An ISP is granted a block of addresses starting with 190.100.0.0/16 (65,536 addresses). The ISP needs to distribute these addresses to three groups of customers as follows:
a. The first group has 64 customers; each needs 256 addresses.
b. The second group has 128 customers; each needs 128 addresses.
c. The third group has 128 customers; each needs 64 addresses. Design the sub blocks and find out how many addresses are still available after these allocations.
2. what are the reason why telecommunication companies are investing in optical fiber transmission.
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