CompTIA exam study guide presentations by instructor Brian Ferrill, PACE-IT (Progressive, Accelerated Certifications for Employment in Information Technology) "Funded by the Department of Labor, Employment and Training Administration, Grant #TC-23745-12-60-A-53" Learn more about the PACE-IT Online program: www.edcc.edu/pace-it

1. Cloud concepts.

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Instructor, PACE-IT Program – Edmonds Community College
Areas of Expertise Industry Certifications
 PC Hardware
 Network Administration
 IT Project Management
 Network Design
 User Training
 IT Troubleshooting
Qualifications Summary
Education
 M.B.A., IT Management, Western Governor’s University
 B.S., IT Security, Western Governor’s University
Entrepreneur, executive leader, and proven manger
with 10+ years of experience turning complex issues
into efficient and effective solutions.
Strengths include developing and mentoring diverse
workforces, improving processes, analyzing
business needs and creating the solutions
required— with a focus on technology.

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– Cloud classifications.
– Types of cloud computing.
PACE-IT.

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Cloud concepts.

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Cloud computing is where
the resources on the network
are not actually physical in
nature. They are provided to
the user virtually.
This can lead to a very fluid and dynamic environment, as
required resources are normally only provisioned as needed
and are decommissioned once their use is completed.
Most often, these virtual resources are not owned by the
company that uses them, but are provided by a service
provider.
While cloud computing is highly configurable and
changeable, it does have some basic structures that are
used in the classification of the type of cloud that is in use.
Cloud concepts.

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– Public cloud.
» Systems can interact with services and devices within the
public cloud and on public networks (e.g., the Internet) and
possibly other public clouds.
– Private cloud.
» Systems only communicate with services and devices within
the specified private cloud.
– Hybrid cloud.
» Combines aspects of both the public and private clouds.
– Community cloud.
» Cloud services used by private individuals, organizations, or
groups that have a common interest.
Cloud concepts.

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Cloud concepts.

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Because of the nature of
cloud computing, it is very
configurable to the needs
and desires of the purchaser.
Purchasers have many options beyond the type of
cloud services (e.g., public or private) that they want
to provision. They must also determine what type of
service they are going to require—from the most
basic to the highly complex (e.g., SaaS or PaaS).
Cloud concepts.

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– Software as a service (SaaS).
» The end user purchases the rights to use an application
(software) without the need to configure the virtual servers that
will deliver the application.
• It is usually delivered as a Web application (opened and used
from within a Web browser).
– Platform as a service (PaaS).
» The user is provided with a development platform for the
creation of software packages, without the need to configure
the virtual servers and infrastructure that delivers it.
– Infrastructure as a service (IaaS).
» The end user is provided with access to virtual servers
(configurable by the customer) and other virtual network
resources.
• Creates a highly configurable environment in which customers
can create the resources and performance that they require.
• The end user supplies the software that is going to be used on
the IaaS network.
Cloud concepts.

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It is not uncommon for the
type of cloud computing
being utilized by an
organization to be a mix.
Some departments may use IaaS, while a
development team utilizes a PaaS only. Part of the
advantage of cloud computing is only initializing
resources as they are needed.
In a private cloud situation, it is possible for the
organization that is using it to actually own the cloud
resources. If they do own the cloud resources, they
may have it on site, or they may pay to have the
resources hosted off site.
Cloud concepts.

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Cloud computing can be a
great method of conserving
company resources, but it
also has several security
considerations.
When using hosting services, there is always the need to
consider confidentiality. When the resources are out of the
physical control of the company, it may be difficult control
access to those resources. In some situations—such as
when a law requires a company to maintain physical control
of the resources—cloud computing may be unacceptable.
In addition to the physical control, there is also the problem
of reliability and availability. The purchaser is having to rely
upon the hosting service’s ability to maintain system uptime
and availability.
Cloud concepts.
Always perform due diligence research to ensure that the
cloud provider is both reputable and reliable. As part of the
research, it is also important to evaluate whether or not the
resource is appropriate to be hosted (e.g., the owner is not
required to maintain physical control of it).

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Cloud concepts.
The use of cloud computing means that network resources are provided
virtually instead of physically. This can lead to a very dynamic and fluid
computing environment. The type of cloud deployed can be classified in one
of four ways: public, private, hybrid, or community.
Topic
Cloud classifications.
Summary
The highly configurable nature of cloud computing has led to several
different types of cloud computing. In SaaS, only a software package is
provided (usually run from within a Web browser). PaaS provides a
development platform that is usually used in the creation of software
packages. With IaaS, the user configures the virtual network resources that
will be used—from virtual servers to the software packages. Cloud
computing does raise some issues with security, mainly concerning
controlling who has access to the resources, reliability, and availability.
Always research the options for the appropriateness of the solution.
Types of cloud computing.

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THANK YOU!

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