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Digital Subscriber Line Access Multiplexer (DSLAM)

Table of Contents:
Definition and Overview
1. DSL Background
2. DSL Services, Their Applications, and Market Segments
3. Remoteability
4. The Importance of QoS in the Local Loop
5. Voice over DSL (VoDSL)
6. The Importance of Rapid Deployment
Self-Test
Glossary
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Self-Test
1. Which of the following is expected to take the largest share of the three DSL varieties?
a. SDSL
b. ADSL
c. IDSL
2. Which of the following is expected to be most popular with businesses and teleworkers?
a. SDSL
b. ADSL
3. Which of the following is ideal for the price-sensitive portion of the small-office/home-office (SOHO) market?
a. SDSL
b. ADSL
c. IDSL
4. To offer a menu of DSL services cost effectively, carriers must deploy these services from a single integrated DSLAM platform.
a. true
b. false
5. At present, high-quality voice can only be sent over TDM–based networks.
a. true
b. false
6. Which of the following protocols is better for enabling multimedia applications and differentiated service levels?
a. ATM
b. IP
7. Which of the following commands over 90 percent of telecom revenue?
a. voice
b. data
8. With packetized voice, only one network connection and one service provider must be managed.
a. true
b. false
9. Time is the most valuable commodity in the DSL industry.
a. true
b. false
10. Lab trials will be able to determine if interoperability is seamless among CPE, DSLAMs, and gateways when rolling out VoDSL.
a. true
b. false

Glossary >>

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