In order to PXE boot a system, many of the following macros must be defined in DHCP.
SrootIP4
SrootNM
SrootPTH
SinstIP4
SinstNM
SinstPTH
SrootOpt
SbootFIL
SbootRS
SsysidCF
SjumpsCF
Substituting <macro> with the name of a macro from above, and <definition> with the appropriate configuration string, which command must be used to define each macro?

A.
dhcp -A -s <macro> -d <definition>

B.
dhtadm -A -s <macro> -d <definition>

C.
dhcpmgr -A -s <macro> -d <definition>

D.
dhcpadm -A -s <macro> -d <definition>