© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 1
Living in a Network
Centric World
Network Fundamentals – Chapter 1
2
© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Objectives
How networks impact our daily lives.
The role of data networking in the human network.
Identify the key components of any data network.
Identify the opportunities and challenges posed by
converged networks.
The characteristics of network architectures: fault
tolerance, scalability, quality of service and security.
Install and use Internet Relay Chat (IRC) clients and a
Wiki server.
3
© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
How Networks Impact Daily Life
The benefits of instantaneous communication and how
it supports and improves our lives.
.
•Check your bank balance
and pay bills electronically
•Receive and send e-mail,
or make an Internet phone
call,...
•Obtain health information
and nutritional advice from
experts all over the world,
and post to a forum to share
related health or treatment
information.
•Post and share your
photographs, home videos,
and experiences with friends
or with the world.
•...
4
© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
How Networks Impact Daily Life
The characteristics and purpose of popular
communication media such as, IM, Wikis , Blogs,
Podcasting, and Collaboration Tools
–Instant messaging
•Real time communication
between 2 or more
people based on typed text
–Weblogs (Blogs)
•Web pages created
by an individual
–Podcasting
•Website that contains
audio files available
for downloading
5
© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
E-learning:
Courses delivered using network or Internet
resources
Multiplied the resources available to students
many times over
Online courses can contain voice, data, and
video, and are available to the students at any time
from any place
Online discussion groups and message boards
enable a student to collaborate with the instructor, with
other students in the class, or even with students
across the world.
How Networks Impact Daily Life