IT Information Technology.
CIO
Chief Information Officer. A person at a high executive
level in a company responsible for IT in the company. System Administrators
and System Managers usually work under the CIO if a CIO position exists.
OS
Operating System. The most important program that runs on a
computer. Every general purpose computer must have an operating system
to run other programs. An OS performs basic tasks such as recognizing
input from the keyboard, sending output to the display screen, keeping
track of files on the disk and controlling devices connected the computer
such as disk drives and printers.
For large systems, the operating
system has even greater duties. It makes sure that different programs
and users running at the same time do not interfere with each other.
It is also responsible for security such as ensuring unauthorized users
do not access the system.
OSes provide a software platform
on top of which other programs called application programs can run.
Application programs must be written to run on top of a particular OS.
Users normally interact with
OS through a set of commands. Windows allows you to enter commands by
pointing and clicking at objects that appear on the screen.
Unix
a multi-user OS developed at Bell Labs in the 1970s. Many different
versions of Unix exist today.
Linux a Unix-based
operating system developed by Linus Torvalds. Because it is free and
can be run on many different platforms including PCs, Linux has become
an extremely popular alternative to proprietary OSes such as Windows.
Some vendors have packaged Linux with various features and offer support
for their version. Red Hat Linux is the most popular version of
Linux offered by the company of the same name Red Hat.
Online Training (OLT)
training courses done via the Internet. TCI sells online training
in the IT industry.
Computer Based Training
(CBT) refers to training courses done on a computer. It
can be courses installed on a persons computer or online training,
but with the advent of online training CBT now usually refers to courses
installed on a computer. Online training has taken on its own class
of training. A major advantage of OLT and CBT is course materials
can be updated and made available to students usually at no additional
cost to the student. OLT requires no downloading and the course
materials can immediately be made available to students, whereas CBT
would require a download or getting a new CD and reinstalling the course.
Classroom training
computer training referred to usually as training done at a school,
in many cases at a local community college. Classes are held with
a teacher who may or may not be very knowledgeable in what they are
teaching. Students must adhere to the class schedule. Online
training has the benefit of flexibility of scheduling as the student
can do the course any time. Our online training is usually more affordable
as well. Some people like the hands-on approach that classroom
training can offer. Our courses have hands-on labs as well where
the student must do the actual tasks being taught.
Instructor Led Training
(ILT)
Boot camp training
intense training done in a short period of time. The term is taken
from boot camp training for new military recruits.
CompTIA
Computing Technology Industry Association. The leading
association representing the international technology community.
Its goal is to provide a unified voice, global advocacy and leadership,
and to advance industry growth through standards, professional competence,
education and business solutions. CompTIA has developed certification
programs that are recognized industry standards for IT skills in key
technology areas.
ISC(2)
International Information Systems Security Certification Consortium.
An organization who establishes a common framework of information security
terms and principles which allows information security professionals
worldwide to discuss, debate, and resolve matters pertaining to the
profession with a common understanding. They also offer, among other
things, certifications in computer security, one of which is the Certified
Information Systems Security Professional (CISSP) for which we offer
a prep course.
Network a series
of points or connection points (such as computers and network routers)
interconnected by communication paths. Networks can connect with
other networks and contain sub-networks (a network within a network).
LAN
Local Area Network. A computer network that spans a relatively
small area mostly confined to a single building or a group of buildings.
The network allows users to share devices like printers and to share
information on computers within the network.
WAN
Wide Area Network. A computer network that spans a relatively
large geographical area. It typically consists of 2 or more LANs.
The largest WAN is the Internet.
Server
a computer or device on a network that manages network
resources. For example, a file server is a computer and storage
device dedicated to storing files. Any user on the network can store
files on the server. A print server is a computer that manages
one or more printers and a network server is a computer that manages
network traffic. A database server is a computer that processes
database queries.
Client
the client part of a client-server architecture.
A client is an application that runs on a personal computer or workstation
and relies on a server to perform some operations. For example,
an email client is an application that enables you to send and receive
email.
Router a device
that forwards data packets along networks. A router is connected
to at least 2 networks.
Cisco the recognized
leader in networking hardware and software. Cisco has their own
certification programs.
MCSE
Microsoft Certified System Engineer.
The highest level of certification given by Microsoft to individuals
who work on the Microsoft Windows operating systems. It consists of
obtaining 7 MCP (Microsoft Certified Professional) certificates.
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