Quiz Challenge

A quiz on the public network and switched services. Make sure you have studied hard and good luck!

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The Public Network
	Your Name:
	1. The public switched network was originally created by _____ Bell Laboratories Thomas Edison Alexander Graham Bell AT&T
	2. Switched calls are all _____ dial-up computer initiated based on data transmission limited to the same exchange
	3. What to the letters DTMF stand for? Dial Tone Multiformat Dial Tone Mulifrequency Dial Timing Multifrequency Dial Time Minutes Free
	4. Switched services are available ____ on demand during off-peak hours only during peak hours only during the day
	5. Which is an example of a switched service that is not analog? Transfer of recorded sound DTMF tones ISDN Multiplexing
	6. How have traffic patterns changed since the public network was designed? More frequent calls More demand for additional telephone numbers More longer calls All of These
	7. The storage and transfer of messages during off-peak hours is called _____ on-demand message switched pattern services store and forward message switching redundant message services
	8. How do users generally pay for dedicated services? Flat rates Per minute usage Peak and off-peak rates Rate per byte of data transferred
	9. Which is not one of the 3 basic types of signals? Virtual Signals Supervisory Signals Addressing Signals Alerting Signals
	10. Tandem offices work ... independently with external carriers in tandem with addressing signals exclusively independently with leased trunks

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