-
7/29/2019 1[1].NF Living in a Network Centric World WebEx
1/24
ITE PC v4.0
Chapter 1 1 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Disclaimer & Objectives
This is NOT to replace or duplicate ICG
This is NOT to certify you to teach a course
This is NOT to short cut your learning
Retooling Doing it in a structure manner
Instructor Development
Creating a collaborative community
john lim@cisco .c om
-
7/29/2019 1[1].NF Living in a Network Centric World WebEx
2/24
2007 Cisco Systems, Inc. All rights reserved. Cisco Public
ITE PC v4.0
Chapter 1 2
Living in a Network
Centric World
Network Fundamentals
Chapter 1
1.NF Living in a Network Centric World
John Lim
APJ Technical Manager
-
7/29/2019 1[1].NF Living in a Network Centric World WebEx
3/24
ITE PC v4.0
Chapter 1 3 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Objectives Describe how networks impact our daily lives.
Describe the role of data networking in the humannetwork.
Identify the key components of any data network.
Identify the opportunities and challenges posed byconverged networks.
Describe the characteristics of network architectures:
fault tolerance, scalability, quality of service andsecurity.
Install and use IRC clients and a Wiki server.
-
7/29/2019 1[1].NF Living in a Network Centric World WebEx
4/24
ITE PC v4.0
Chapter 1 4 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
How Networks Impact Daily Life Explain the benefits of instantaneous communication
and how it supports and improves our lives.
eMagazineTraffic camera
http://www.onemotoring.com.sg/publish/onemotoring/en.htmlhttp://www.zinio.com/nu01 -
7/29/2019 1[1].NF Living in a Network Centric World WebEx
5/24
ITE PC v4.0
Chapter 1 5 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
How Networks Impact Daily Life
Describe the characteristics and purpose of popularcommunication 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 individualPodcasting
Website that contains
audio files available
for downloading
-
7/29/2019 1[1].NF Living in a Network Centric World WebEx
6/24
ITE PC v4.0
Chapter 1 6 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
How Networks Impact Daily Life Explain ways that using information networks to share
and collaborate improves teaching and learning
World Fact Book
https://www.cia.gov/library/publications/the-world-factbook/docs/flagsoftheworld.html -
7/29/2019 1[1].NF Living in a Network Centric World WebEx
7/24ITE PC v4.0
Chapter 1 7 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
How Networks Impact Daily Life Describe ways communication over a network changes
the way we work
-
7/29/2019 1[1].NF Living in a Network Centric World WebEx
8/24ITE PC v4.0
Chapter 1 8 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
How Networks Impact Daily Life Describe ways communication over a network supports
the way we play
-
7/29/2019 1[1].NF Living in a Network Centric World WebEx
9/24ITE PC v4.0
Chapter 1 9 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Data Networking Role, Components, andChallenges
Basic characteristics of communicationRules or agreements are 1st established
Important information may need to be repeated
Various modes of communication may impact the
effectiveness of getting the message across.
-
7/29/2019 1[1].NF Living in a Network Centric World WebEx
10/24ITE PC v4.0
Chapter 1 10 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Data Networking Role, Components, andChallenges
Describe the role of data networking in communications
-
7/29/2019 1[1].NF Living in a Network Centric World WebEx
11/24ITE PC v4.0
Chapter 1 11 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Data Networking Role, Components, andChallenges
Describe the variouselements that make up anetwork
Devices
These are used tocommunicate with oneanother
Medium
This is how the devicesare connected together
Messages
Information that travelsover the medium
Rules
Governs how messagesflow across network
-
7/29/2019 1[1].NF Living in a Network Centric World WebEx
12/24ITE PC v4.0
Chapter 1 12 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Data Networking Role, Components, andChallenges
Describe the role of converged networks incommunications
Converged network
A type of network that can carry voice, video & data overthe same network
VoiceConf
http://newsroom.cisco.com/Newsroom/flash/evp/?vidid=563892DC3910FE8112953E68334F637F -
7/29/2019 1[1].NF Living in a Network Centric World WebEx
13/24
ITE PC v4.0
Chapter 1 13 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Network Architecture Characteristics Explain four characteristics that are addressed by
network architecture design
Fault tolerance
Scalability
Quality of serviceSecurity
CRS-1
http://www.cisco.com/en/US/products/ps5763/index.html -
7/29/2019 1[1].NF Living in a Network Centric World WebEx
14/24
ITE PC v4.0
Chapter 1 14 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Network Architecture Characteristics Describe how packet switching helps improve the
resiliency and fault tolerance of the Internet architecture
-
7/29/2019 1[1].NF Living in a Network Centric World WebEx
15/24
ITE PC v4.0
Chapter 1 15 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Network Architecture Characteristics Describe characteristics of the Internet that help it scale
to meet user demand
Hierarchical
Common standards
Common protocols
-
7/29/2019 1[1].NF Living in a Network Centric World WebEx
16/24
ITE PC v4.0
Chapter 1 16 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Network Architecture Characteristics Explain the factors that necessitate Quality of Service
and the mechanisms necessary to ensure it
-
7/29/2019 1[1].NF Living in a Network Centric World WebEx
17/24
ITE PC v4.0
Chapter 1 17 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Network Architecture Characteristics Describe how QoS mechanisms work to ensure quality
of service for applications that require it.
-
7/29/2019 1[1].NF Living in a Network Centric World WebEx
18/24
ITE PC v4.0
Chapter 1 18 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Network Architecture Characteristics Describe how to select the appropriate QoS strategy for
a given type of traffic
-
7/29/2019 1[1].NF Living in a Network Centric World WebEx
19/24
ITE PC v4.0
Chapter 1 19 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Network Architecture Characteristics Describe why networks must be secure
Last 25 papers Top 20 attack targets
http://www.sans.org/top20/?ref=3706http://www.sans.org/reading_room/last.php?portal=046c9cfa7c83e057eb5cbae0b18e5c19 -
7/29/2019 1[1].NF Living in a Network Centric World WebEx
20/24
ITE PC v4.0
Chapter 1 20 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Network Architecture Characteristics
Describe basic measures to secure data networksEnsure confidentiality through use of
User authentication
Data encryption
Maintain communication integrity through use of
Digital signatures
Ensure availability through use of
Firewalls
Redundant networkarchitecture
Hardware without a single
point of failure
McAfee SiteAdvisor
Security
http://www.cisco.com/en/US/netsol/ns170/networking_solutions_solution_segment_home.htmlhttp://www.cisco.com/en/US/netsol/ns170/networking_solutions_solution_segment_home.htmlhttp://www.cisco.com/en/US/netsol/ns170/networking_solutions_solution_segment_home.htmlhttp://www.siteadvisor.com/ -
7/29/2019 1[1].NF Living in a Network Centric World WebEx
21/24
ITE PC v4.0
Chapter 1 21 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Summary
Next Session:Communicating over the Network
-
7/29/2019 1[1].NF Living in a Network Centric World WebEx
22/24
ITE PC v4.0
Chapter 1 22 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
-
7/29/2019 1[1].NF Living in a Network Centric World WebEx
23/24
ITE PC v4.0
Chapter 1 23 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
That's Lifeby Mike Twohy
-
7/29/2019 1[1].NF Living in a Network Centric World WebEx
24/24
ITE PC v4 0
Product Comparison
Google EarthProduct comparison
UserGuide version 4
http://earth.google.com/product_comparison.htmlhttp://earth.google.com/userguide/v4/http://earth.google.com/userguide/v4/http://earth.google.com/product_comparison.html