A manager has assigned 192.168.144.0 with a mask of 255.255.240.0 to a test environment. Which potential address range is valid for that segment?
192.168.144.0 to 192.168.160.255
192.168.144.0 to 192.168.149.255
192.168.144.0 to 192.168.159.255
192.168.150.0 to 192.168.165.255
A mask of 255.255.240.0 indicates a /20 block, which provides 4096 host addresses starting at 192.168.144.0. The highest address fitting that mask is 192.168.159.255. Other ranges that do not end at 159.255 or that skip beyond it do not align with a /20 boundary.
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