The system administrator of a firewall running Solaris IP Filter writes an updated set of rules in /root/newrules. Before implementing the rules, the rule set needs to be tested for syntax errors. Which command accomplishes this?

A.
ipf -n -f /root/newrules

B.
ipf -Fa -f /root/newrules

C.
svcadm restart svc:/network/ipfilter:/root/newrules

D.
inetadm restart svc:/network/ipfilter:/root/newrules