你可能感興趣的試題

Which of the following describes the roles of devices in a WAN?（）

A.A CSU/DSU terminates a digital local loop.
B.A modem terminates a digital local loop.
C.A CSU/DSU terminates an analog local loop.
D.A modem terminates an analog local loop.
E.A router is commonly considered a DTE device.
F.A router is commonly considered a DCE device.

單項(xiàng)選擇題

Two buildings on the San Jose campus of a small company must be connected to use Ethernet with a bandwidth of at least 100 Mbps. The company is concerned about possible problems from voltage potential differences between the two buildings. Which media type should be used for the connection（）。

A.UTP cable
B.STP cable
C.coaxial cable
D.fiber optic cable