The true statement is option c: the client will contact the Web server with the address 172.6.0.15.
Since the FQDN server need to return both IP addresses, then it has to be in the order 172.6.0.15 and then 192.168.1.75,
Hence the client will contact 172.6.0.15 due to the fact that the netmask ordering makes sure that the IP address that most closely similar to the client's IP address is returned first.
Therefore, The true statement is option c: the client will contact the Web server with the address 172.6.0.15.
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