If an Ethernet port on router was assigned an IP address of 172.16.112.1/20, what the maximum number of hosts allowed on this subnet?

A. 1024
B. 2046
C. 4094
D. 4096
E. 8190
Answer: C
Explanation:
Given IP address of 172.16.112.1 / 20,
subnet mask: 255.255.240.0
max. num of hosts =(( 2^12) -2 ) = 4096-2 = 4094
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