Chapter 4- Computer Tech. 1030
Which is a faster networking cable?
100BaseT
Normal speeds of a cable modem are approximately:
1Mbps
DSL speeds range from:
256 Kbps to 1.5 Mbps
Standard voice-grade lines are designed to carry frequencies in the range of:
300 to 3300Hz.
Which of the following standards is used in wireless networking?
802.11
Which of the following is the most commonly used twisted pair cable category?
Cat 5
DSL is a combination of what two types of multiplexing?
FDM and TDM
A hub has a single input and a single output.
False
Which type of guided medium is the least susceptible to attenuation and inductance?
Fiber-optic cable
Which of the following is used to connect a computer to a network?
NIC
Which of the OSI layers is involved with a network's electrical specifications?
Physical
Which of the OSI layers is responsible for guaranteed delivery of data?
Transport
Modems convert binary digits into sounds by modulating tones.
True
Which of the following is not one of the OSI model layers?
Wireless
What factor reduces the strength of an electrical signal as it travels along a transmission medium?
attenuation
Fiber-optic cable is made of:
glass
Which is a better signal-to-noise ratio?
high
Which of the following is not a network device?
ramp
Which of the following is a LAN topology?
star
Which topology has become more popular with the advent of the Internet and home networking?
star
