多项选择题
A.source ip address：192.168.15.5destination port：21
B.source ip address：，192.168.15.37destination port：21
C.sourcei p address：，192.168.15.41destination port：21
D.source ip address：，192.168.15.36destination port：23
E.source ip address：192.168.15.46destination port：23
F.source ip address：，192.168.15.49destination port：23
多项选择题 Which two statements about static NAT translations are true?（）
单项选择题 Which single access list statement will combine all four of these statements into a single statement that will have exactly the same effect（）。
单项选择题 All WAN links inside the ABC University network use PPP with CHAP for authentication security. Which command will display the CHAP authentication process as it occur between two routers in the network?（）
