单项选择题

A. The ipforwarding is off by default. B. The ipforward……

On a newly installed AIX V4 machine, which of the following default values applies to the ipforwarding network option?（）

A. The ipforwarding is off by default.
B. The ipforwarding is set on by default.
C. The value is dynamically determined at boot time by DHCP.
D. The value is equal to the setting of the directed_broadcast runtime attribute.

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