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hw2b - Kham Lee HW 2b 1 2^(32-14 2 = 262,142 valid host...

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Kham Lee HW 2b 1. 2^(32-14) 2 = 262,142 valid host addresses 2. 2^(32-20) 2 = 4,094 valid host addresses 3. 130.207.52/22 is a valid network prefix because after applying the network mask, the prefix remains the same as before. 10000010 11001111 00110100 00000000 11111111 11111111 11111100 00000000 10000010 11001111 00110100 00000000 4. Lower bound: 10000010 11011000 00100011 00010000 = 130.216.35.16 Upper bound: 10000010 11011000 00100011 00011111 = 130.216.35.31 Range of addresses is 130.216.35.16 to 130.216.35.31 5. Lower bound: 00100110 10000000 00000000 00000000 = 38.128.0.0 Upper bound: 00100110 11111111 11111111 11111111 = 38.255.255.255 Range of addresses is 38.128.0.0 to 38.255.255.255 6. 175.111.0.0/19, 175.111.32.0/19, 175.111.64.0/19, 175.111.96.0/19, 175.111.128.0/19, 175.111.160.0/19, 175.111.192.0/19, 175.111.224.0/19 2^(32-19) 2 = 8,190 host addresses would be in each of the 8 new networks. 7. The network mask length is /19. Its dotted quad notation is 255.255.244.0 8. (1): 99.168.0.0/16, (2): 99.169.0.0/16, (3): 99.170.0.0/16, (4): 99.171.0.0/16 (1): 99.168.0.0 to 99.168.255.255, (2): 99.169.0.0 to 99.169.255.255, (3): 99.170.0.0 to 99.170.255.255, (4): 99.171.0.0 to 99.171.255.255 9. No, because both of the last prefix bits is 1 for the network prefixes to be combined. 10. No, because the prefix length of the two aren’t the same. One is 24 and the other is 23. 11. No, because the prefix length of the two aren’t the same. One is 16 and the other is 15.
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