____ is an established high-speed WAN alternative offered by several telecommunications companies.
A)SONET
B)ISDN
C)ATM
D)ANI

Question

Quizplus · Accepted Answer

SONET (Synchronous Optical Network) is an established high-speed WAN (Wide Area Network) alternative offered by several telecommunications companies. It uses fiber-optic technology to provide high-speed data transfer rates and is commonly used by businesses and organizations for critical applications such as voice, video, and data transfer. ISDN (Integrated Services Digital Network), ATM (Asynchronous Transfer Mode), and ANI (Automatic Number Identification) are also telecommunications technologies, but they are not specifically high-speed WAN alternatives like SONET.

____ Is an Established High-Speed WAN Alternative Offered by Several