Computer Networking Concepts

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A computer network is a group of computer systems and other computing hardware devices that are linked together through communication channels.

This facilitate communication and resource-sharing among a wide range of users.

Networks are commonly categorized based on their characteristics.

The chapters of the application are as follows:

Home

About

OSI Model

TCP/IP Model

Application Layer

1.1 HTTP

1.2 FTP

1.3 DHCP

1.4 DNS

1.5 IMAP4

1.6 POP3

1.7 NNTP

1.8 NTP

1.9 RTP

1.10 SIP

1.11 SMTP

1.12 SNMP

1.13 SSH

1.14 TELNET

1.15 TLS/SSL

1.16 TFTP

Presentation Layer

Session Layer

Transport Layer

4.1 Firewall

4.2 TCP

4.3 UDP

4.4 SCTP

Network Layer

5.1 Routers

5.2 IP

5.3 IPSec

5.4 ARP

5.5 ICMP

5.6 IGMP

5.7 RARP

Data Link Layer

6.1 Switches

6.2 Bridges

6.3 NIC

6.4 WAP

Physical Layer

7.1 Hub

7.2 ISDN

7.3 Modems

7.4 MSAU

7.5 CSU/DSU

7.6 Ethernet

7.7 LAN Topologies

7.8 Transceivers

7.9 Network Cables

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