1. Information & Communication Technology
LA3 – Computer Networks and Communications
LEARNING AREA 3 –
COMPUTER NETWORKS AND COMMUNICATIONS
Topic 3.1 -
Basic Concepts of Networks and Communications
3.1.1 Definition
3.1.1.1 Define computer networks.
3.1.1.2 Define communications.
3.1.2 Importance of Computer Network
3.1.2.1 State the importance of computer networks and communications.
Hak Cipta Terpelihara Panitia ICT Jabatan Pelajaran Negeri Selangor 2007

2. Information & Communication Technology
LA3 – Computer Networks and Communications
3.1.3 Types of Networks
3.1.3.1 Define types of computer networks: LAN, MAN and WAN.
3.1.3.2 Differentiate between the three types of computer networks.
Hak Cipta Terpelihara Panitia ICT Jabatan Pelajaran Negeri Selangor 2007

3. Information & Communication Technology
LA3 – Computer Networks and Communications
3.1.4 Network Architecture
3.1.4.1 Define two types of network architecture: Client/Server and Peer-to-Peer.
3.1.5 Network Topology
3.1.5.1 State three types of network topologies: Bus, ring and star.
3.1.5 Network Topology
3.1.5.2 Differentiate between the three types of network topology.
Hak Cipta Terpelihara Panitia ICT Jabatan Pelajaran Negeri Selangor 2007

4. Information & Communication Technology
LA3 – Computer Networks and Communications
3.1.6 Protocol
3.1.6.1 Define Transmission Control Protocol/Internet Protocol (TCP/IP) as a protocol to facilitate
communication over computer network.
3.1.7 Internet, Intranet, Extranet
3.1.7.1 Describe the types of network communications technology:
• Internet • Intranet • Extranet
Hak Cipta Terpelihara Panitia ICT Jabatan Pelajaran Negeri Selangor 2007

5. Information & Communication Technology
Topic 3.2 - Hardware Requirements
3.2.1 Devices
3.2.1.1 Identify the devices needed in computer network
communication :
• Network Interface Card (NIC)
• Wireless Network Interface Card
• Modem (internal and external)
• Hub / Switch
• Router
• Wireless Access Point
3.2.1.2 State the functions of the following:
• Network Interface Card (NIC)
• Wireless Network Interface Card
• Modem (internal and external)
• Hub / Switch
• Router
• Wireless Access Point
Hak Cipta Terpelihara Panitia ICT Jabatan Pelajaran Negeri Selangor 2007
LA3 – Computer Networks and Communications

6. Information & Communication Technology
LA3 – Computer Networks and Communications
3.2.2 Medium
3.2.2.1 Identify various types of cables such as Unshielded Twisted Pair (UTP), Shielded Twisted
Pair (STP), Coaxial and Fibre Optic Cable.
3.2.2.2 Identify various types of wireless transmission media such as infrared, radio wave and
satellite.
Hak Cipta Terpelihara Panitia ICT Jabatan Pelajaran Negeri Selangor 2007

7. Information & Communication Technology
Topic 3.3 - Software Requirements
3.3.1 Server Software
3.3.1.1 Define Network Operating System.
3.3.1.2 Name various Network Operating System Software.
Hak Cipta Terpelihara Panitia ICT Jabatan Pelajaran Negeri Selangor 2007
LA3 – Computer Networks and Communications

8. Information & Communication Technology
LA3 – Computer Networks and Communications
3.3.2 Client Software
3.3.2.1 State the functions of various client software.(web browser, email client, network utilities,
network file manager)
TOPIC 3.4 : Setting Networks Facilities
3.4.1 Installation of Network Interface Cards (NIC)
Hak Cipta Terpelihara Panitia ICT Jabatan Pelajaran Negeri Selangor 2007

9. Information & Communication Technology
3.4.1.1 Insert network interface cards (NIC).
3.4.1.2 Install drivers for the NIC.
3.4.2 Cable Crimping and Testing
3.4.2.1 Crimp and test UTP cable
• Straight cable
• Crossed cable
Hak Cipta Terpelihara Panitia ICT Jabatan Pelajaran Negeri Selangor 2007
LA3 – Computer Networks and Communications

10. Information & Communication Technology
LA3 – Computer Networks and Communications
3.4.2.2 Create awareness of the correct way when crimping a cable.
3.4.3 Configuration and Testing of Network
3.4.3.1 Configure the workstation to join a Local Area Network :
• Internet Protocol (IP) Address
• Subnet Mask
• Server name
Hak Cipta Terpelihara Panitia ICT Jabatan Pelajaran Negeri Selangor 2007

11. Information & Communication Technology
3.4.3.2 Test the network connection.
3.4.4 Share Data
3.4.4.1 Create a shared folder.
Topic 3.5 -
Current And Future Development
Hak Cipta Terpelihara Panitia ICT Jabatan Pelajaran Negeri Selangor 2007
LA3 – Computer Networks and Communications

12. Information & Communication Technology
LA3 – Computer Networks and Communications
3.5.1 Latest development In Network and Communications
3.5.1.1 Describe Mobile Computing (Specifications, services, frequencies)
a) Describe Mobile Computing
b) Specifications
c) services
d) frequencies
3.5.1.2 Describe Internet technology and Services (VIOP, BLOG)
a) VIOP
b) BLOG
3.5.1.3 Describe Types of network (Example: PAN, VPN, WLAN, WIMAX)
a) PAN
Hak Cipta Terpelihara Panitia ICT Jabatan Pelajaran Negeri Selangor 2007

13. Information & Communication Technology
b) VPN
c) WLAN
c)WIMAX
Hak Cipta Terpelihara Panitia ICT Jabatan Pelajaran Negeri Selangor 2007
LA3 – Computer Networks and Communications