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What is computer network?
What are the advantages of having a
Any examples of daily used network
LAN? MAN? WAN?
CHAPTER 1 : INTRODUCTION TO
1.1 Describe the basic
concepts of comp
DFC3023 INTRODUCTION TO
CHAPTER 3 : DATA
Introduction to Transmission
To send binary data, each element in it has to be
changed to electric/light signals.
Electric signals to be transmitted need a
Wireless is refer to any type of
electrical or electronic operation
which is accomplished without the
use of a hard wired connection.
Is the transfer of information over a distance without
use of elec
Identify organizations that set standards for
What is Standard?
-Is a level of Quality
Networking Standards Organizations
Standards: documented agreements containing technical
specifications or other precise criter
What Is OSI?
The Open Systems Interconnection
model is a layered framework for the
design of network systems that
allows for communication across all
types of computer systems.
It consists of seven separate but related
layers, each of which defines a se
What is a Topology?
The physical topology of a network refers
to the configuration of cables, computers,
and other peripherals.
Physical topology should not be confused
with logical topology which is the method
used to pass information
What is computer network ?
is a set of devices
(referred to as nodes)
connected by media links
node can be computer,
printer, or any other device
capable of sending or
links connecting the
devices are often called
Upon completion of this chapter,
students should be able to:
Describe the physical
characteristics of coaxial
cable, STP, UTP and fiber
Compare the benefit and
limitations of the di
RIZ: The Theory of Inventive Problem Solvin
40 Inventive Principles with Examples
A Russian engineer studied more than
300,000 patents and discerned
inventive principles were often present
in the most successful cases.
His work gave birth to TRIZ or
40 Inventive Principles With Examples
Principle 1 Segmentation
A. Divide an object into independent parts
Different focal length lenses for a camera
Gator-grip socket spanner
Multiple pistons in an internal combustion engine
Student Name: _
CISCO NETWORKING ACADEMY II
9B TROUBLESHOOTING CONTEST
Router Configuration: Standard Base Lab
Multiple routers required.
Estimated time: 60 min.
VTY Password: cisco
Enable Secret: chabot
Working as a team, plan
IT Essentials: PC Hardware and Software v4.1
Chapter 13 Worksheet/Student
13.5.3 Worksheet: Verify Work Order Information
In this worksheet a level-two call center technician will find creative ways to verify information that
the level-one tech has docume
IT Essentials 5.0
184.108.40.206 Worksheet Gather Information from the Customer
In this worksheet, you will act as a call center technician and come up with closed-ended and open-ended
questions to ask a customer about a laptop problem.
A customer complains that
Lab 2 Exercise Marking Criteria
The program able to:
Program can be started as Server or Client
Criteria (as a Server)
Able to process and response to #WRITE# request correctly
Able to process and response to #READ# request correctly