What will the following command accomplish?

What will the following command accomplish?

c:\> nmap -v -sS -Po 172.16.28.251 -data_length 66000-packet_trace

A.
Test ability of a router to handle over-sized packets

B.
Test the ability of a router to handle under-sized packets

C.
Test the ability of a WLAN to handle fragmented packets

D.
Test the ability of a router to handle fragmented packets