Given the network 245.248.128.0/20, divide the address space among three departments as follows: (a) Manager: half of the address space. (b) HR…
Given the network 245.248.128.0/20, divide the address space among three departments as follows:
(a) Manager: half of the address space.
(b) HR: one-quarter of the address space.
(c) Admin: the remaining one-quarter.
For each department, determine:
(i) The network block (in CIDR notation).
(ii) The IP address valid range.
(iii) The number of valid hosts.
From the Dhaka WASA Assistant Maintenance Engineer (Network) July 2025 – Written (BUET) exam, question 5 of 15.
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