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 SECTION 2: COMPUTER NETWORKS AND WEB TECHNOLOGIES

GENERAL OBJECTIVES

On completion of this Section, students should develop an awareness of:

1. basic networking concepts, including mobile networks; and,

2. Internet and Web Technology concepts.

SPECIFIC OBJECTIVES CONTENT

Students should be able to:

1. distinguish among types of networks; Types of networks (local area network,
metropolitan area network, wide area
network, mobile network).

(a) Concept of mobile network as radio-
based common carrier.

(b) Overview of mobile networks: from 2G
to current. (Knowledge of the inner
workings of mobile systems is NOT
required)

Wireless network technologies (for example,
Bluetooth, Wi-Fi, hotspot).

Level of privacy (intranet, extranet, Internet).

2. explain the functions of the basic Basic components and functions:
components of a network;
(a) Transmission media:

(i) Wired: twisted pair, coaxial,
fibre; and,

(ii) Wireless: infrared, microwave,
satellite.

(b) Switch, router, modem.

(c) Network interface card/network
adapter.

CXC 30/G/SYLL 17 13