IP Addresses Flashcards
0
Q
What relatively human-friendly format are IP addresses usually written in?
A
Dotted decimal (172.16.81.100)
1
Q
What is an IP address?
A
A 32 bit (four octet) binary number that is assigned to a device on an IP network. An IP address is unique within its network.
2
Q
What is the binary equivalent of decimal # 100?
A
0 1 1 0 0 1 0 0
• • • • • • • • 128 64 32 16 8 4 2 1
3
Q
The IP address 192.1.0.1 is in what IP class? How many bits are network bits in that class?
A
Class C - the first 24 bits are network bits
4
Q
The IP address 10.1.10.1 is in what class? How many of its bits are network bits?
A
Class A - the first 8
5
Q
142.103.64.1 is in what class? By default, how many bits are network bits?
A
Class B - the first 16 (/16)
