Cloud Computing Revision No 4

Which cloud characteristic lets staff spin up a virtual server themselves without raising an IT ticket?

• Ubiquitous access

• On-demand self-service

• Chargeback

• Cold-aisle cooling

“Measured service” means the provider can:

• Count each unit of use for accurate billing

• Guarantee zero cost

• Block network attacks

• Supply office furniture

A community cloud is most suitable when different organisations share:

• A legal requirement or mission

• One open-plan office

• Home broadband

• A vending machine

Running payroll on-premises but bursting e-commerce traffic into the public cloud illustrates a:

• Public model

• Private model

• Hybrid model

• Locked-in model

The syllabus lists “ubiquitous access” as the benefit that users can reach services from:

• Only the head office

• Any internet-enabled location

• Midnight to 6 a.m. only

• Hard-wired LANs only

Moving IT spend from CapEx to OpEx mainly helps cash flow by:

• Spreading costs over time

• Increasing tax bills

• Raising electricity use

• Slowing deployment

Internal “chargeback” makes business units pay for cloud resources based on:

• How loud they complain

• Their actual consumption

• Staff head-count

• Office size

Which service model in the spec covers cloud-based voice and chat tools?

• IaaS

• CaaS

• PaaS

• SaaS

Heroku, where developers push code but ignore the operating system, is an example of:

• SaaS

• IaaS

• PaaS

• CaaS

Microsoft OneDrive for Business is classed as:

• IaaS

• SaaS

• PaaS

• CaaS