Which of the following lines in the sshd configuration file should, if present, be changed in order to increase the security of the server?

Which of the following lines in the sshd configuration file should, if present, be changed in order to
increase the security of the server? (Choose TWO correct answers.)

A.
Protocol 2,1

B.
PermitEmptyPasswords no

C.
Port 22

D.
PermitRootLogin yes

E.
IgnoreRhosts yes