Quiz Challenge

Quiz on ISDN. Make sure you have studied hard and good luck!

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ISDN
	Your Name:
	1. What do the letters ISDN stand for? Integrated Save Digital Network Intelligent Services Digital Network Integrated Silicon Device Network Integrated Services Digital Network
	2. Basic Rate Interface (BRI) consists of _____ bearer channels. 3 4 24 30
	3. What is an issue in ISDN deployment? Not enough twisted pair wires Availability Slow transmission speeds Can't transmit video
	4. What do bearer channels carry? Voice, data, and other services Voice only Data and video only Data and voice only
	5. What do delta channels carry? Data and video only Data and voice only Control and signalling information Voice only
	6. An ISDN user must be within _____ miles of the central office. No limit 5 1 3.4
	7. Advantages of using ISDN. Low signal noise and high reliability Economical All of these One line can be shared for multiple data types
	8. How many channels do PRI lines have in the U.S.? 24 30 35 100
	9. How many channels do PRI lines have in Japan? 30 24 35 100
	10. What does the out of band signaling channel do? Sends video since it can't be done on the other channel Sends an identifier to the network Sends voice and data Sends a telephone number to an operator terminal

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