Classless Addressing Flashcards
1
Q
what are the drawbacks of classful addressing
A
- wasteful when jumping between classes eg C to B could leave a lot of hosts unused
- lack of address flexibility
- router table entries get clogged up
2
Q
what is classless addressing
A
using addresses sparingly and on a needs basis by subnetting
3
Q
what does CIDR stand for
A
classless inter domain routing