单项选择题 A company is upgrading from DSL to a new T1. When the ISP sends a technician out, the technicianwill terminate the T1 at which of the following locations in the building?（）

单项选择题 Which of the following should be implemented to allow a user to securely connect to a network driveremotely?（）

单项选择题 A company has installed a new 802.11g point-to-point connection between two buildings and isexperiencing low throughput across the link. The current setup involves a wireless bridge on the roof with an omni-directional antenna. Which of the following would BEST improve the link performance?（）