Term
What does IP SubnetZero mean? 

Definition
Allows you to use the first and last subnet in your network 


Term

Definition
Allows a recipient to distinguish between the network ID portion and the host portion of the address 


Term
What are the 5 questions to ask to subnet a network 

Definition
1. How many subents does the subnet mask produce? 2. How many valid hosts per subnet are there? 3. What are the valid subnets? 4. What is the broadcast address of each subnet 5. what are the valid hosts in each subnet? 


Term
What is the equation to figure out the number of subnets 

Definition
2^x. where x is the number of masked bits 


Term
What is the equation to figure out the number of hosts per subnet 

Definition
2^y  2. Y is the number of unmasked bits 


Term
Wat is the equation to figure out the valid subnets? 

Definition
256  subnet mask = block size 


Term
How to you find the broadcast address? 

Definition
It is always the number right before the next subnet. For example for subnets 0, 64, 128, 192. For subnet 0 the broadcast is 63. 


Term
How do you find the number of valid hosts? 

Definition
The numbers between, not including the first one and last one. 


Term

Definition
how many subnets? 2^1=2 how many hosts per subnet? 2^72=126 What are the valid subnets? 256128 = 0,128 broadcast address: 127 


Term

Definition
How many subnets: 2^1 = 2 how many hosts: 2^15  2 = 32,766 Valid subnets: 256128 = 0 & 128 


Term
Why does IGRP and RIP not work for VLSM 

Definition
They are classful routing protocols that do not advertise subnet mask. Default subnet mask is assumed. 

