Extended IP access-lists (100-199) can be used to control
traffic.

Which command listed below will permit smtp mail to only
host 3.4.5.6 ?

A.) It is not possible for SMTP traffic

B.) access-list 102 permit tcp any host 3.4.5.6 eq smtp

C.) access-list 101 permit tcp any 3.4.5.6 0.0.0.0 eq 23

D.) access-list 102 permit tcp any any eq smtp

E.) access-list 101 permit tcp any 3.4.5.6 0.0.0.0 eq 25