Network+ Guide to Networks Chapter 5 - RQ
Statistical multiplexing
Which kind of multiplexing assigns slots to nodes according to priority and need?
MT-RJ
Which of the following connectors is the most common for multimode fiber?
Ethernet
Which of the following is not an example of a broadband transmission?
amplitude
A measure of a signal's strength at any given time is known as which term below?
40
WDM divides a beam of light into how many different wavelengths or colors?
sheath
What term below is used to describe the outer-most layer of protective covering of a coaxial cable?
75 ohms
Which option below reflects the standard impedance of an RG-6 cable?
Cat 6
What is the earliest twisted-pair cabling standard that meets the minimum requirements for 10GBase-T transmissions?
4
How many cable pairs are needed for 1000Base-T transmission over CAT5e cable?
FDM
Phone companies make use of what type of multiplexing in order to allow for phone services and DSL services over the same line?
broadband
Since cable TV and cable Internet can share the same coaxial cable, they are considered to be what type of technology?
15.4 watts
Standard PoE devices must be provided with how much power in order to function?
DWDM
The most common multiplexing technology used in conjunction with fiber optics is which option below?
frequency
The number of times that a wave's amplitude cycles from its starting point, through its highest amplitude and its lowest amplitude, and back to its starting point over a fixed period of time, is known as what term below? amplitude
multiplexing
Using a form of transmission that allows multiple signals to travel simultaneously over one medium is known as which of the following options?
10Base2
What Ethernet standard below is also referred to as "thinnet"?
Amplifier, repeater
What device can boost an analog signal? A digital signal?
near end cross talk
What type of cross-talk occurs between wire pairs near the source of a signal?
Simplex, simplex, half-duplex
When an Ethernet NIC has been configured by the OS to use half-duplex, the transmit pair of the twisted-pair cable uses _____ transmissions, the receive pair in the cable uses ____ transmissions, and the twisted-pair cable uses ______ transmissions.
Cat 5e and higher
Which categories of twisted-pair cable can support Gigabit Ethernet?
Probe
Which part of a toner and probe kit emits a tone when it detects electrical activity on a wire pair?
NEXT
Which type of cross-talk occurs between wire pairs near the source of a signal?
CWDM
Which type of multiplexing is defined by wavelength instead of frequency?
Analog
Which type of transmission is measured by baud rate?
A modem
A device that is responsible for modulating digital signals into analog signals, and demodulating analog signals into digital signals at the receiving end, is known as?
baseband
Ethernet is an example of what type of technology?
40km
What is the maximum distance for 10GBase-ER and 10GBase-EW on a segment of single mode fiber?
10 Gbps
What is the maximum supported throughput of a CAT6 cable?
Cat 5e
What is the minimum category of UTP cable required in order to support Gigabit speeds?
Coaxial cable, coaxial cable, F-connector
What kind of cable uses BNC connectors? F-connectors? Which connector is likely to be used by cable TV?
