Saturday, 10 May 2014

IPv4 - Class, Range, Private IP



Class
IP Range
Private IP
A (255.0.0.0)
1 - 126
10.x.x.x
Loopback
127.0.0.1
B (255.255.0.0)
128 - 191
172.16.x.x - 172.31.x.x
APIPA(Automatic Private IP Addressing)
169.254.x.x
Router Configuration
192.168.0.1
C (255.255.255.0)
192 - 223
192.168.x.x
D (Multicast)
224 - 239
E (Experimental)
240 - 255

PostScript vs. PCL (Printer Command Language)


PostScript
PCL (Printer Command Language)
Page is rendered by the Printer
Page is rendered by the PC
Better Quality
Faster Print Jobs
Handles more complex jobs
Requires less memory

PPP & SLIP

PPP - Point to Point Protocol - RFC 1968
- Method of connecting to the Internet
- Communication between two Computer(You and your ISP Server) via Serial Interface
- Provides error checking
- It can provide encryption
- Layer 2 Data Link in the OSI Model
- Full-Duplex

Your Computer >>> ISP Server >>> Internet

SLIP - Serial Line Internet Protocol - RFC 1055
- Communication via Dial Up
- Max speed of 2400bps
- This Protocol was before PPP
- No Encryption or Error Checking