单项选择题
A. Fault tolerance B. RADIUS C. Qos D. Load balancing
Which of the following technologies was designed to pro...
单项选择题Which of the following technologies was designed to provide the FASTEST data rates over analog phone lines?（）
A.RADSL B.SONET C.ADSL D.MPLS
Which of the following protocols defaults to port 161?（...
单项选择题Which of the following protocols defaults to port 161?（）
A.SFTP B.SNMP C.SMTP D.SNTP
Which of the following monitors a server to see which p...
单项选择题Which of the following monitors a server to see which protocols might be in use?（）
A. Ping sweep B. Intrusion detection software C. Port scanner D. Wireless packet sniffer
