Which three are advantages of SONET? (Choose three)

A.
Allows the transportation of all forms of traffic

B.
Multiplexing is easy

C.
Clocks do not need to be synchronized

D.
Reduces network complexity and cost

E.
Padding is not necessary and not permitted

Explanation:
SONET Advantages
The big advantage of SONET is that it was designed to provide the following functions needed in
networking at that time:
Single-step multiplexing
Access to low-level signals directly
Carry existing DS1, DS3, ATM, and packet traffic
Synchronous timing to eliminate bit stuffing
Overhead room for acceptable network management information
Allow transmission of data at higher speeds (50 Mbps+)