SONET Is Proprietary, So Point-To-Point Network Equipment Can Get Expensive

Q31: Currently, _ is the most commonly used

Q32: The essential communications contained in the Q.931

Q33: SONET high speed communications use _ cable.<br>A)twisted-pair

Q34: All frame relay communications implement the _

Q35: Frame relay includes an option, called _,

Q37: What is a VT? Where would you

Q38: Which is not a method of connecting

Q39: HDSL supports voice communications as well as

Q40: X.25 networks are designed to release unused

Q41: Frame relay is a connection-oriented service.