a. Does residential DSL offer simultaneous voice and data service?

6a.) DSL offers ________.

a. Voice transmission

b. Data transmission

c. Both A and B

d. Neither A nor B

b. Why is asymmetric speed acceptable in residential ADSL service?

6b1.) DSL residential service provides _________.

a. Symmetric speed

b. Asymmetric speed

c. Both A and B

d. Neither A nor B

6b2.) Asymmetric residential service is good for _________.

a. The World Wide Web

b. Videoconferencing

c. Both A and B

d. Neither A nor B

c. What is beneficial about transmitting data over 1-pair voice-grade UTP?

6c1.) What transmission medium do ALL DSL services use?

a. One-pair data-grade UTP

b. Two-pair data-grade UTP

c. One-pair voice-grade UTP

d. None of the above

6c2.) Which of the following already runs to nearly all customer premises?

a. 4-pair UTP

b. 1-pair VGUTP

c. 1-pair DGUTP

d. 2-pair DGUTP

d. What equipment does the customer need in his or her home for ADSL??

6d1.) In ADSL, the customer should have _________.

a. Splitters

b. An A DSL modem

c. Both A and B

d. Neither A nor B

6d2.) In ADSL, the residential customer needs a(n) _________.

a. DSLAM

b. ADSL modem

c. Both A and B

d. Neither A nor B

e. What is the purpose of the DSLAM?

6e.) For ADSL service, which of the following typically must be added to the telephone system?

a. A DSLAM

b. A transmission line to the customer premises

c. Both A and B

f. Why is FTTH attractive?

6f.) The promise of FTTH is _________.

a. Higher speed

b. Lower cost

c. Both A and B

d. Neither A nor B

g. How are carriers attempting to reduce the cost of installing FTTH?

6g.) Fiber to the home service is normally offered by _________.

a. Cable television companies

b. Telephone companies

c. Both A and B

d. Neither A nor B