单项选择题
Which of the following protocols is commonly used for VoIP technology?（）
A.Telnet
B.SMTP
C.SIP
D.SNMP
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相关考题
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单项选择题
An administrator is experiencing availability issues on a Linux server. The administrator decides tocheck the server for an IP address conflict on the server. Which of the following commands should the administrator use?（）
A.traceroute
B.tracert
C.ifconfig
D.ipconfig -
单项选择题
Which of the following defines access for a network?（）
A.ACL
B.RDF
C.RAS
D.ARP -
多项选择题
Which of the following ports would have to be allowed through a firewall to allow SNMP traffic topass on its default port?（） (Select TWO).
A.22
B.23
C.143
D.161
E.162
F.8080
