Understanding IPv4

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How many bit address system in an IPv4 address?
32
1 of 17
How many address classes are there in IPv4 addressing?
5
2 of 17
How do you identify the classes in IPv4 addressing?
First octet
3 of 17
What is a subnet mask?
Group of 4 numbers that define what IP network
4 of 17
What do the 255s related to in a subnet mask?
The network portion
5 of 17
What do the 0s relate to in a subnet mask?
The host portion
6 of 17
What is the range for class A?
0-127
7 of 17
What is the 127 network number used for?
Loopback IP addresses
8 of 17
What is loopback IP addressing used for?
Test that networking is working correctly
9 of 17
What addresses can't be used?
First and last addresses
10 of 17
What does the 0 in binary define?
The entire network
11 of 17
What does the 1 in binary define?
Broadcast address
12 of 17
What are public IP addresses?
Exposed to the internet
13 of 17
What are private IP addresses?
Hidden from the internet
14 of 17
What does NAT allow?
Private IP to be converted into a public IP
15 of 17
Why does IPv4 lifespan increase through NAT?
It allows many devices to go out on the internet
16 of 17
What is the difference between static IP addresses and dynamic IP addresses?
Static IP addresses are manually assigned and dynamic IP addresses are automatically assigned
17 of 17

Other cards in this set

Card 2

Front

How many address classes are there in IPv4 addressing?

Back

5

Card 3

Front

How do you identify the classes in IPv4 addressing?

Back

Preview of the front of card 3

Card 4

Front

What is a subnet mask?

Back

Preview of the front of card 4

Card 5

Front

What do the 255s related to in a subnet mask?

Back

Preview of the front of card 5
View more cards

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