Network Layer Flashcards
1
Q
router
A
workhouse of the network layer
2
Q
IP address
A
logical (not physical) address, 2 parts (network ID and host ID separated by the subnet mask)
3
Q
IPv4 address
A
32 bits (4 bytes separated by dots)
4
Q
subnet mask
A
all 1s (255) and then all 0s (0)
5
Q
network address
A
to the left of the divide
6
Q
host ID
A
to the right of the divide
7
Q
slash notation
A
/24 24 1s and then 8 0s for example
8
Q
127.0.0.1
A
so that your computer can talk to itself
9
Q
169.254.0.0/16
A
automatic private IP address, computer makes it automatically, can’t work with an outside network (can’t talk to router or anything else)
10
Q
255.255.255.255
A
universal broadcast, shout out when you don’t know where you are
11
Q
0.0.0.0
A
refers to all IPv4 addresses on a machine
