Which of the followi

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

• AA CSU/DSU terminates a digital local loop.
• BA modem terminates a digital local loop.
• CA CSU/DSU terminates an analog local loop.
• DA modem terminates an analog local loop.
• EA router is commonly considered a DTE device.
• FA router is commonly considered a DCE device.