what command is used?

To enable a service on a Host’s Firewall, what command is used?

A.
esxcfg-firewall -o

B.
esxcfg-firewall -s

C.
esxcfg-firewall -q

D.
esxcfg-firewall -e

Explanation:
Enable a service:
esxcfg-firewall -e [servicename]
esxcfg-firewall -e sshClient