In IPv4 header, an HLEN value of decimal 10 means _______
A. there are 10 bytes of options
B. there are 40 bytes of options
C. there are 10 bytes in the header
D. there are 40 bytes in the header
A. there are 10 bytes of options
B. there are 40 bytes of options
C. there are 10 bytes in the header
D. there are 40 bytes in the header