A network administrator has configured access-list 123 to prevent SSH and ICMP traffic from reaching a server with the address of 10.1.2.3.

Which commands can the administrator issue to verify that the access list is working properly?

A.	ping 10.1.2.3
B.	debug access-list 123
C.	show open ports 10.1.2.3
D.	show access-lists 123
E.	show ip interface