单项选择题
A. It does not transfer encrypted files.
B. It cannot be tunneled in a VPN.
C. It is a deprecated protocol.
D. It transmits passwords in clear text
单项选择题 An administrator receives a contract for a server install at a new building. Which of the followingshould be completed after installing the server?（）
单项选择题 An administrator is deploying three B/G wireless access points in a new office location. Which ofthe following channels eliminates interference?（）
单项选择题 Which of the following allows a technician to mask a private network of IP addresses behind onepublic IP address?（）