- How many MHz does each TV channel occupy on coaxial cable?
Your answer:
5
7
9
6
- Downstream data is data being sent away from the computer.
Your answer:
TrueFalse
- Upstream data uses 6MHz of the cable's bandwidth.
Your answer:
TrueFalse
- Which of the following is not a part of a cable modem?
Your answer:
Network Interface Card (NIC)
Modulator
Demodulator
MAC (Media Access Control)
- The ___________ receives the signal initially.
Your answer:
MAC
Modulator
Tuner
Demodulator
- MPEG synchronizer is used to:
Your answer:
time the speed of data transmission.
detect illegal downloads.
ensure the data groups stay in order.
schedule MPEG encoding.
- The modulator turns computer network data into radio-frequency signals.
Your answer:
TrueFalse
- Which processor is a common choice for cable modems?
Your answer:
Intel Pentium
PowerPC
x86
Celeron
- The Cable Modem Termination System (CMTS) ends the transmission of all data in case of an emergency.
Your answer:
TrueFalse
- How many users can a CMTS handle?
Your answer:
1,000
5,000
100
10,000
- Cable modem speeds depend on how many users are connected to the channel.
Your answer:
TrueFalse
- Cable modem speeds depend on the physical distance between the user and the central cable office.
Your answer:
TrueFalse