Network 250 Midterm

Week 4 : The Movement Towards VoIP Services - Midterm

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Question 1.1. (TCO1) President Bill Clinton signed this legislation into a law, which promoted competition and deregulation in almost all aspects of the telecom industry. It provided cable TV regulation, where any company who has the capital can provide telephone, Internet, and/or TV service. What is this legislation called? (Points : 15)

Carter Phone Decision

Divestiture of AT&T

Telecommunications Act of 1996

The Formation of FCC

Question 2.2. (TCO2) These are companies that co-locates their switching equipment in an iLEC's network operations center or Central Office, and uses the infrastructure to deliver competing services. (Points : 15)

Optical Carrier (OC)

ILEC

CLEC

CENTREX vendor

Question 3.3. (TCO4) This is a transmission method of combining (and later dividing), the signals, with the purpose of yielding greater efficiency over the data link where a given signal is assigned a time slice that contains digitally sampled representation of the original analog waveform signal. The result is a wire that can carry separate signals within a single bit stream. (Points : 15)

Time Division

Frequency Division

Channel Banks

Sampling Rate

Question 4.4. (TCO7) This is a transmission media that consists of a center conductor and surrounded by an outer conductor. It is more expensive than twisted-pair and physically more bulky than other media. (Points : 15)

Copper

Fiber

Coaxial

Twisted pair

Question 5.5. (TCO11) This protocol is used by VoIP to replace traditional telephony and it is one of the oldest networking standards, developed for the APRANET. It enables systems to send large files of information across unreliable networks with great assurance that the data will arrive uncorrupted. (Points : 15)

OSI...