IPv4 Flashcards
What notations are “/ 24 and 255.255.0.0” known as?
CIDR or decimal notation
IP Addressing octets start at 0 and end at ____.
255
What is the term that refers to private IPv4 addresses?
RFC1918
A switch connected to a user is considered how many networks?
1
A router connected to a router is considered how many networks?
1
What value corresponds with the increment in a subnet mask?
the last bit that is “on”
What does the CIDR refer to in binary?
number of bits that are “on”
What is the first step to do subnetting based on network requirements?
determine number of networks and convert to binary
What formula is used to determine the number of hosts or networks?
2^x
What is the difference in finding a host, compared to finding network, when you are reserving the bits?
You are counting 0’s versus the 1’s
How do you find the increment to determine your subnets?
last network bit converted to decimal
What is the CIDR notation for class A addresses?
/8
When finding networks, you should add or subtract?
subtract 1
When finding hosts, you should add or subtract?
add 1
If a the default gateway(router) is connected to a computer and they are on different networks, are they able to communicate?
No
