单项选择题
A.SMTP traffic B.ICMP messages C.HTTP traffic D.Email sender verification
One end of a CAT5 cable is punched down following the 5...
单项选择题One end of a CAT5 cable is punched down following the 568B standard. The other end should beterminated using which standard to make a straight-through cable?（）
A.568B B.RJ-11 C.RJ-45 D.568A
Which of the following authentication protocols uses ce...
单项选择题Which of the following authentication protocols uses certificates to negotiate access to the network?（）
A.PAP B.CHAP C.EAP-TLS D.Kerberos
Which of the following tools is used to show the active...
单项选择题Which of the following tools is used to show the active routes on a workstation?（）
A.nbstat B.arp -a C.arp ping D.netstat -r
