Saturday, November 24, 2007

Networks: Valid IP addresses

Which IP address is a valid host address?

1. A87E34B2
2. 00-03-A6-98-03-16
3. 192.168.0.256
4. >>10.10.10.10-->Correct

Explanation : An Internet Protocol (IP) address is a 32-bit number sequence, divided into four octets, each separated by a decimal point (.). The number in each octet can range from zero (0) to 255 with some restrictions. The IP address is a combination of network number and host number.

10.10.10.10 is a valid IP address. It represents network 10.0.0.0 and host 10.10.10.

The 192.168.0.256 is not a valid address because the last octet is 256, which is not possible in 8-bits.

00-03-A6-98-03-16 is not an IP address but a Media Access Control (MAC) address which is a burned in address on the network card.

A87E34B2 is representative of an Internet Packet Exchange (IPX) network address. In an IPX network, an 80-bit address is used, and it is written in hexadecimal notation.
Objective: Networks