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amplitude
Using DWDM, a single fiber can carry between what two numbers of channels?
a.
60
b.
80
c.
160
d.
200
80
c.
160
What two items below are commonly expressed as bits transmitted per second?
a.
frequency
b.
amplitude
c.
throughput
d.
bandwidth
throughput
d.
bandwidth
8. What two connector types are typically used to terminate RG-6 and RG-59 cables?
a.
f-connectors
b.
BNC
c.
ST couplers
d.
J-hooks
a.
f-connectors
b.
BNC
Frequencies used to convey speech over telephone lines fall between what two frequencies below?
a.
100 Hz
b.
300 Hz
c.
3.3 KHz
d.
5.5 KHz
300 Hzc.
3.3 KHz
What is the maximum supported throughput and bandwidth / signal rate of Cat 5e?
a.
100 Mbps
b.
1000 Gbps
c.
100 MHz
d.
350 MHz
1000 Gbpsd.
350 MHz
What term below is used to describe the outer-most layer of protective covering of a coaxial cable?
a.
sheath
b.
shield
c.
braiding
d.
insulation
sheath
What Ethernet standard below is also referred to as “thinnet”?
a.
100Base2
b.
10Base2
c.
100BaseT
d.
10BaseT
10Base2
What is the minimum category of UTP cable required in order to support Gigabit speeds?
a.
Cat 3
b.
Cat 5
c.
Cat 5e
d.
Cat 6
Cat 5e
. What is the maximum supported throughput of a CAT6 cable?
a.
100 Mbps
b.
1 Gbps
c.
10 Gbps
d.
100 Gbps
10 Gbps
20. How many cable pairs are needed for 1000Base-T transmission over CAT5e cable?
a.
2
b.
4
c.
6
d.
8
b.
4
Standard PoE devices must be provided with how much power in order to function?
a.
5 watts
b.
12 watts
c.
15.4 watts
d.
25.5 watts
15.4 watts
What is the maximum distance for 10GBase-ER and 10GBase-EW on a segment of single mode fiber?
a.
550m
b.
300m
c.
10km
d.
40km
40km
What type of cross-talk occurs between wire pairs near the source of a signal?
a.
far end cross talk
b.
near end cross talk
c.
alien cross talk
d.
pair migration cross talk
near end cross talk
Which of the following connectors is the most common for multimode fiber?
a.
ST
b.
SC
c.
FC
d.
MT-RJ
MT-RJ
A measure of a signal’s strength at any given time is known as which term below?
a.
amplitude
b.
frequency
c.
phase
d.
wavelength
amplitude
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?
a.
amplitude
b.
frequency
c.
wavelength
d.
phase
frequency
WDM divides a beam of light into how many different wavelengths or colors?
a.
10
b.
20
c.
30
d.
40
40
. Which type of multiplexing is defined by wavelength instead of frequency?
a.
CWDM
b.
DWDM
c.
WDM
d.
FDM
CWDM
. Which option below reflects the standard impedance of an RG-6 cable?
a.
50 ohms
b.
60 ohms
c.
65 ohms
d.
75 ohms
75 ohms
Phone companies make use of what type of multiplexing in order to allow for phone services and DSL services over the same line?
a.
WDM
b.
FDM
c.
DWDM
d.
CWDM
FDM
The most common multiplexing technology used in conjunction with fiber optics is which option below?
a.
DWDM
b.
CWDM
c.
FDM
d.
WDM
DWDM
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?
a.
A modem
b.
A transceiver
c.
A demuxer
d.
A multiplexer
A modem
Ethernet is an example of what type of technology?
a.
broadband
b.
baseband
c.
wideband
d.
narrowband
baseband
34. Since cable TV and cable Internet can share the same coaxial cable, they are considered to be what type of technology?
a.
broadband
b.
baseband
c.
narrowband
d.
wideband
a.
broadband
35. Using a form of transmission that allows multiple signals to travel simultaneously over one medium is known as which of the following options?
a.
embedding
b.
multiplexing
c.
coupling
d.
modulating
b.
multiplexing
achieves 1 Gbps over Cat 6 or better cabling using only two
pairs of wires.
1000Base-TX
ANSWER:
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