From AI som svar:
To meet the criteria specified, we need to divide the 18.10.31.0/18 network into multiple subnets with the following requirements:
- One network with 8000 hosts requires at least 13 bits for the host portion of the address (2^13 - 2 = 8190). Therefore, we can allocate a /21 subnet (18.10.32.0/21) for this purpose.
- Three networks with 2000 hosts each require at least 11 bits for the host portion of the address (2^11 - 2 = 2046). Therefore, we can allocate three /23 subnets (18.10.40.0/23, 18.10.42.0/23, and 18.10.44.0/23) for this purpose.
- Three networks with 500 hosts each require at least 9 bits for the host portion of the address (2^9 - 2 = 510). Therefore, we can allocate three /24 subnets (18.10.48.0/24, 18.10.49.0/24, and 18.10.50.0/24) for this purpose.
- Four networks with 2 hosts each require at least 1 bit for the host portion of the address (2^1 - 2 = 0). Therefore, we can allocate four /31 subnets (18.10.31.0/31, 18.10.31.2/31, 18.10.31.4/31, and 18.10.31.6/31) for this purpose.
Therefore, the subnets for the 18.10.31.0/18 network that meet the specified criteria are:
- 18.10.32.0/21 (8000 hosts)
- 18.10.40.0/23 (2000 hosts)
- 18.10.42.0/23 (2000 hosts)
- 18.10.44.0/23 (2000 hosts)
- 18.10.48.0/24 (500 hosts)
- 18.10.49.0/24 (500 hosts)
- 18.10.50.0/24 (500 hosts)
- 18.10.31.0/31 (2 hosts)
- 18.10.31.2/31 (2 hosts)
- 18.10.31
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