• It is cheaper compared to virtualization.
  Decreased security.
• Shorter contracts and less capital expense reduce expenses of the IT department

In cloud computing, how does a business benefit by the ability to scale resources on demand.

• Having a 3^rd party to manage service delivery allows the business to lower staffing costs.
• It is more cost effective to pay for resources used rather than having to pay for resources capable of meeting peak demand at all times.
• Fewer in-house servers reduce power costs in the business’ data center.
• Shorter contracts and less capital expense reduce expenses of the IT department.

Elastic computing is related to which of the following cloud characteristics?

• Security.
• Scalability.
• Integrity.
• Distribution.

Which of the following is not an essential characteristic of cloud computing?

• On-demand self-service.
• Resource pooling.
• Sustainability.
• Measured service.

Which of the following is an essential feature of virtualization?

• Security.
• Centralized logon.
• Shared hardware.
• High-speed networks.

Which of the following best describe virtualization?

• A method for organizing servers more efficiently to double the number of accessible users.
• A set of techniques for hiding software resources behind hardware abstractions.
• A set of techniques for hiding hardware resources behind software abstractions.
• A method for structuring data more efficiently at less cost to the user.

Which of the following is not an example of cloud computing?

• A company is going to activate hosted servers automatically to handle extra processing requirement as needed.
• A company is going to consolidate 5 web servers on to a single physical server based at it datacenter.
• The company’s staff will access its hosted CRM application via their web browsers.
• A method for structuring data more efficiently at less cost to the user.

Which of the following is a private cloud application?

• An application for external use only, on company-owned systems.
• An application for external use only, on a public cloud system.
• An application for internal use only, on company-owned systems.
• An application for internal use only, on a public cloud system.

Which of the following distinguishes private from public cloud services?

• Private cloud services are never accessible via the Internet.
• Private cloud services do not provide scalability.
• Private cloud services are dedicated for the use of one organization.
• Private cloud services are more economical than public cloud services.