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Asynchronous Transfer Mode (ATM) Passive Optical Networks (PONs)

Table of Contents:
Definition and Overview
1. The Case for Fiber-Optic Access
2. How ATM PONs Work
3. Benefits of ATM–PONs
4. Technology Comparison with xDSL
5. Full-Service Access Network Initiative
6. Major Players
7. The Future of ATM PONs
Self-Test
Glossary
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Self-Test
1. Which method is better suited to handle bursty traffic?
a. circuit switching
b. ATM
2. Which organization is currently responsible for international signaling and interface standards?
a. ITU
b. CCITT
3. In ATM networks all information is formatted into fixed-length cells consisting of _____ bytes.
a. 48
b. 64
4. The basic connection unit in an ATM network is known as the _____.
a. virtual channel connection
b. virtual path connection
5. Which virtual circuit connection is the preferred mode of operation in an ATM network?
a. permanent virtual circuits
b. switched virtual circuits
6. CBR is used for _____.
a. multimedia e-mail
b. videoconferencing
7. Which ATM networking standard supports the greater range of features?
a. P–NNI
b. B–ICI
8. In ATM LAN emulation, most unicast LAN traffic moves directly between clients over _____.
a. servers
b. direct ATM SVCs
9. The initial MPEG standard (MPEG1) was targeted at _____.
a. VHS–quality video and audio
b. broadcast-quality video and audio
10. ATM timing requirements feature _____ elements.
a. 3
b. 4
c. 64
Glossary >>

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