Networks Basics

Networking Basics Designed by Mufix Download link @ www.Mufix.org E-mail [email_address]

Agenda ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is a Network? ,[object Object]

How can I connect two PC’s ?

Why Networking? ,[object Object],[object Object],[object Object]

Cont …….. ,[object Object],[object Object],[object Object],[object Object]

How many kinds of Networks? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Transmission Media ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Twisted-Pair Cables

Unshielded Twisted-Pair (UTP) ,[object Object],[object Object],Metal Insulator

Shielded Twisted-Pair (STP) ,[object Object]

Categories of UTP Cables ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Coaxial Cables ,[object Object],[object Object]

Coaxial Cable ,[object Object],[object Object],[object Object],[object Object]

Fiber Optic Cable ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

two types of fiber ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Fiber Optic Cable

The connection is shared by a number of subscribers, hence may raise performance and security problems Fiber-optic cable Cable company Coaxial Cable TV PC

network size ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Ways of data exchange…. ,[object Object],[object Object],[object Object]

Communication vs. Transmission ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Host types : ,[object Object],[object Object],[object Object],[object Object]

Host types : ,[object Object],[object Object],[object Object],Server Client Client Can I use your printer? Can I get the customer file? Client Can I add to the database?

client/server networks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Establishing Network Connectivity ,[object Object],[object Object],[object Object],[object Object],[object Object]

Establishing Network Connectivity ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

OSI Model ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Layer interaction: OSI 7-layer model Host Router Router Host Hop by hop End to end Application Presentation Session Transport Network Link Physical Network Link Link Network Link Link Application Presentation Session Transport Network Link Physical Physical

OSI Model Application 7 Presentation 6 Session 5 Transport 4 DataLink 2 Network 3 Physical 1 Physical 1 DataLink 2 Network 3 Transport 4 Session 5 Presentation 6 Application 7 Computer A Computer B bits Data Data Data Chunked Data Packet Frame Bits

OSI Model ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

OSI Model ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

OSI Model ,[object Object],[object Object],[object Object],[object Object],[object Object]

OSI Model ,[object Object],[object Object],[object Object]

ARP vs. RARP ,[object Object],[object Object],[object Object],[object Object],[object Object],IP: 111.111.111.001 IP: 111.111.111.002 MAC: AA-AA-AA-AA-AA-AA ARP cache LAN MAC: BB-BB-BB-BB-BB-BB ARP cache BB-BB-BB-BB-BB-BB 111.111.111.002 AA-AA-AA-AA-AA-AA 111.111.111.001

OSI Model ,[object Object],[object Object],[object Object],[object Object]

Physical Components (Layer 1) ,[object Object],[object Object],[object Object],[object Object],[object Object]

Physical Components (Layer 1)….. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],T T T T data T data T data T data T data T data T Ack T Ack T Ack T Ack

Physical Components (Layer 1)….. ,[object Object],[object Object]

How to construct a network with Bus / Star Topology? ,[object Object],BNC T-Connector Network Card Coaxial cable ,[object Object]

Physical Components (Layer 1) ,[object Object],[object Object],[object Object],[object Object]

Network Protocols ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Types of nodes important to networks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Objectives Revisited ,[object Object],[object Object],[object Object],[object Object]

Basics of Networking ,[object Object],Ibrahim_khatab@Mufix.org CCNA Certified

Networks Basics

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Networks Basics