1.

An Internet Service Provider (ISP) is granted as a block of address starting with 160.80.0.0./16. The ISP distributes these blocks to 2000 customers as follows. • The first group has 200 medium size businesses; each needs 128 addresses. • The second group has 300 small size business; each needs 16 addresses. • The third group has 1500 households; each needs 4 addresses. Determine the sub network block needed for each group. Using slash notation, determine the subnet mask to be used by each sub block. Calculate how many spare addresses are available after the completion of these allocations.

Answer»

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