1
Q
Which subnet mask will divide a class c network into 8 subnets?
A
255.255.255.224
BECAUSE
128 + 64 + 32 = 3 network bits.
And 2 to the power of 3 is 8
WHY?
Because between those 3 bits, there are 8 possible combinations they can make to form a new network address.
2
Q
How do you find the number of hosts?
A
2 to the power of [host bits]
3
Q
What is a sub-interface?
A
A single, physical connection that represents multiple IP addresses
4
Q
What is a virtual IP address?
A
It appears as a single IP to clients but is actually multiple machines
5
Q
What is the public IP address range?
A
1-126
128-191
192.0.1.1 - 223.255.244.244
CTAN+1938 (Outdated, bad info)
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