Answer :
Final answer:
The DHCP server can lease the IP addresses 10.1.4.156 and 10.1.4.254.
Explanation:
The subnet 10.1.4.0/23 has a netmask of 255.255.254.0, which means it can have 510 usable IP addresses. To lease the last 100 usable IP addresses, we need to ensure that the DHCP server assigns IP addresses from 10.1.4.155 to 10.1.4.254.
Out of the given options:
- 10.1.4.156 is a valid address within the range and can be leased.
- 10.1.5.200 is not within the range of the last 100 usable IP addresses.
- 10.1.4.254 is the last IP address within the range and can be leased.
- 210.1.55.200 is not within the specified subnet and cannot be leased.
Therefore, the correct options are (a) 10.1.4.156 and (c) 10.1.4.254.
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