networkbasics
Table of Contents
Network Basics
On this page will network basics be explained. For more network basic knowledge not explained or showed on this page check Network Ports and Notes, Tips & Tricks: Cisco. This page is not finished yet.
OSI Model
| Layer Type | Data Unit | Layer | Function | Example |
| Host Layer | Data | 7. Application | Network process to application | DNS, FTP, HTTP, NFS, NTP, SMTP, SNMP, Telnet |
| Host Layer | Data | 6. Presentation | Data representation and encryption | MIME |
| Host Layer | Data | 5. Session | Interhost communication | NetBIOS |
| Host Layer | Segment | 4. Transport | End-to-end connections and reliability | TCP, UDP, SSL, TLS |
| Media Layer | Packet | 3. Network | Path determination and logical addressing | IP, ICMP, IPsec, IPX, AppleTalk |
| Media Layer | Frame | 2. Data Link | Physical addressing | ARP, Ethernet, PPP |
| Media Layer | Bit | 1. Physical | Media, signal and binary transmission | T1, DSL, 802.11a/b/g/n PHY, Ethernet, USB, Bluetooth |
TCP/IP Model
TCP Packet
IP Header
Sub and Supernetting
networkbasics.txt · Last modified: 2021/09/24 00:25 by 127.0.0.1