Consumers have a couple of options for high-speed Internet access. Digital subscriber lines (DSL) are one of them. Test your DSL knowledge in our quiz!
What kind of cables connect DSL modems to the Internet?
- Regular telephone cables
- A coaxial cable
- USB cables
What is the main drawback for ADSL modems?
- You can't use a telephone while you use the modem.
- DSL modems require extensive rewiring.
- The farther you are from the local switching office, the slower your connection will be.
What is an asymmetric DSL line?
- A fiber-optic cable that carries DSL signals to and from a service provider.
- A DSL line that provides more bandwidth for downloading information than for uploading data.
- A cable that is almost, but not quite, long enough to reach from your wall to your computer.
What is the official standard for ADSL called?
- Discrete multitone (DMT)
- Carrierless amplitude/phase (CAP)
- Digital signal amplitude (DSA)
What is the name of the device you connect to regular phone outlets that blocks ADSL signals?
- Signal modulator
- Low-pass filter
- Polarity inverter
What is a DSL Access Multiplexer (DSLAM)?
- A router
- A custom-made roller coaster at the Googleplex
- A device a service provider uses to collect incoming DSL signals
What is the distance limit for ADSL service?
- 9,000 feet
- 18,000 feet
- 21,000 feet
How many frequency bands are in a CAP DSL system?
What's another name for a DSL modem?
- Digital Internet tuner
- Network hub
There are two kinds of cables commonly used to connect a DSL modem to a computer. One is a USB cable. What's the other?
- Ethernet cables
- Coaxial cables
- Firewire cables