Virtualization and Cloud Computing

The cloud provider provides access to services, such as email, calendar, communication, and office tools over the Internet on a subscription basis. Users access the software using a browser. Advantages include minimal upfront costs for customers and immediate application availability.

Example of these include Salesforce customer management relationship (CRM) software, Microsoft Office 365, MS SharePoint software, and Google G Suite.

• Infrastructure as a Service (IaaS)

• Platform as a Service (PaaS)

• Software as a Service (SaaS)

The cloud provider provides access to operating systems, development tools, programming languages, and libraries used to develop, test, and deliver applications. This is useful to application developers. The cloud provider manages the underlying network, servers, and cloud infrastructure.

Examples include Amazon Web Service, Oracle Cloud, Google Cloud Platform and Microsoft Azure.

• Infrastructure as a Service (IaaS)

• Platform as a Service (PaaS)

• Software as a Service (SaaS)

The cloud provider manages the network and provides organizations access to network equipment, virtualized network services, storage, software, and supporting network infrastructure.

Organizations do not need to invest in capital equipment and only pay for usage on-demand. The provider network includes redundancy and eliminates a single point of failure in the provider network infrastructure. The network can also scale seamlessly based on current requirements.

Examples include Amazon Web Service, DigitalOcean, and Microsoft Azure.

• Infrastructure as a Service (IaaS)

• Platform as a Service (PaaS)

• Software as a Service (SaaS)

Cloud Computing Characteristics are (tick all that apply)

• On-demand (self-service)

• Broad network access

• Rapid elasticity

• Resource pooling

• Measured and metered service

A research and development group has members from different company locations. The group is looking for a central file storage solution to store research-related documents. What are two possible solutions? (Choose two.)

• Virtual Desktop

• Gmail

• OneDrive

• Exchange Online

• Google Drive

A college is exploring options to outsource the student email service to a cloud provider. Which two solutions will help the college to achieve the task? (Choose two.)

• Virtual Desktop

• Gmail

• OneDrive

• Exchange Online

• Dropbox

What is a characteristic of a virtual machine on a PC?

• A virtual machine runs its own operating system.

• A virtual machine needs a physical network adapter to connect to the Internet.

• The number of virtual machines that can be made available depends on the software resources of the host machine.

• A virtual machine is not susceptible to threats and malicious attacks.

To which category of hypervisor does the Microsoft Virtual PC and VMware belong?

• Type 1

• Type 2

• Type 4

• Type 3

Which term is associated with Cloud computing?

• wireless

• teleworkers

• virtualization

• tall servers

What is the difference between a data centre and cloud computing?

• The data centre makes use of more devices to process data.

• Of the two, only cloud computing is located off-site.

• Cloud computing provides access to shared computing resources, while a data centre is a facility that stores and processes data.

• Data centres require cloud computing but cloud computing does not require data centers.

• There is no difference. These terms can be used interchangeably.