Test

In: Computers and Technology

Submitted By Tahrah
Words 4073
Pages 17
CHAPTER 1 – Introduction To Networking

• Connection to the internet can be broken down into: 1. Physical connection – to a network is made by inserting a specialised expansion card 2. Logical connection – uses standards called protocols. (TCP/IP) 3. Applications – the application that interprets the data & displays the information in an understandable format is the last part of the connection. (FTP)

• When selecting a NIC for a network, consider the following: 1. Type of network 2. Type of medium 3. Type of system bus

• TCP/IP – set of protocols or rules developed to allow co-operating computers to share resources across a network

• Ping – a program that is useful for verifying a successful TCP/IP installation. The ping command works by sending internet Control Message Protocol (ICMP) datagram to request a reply

• PCMCIA slots are slots used primary in Laptops for expansion cards
CHAPTER 2 – Networking Fundamentals

• There are 2 types of Networking Devices: 1. End User Devices – PC, Printer, MAC File Server, Laptop, IBM Mainframe 2. Network Devices – provides transport data between end user devices, Network Devices include Repeater, 10BASE-T-Hub, 100BASE-T-Hub, Hub, Bridge, Workgroup Switch, Router, Network Cloud • Repeaters – Layer 1, Physical Layer device. Similar to a hub.

• Hubs – Layer 1, Physical Layer device. Used to regenerate & retime network signals. Connects segments of a LAN. Contains multiple ports. Also called Multiport Repeaters. Used in Ethernet 10BASE-T or 100BASE-T networks.

• Difference between Hubs & Repeaters is the number of cable that connects to the device. Repeater- 2 ports & Hubs- 4 to 20 & more

• Properties of hubs: 1. Amplify signal 2. Propagate signals through the network…...

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