April 2003
Intermediate to advanced
432 pages
11h 10m
English
Content preview from End-to-End DSL Architectures
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Chapter 1
| 1: | Of the following, which xDSL types are most closely related?
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| A1: | Answer: C. They are both DMT standards. Although HDSL2 and SHDSL are both symmetric, only G.SHDSL is a standard. |
| 2: | How is analog voice traffic integrated with SDSL?
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| A2: | Answer: D. SDSL, including SHDSL, uses all frequencies on the twisted wire pair, including the lower frequencies that would otherwise be used by POTS signals. |
| 3: | DSL is considered to exist in which OSI reference model layer?
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.