00:01
Hello students, let's break down the given information and calculate the number of subnets and hosts per subnet for the given class of c network with the subnet value of 28, also known as the prefix length of the 28 bits.
00:17
So, the subnet mask of 28 means that the first 28 bits of the ip address are used for the network portion and the remaining bits are used for the given the network as 210 .10 .2 .0.
00:44
So, whereas the option a that is 30 subnets and the 6 hosts, so this option is incurrent for 28 subnets as the subnet mask leaves the 4 bits for the host portion.
01:07
Therefore, they can have the maximum value of 2 raise to 4 that is equal to 16 possible address in each subnet.
01:16
However, corresponding that the two addresses are reserved.
01:20
So, the network address and the broadcast address, the actual usage host per subnet would be as the 16 minus 2 that is the 14 not 6.
01:34
So, this is an incorrect.
01:37
So, next the second option as the 6 subnets and 30 hosts.
01:48
So, even this is an incorrect option as explained in the step a, step a whereas the 16 possible address in each bit subnet within 14 usable host.
02:04
So, the option is incorrect even it is incorrect.
02:09
Similarly, for the option c that is the 8 subnets and 32 hosts.
02:18
And 32 hosts...