International Engineering Consortium
Web ProForums
Home / On-Line Education / Web ProForums
Internet Access

Table of Contents:
Definition and Overview
1. Where Is Access in the Network?
2. Access Evolution Drivers
3. An Overview of Access Alternatives
4. Twisted-Pair Solutions
5. Twisted-Pair Access—Remote
6. Fiber and Coax
7. Wireless
8. All Fiber—PON
9. All Fiber—SONET
10. Conclusion
Self-Test
Glossary
Download PDFPDF of this tutorial
Self-Test
1. HFC is a(n) ____________ technology.
a. twisted-pair
b. wireless
c. coax and fiber
d. all fiber
2. LMDS is a(n) _______________ technology.
a. twisted-pair
b. wireless
c. coax and fiber
d. all fiber
3. SONET is a(n) _______________ technology.
a. twisted-pair
b. wireless
c. coax and fiber
d. all fiber
4. ISDN is a(n) ______________ technology.
a. twisted-pair
b. wireless
c. coax and fiber
d. all fiber
5. Fiber/coax systems are the access media used by the vast majority of individual residential users.
a. true
b. false
6. The earliest Internet traffic was primarily text-based traffic.
a. true
b. false
7. Wireless Internet has two origins: satellite systems and cellular.
a. true
b. false
8. The predominant access system for business users is twisted pair.
a. true
b. false
9. Currently, VBD modems run primarily at 144 kbps.
a. true
b. false
10. XDSL modems offer higher rates but only for customers who are relatively close to a provider's xDSL modem.
a. true
b. false
11. ISDN operates with a ______________ connection speed.
a. 33.6–kbps
b. 16–kbps
c. 14.4–kbps
d. 128–kbps
12. How many main standards does ADSL have?
a. 1
b. 2
c. 3
d. 4
13. How far can good twisted-pair lines support ADSL–1 rates?
a. 6,000 ft
b. 12,000 ft
c. 18,000 ft
d. 24,000 ft
14. Currently, PCS is ______________ of providing Internet access.
a. capable
b. not capable
15. Internet access via microwave transmission is ________________ by MMDS and LMDS.
a. provided
b. not provided
16. The initial costs associated with the deployment of the passive optical network _______________.
a. are high
b. are low
17. PON systems are primarily designed to provide ___________ services.
a. residential
b. corporate
18. The European-based standard for all-fiber access systems is ______________.
a. SDH
b. ADH
19. Which transfer mode multiplexers combine individual data streams into a single high-speed cell stream?
a. synchronous
b. asynchronous
20. Encryption-based VPNs _______________________.
a. synchronous
b. asynchronous

Glossary >>

Copyright © 2007 International Engineering Consortium
Terms of Use | Privacy Statement | Site Map
Registered Users
Enjoy exclusive access to free On-Line Education and receive the biweekly IEC newsletter.
IEC Newsletter
Get the latest industry information including critical insights from key industry leaders, technology briefings, and an Analyst Corner.
Current
Subscribe
Newsroom
IEC News
November 18, 2008
IEC Provides Next-Generation Solutions at GSMA Mobile Asia Congress 2008 with Two World-Class Carrier and Content Panels Today
November 10, 2008
International Engineering Consortium (IEC) and International CTIA Wireless 2009 Partner to Provide Fixed-Mobile Convergence Solutions and Transform Networks
October 16, 2008
The IEC and Belgacom Achieve Record Attendance Together at Broadband World Forum Europe 2008 and Co-Located 35th Annual ICT Symposium
October 03, 2008
IEC Announces Broadband World Forum Europe 2009 in Paris with Official Host Sponsor France Telecom-Orange
October 01, 2008
Telefónica S.A. Chief Operating Officer, Julio Linares Named IEC Fellow at Broadband World Forum Europe 2008 in Brussels
October 01, 2008
IEC 'Delivers the Promise' and Bucks the Tradeshow Trend with Record-Breaking Broadband World Forum Europe 2008
IEC on Radio
IEC on radio Tele-Semana, commentary on NXTComm 2007 and future IEC programming.
IEC on TV
CCTV Highlights Broadband World Forum Asia 2007
BBWF Asia Comes to China

View all Press Releases
On-line Press Kit
IEC Corporate Member
Advertising Kit
Overview
IEC.org Web Banner Ads
Event Web Banner Ads
E-Newsletters
Exhibit Preview
TecPreview