Network+ Chapter 3
Question 1 |
What is the measure of a wave from crest to crest or trough to trough?
A | Wavelength |
B | Frequency |
C | DWDM |
D | Amplitude |
Question 2 |
What is the combination of 8 bits?
A | Byte |
B | Nibble |
C | Hexadecimal character |
D | IP address |
Question 3 |
What device give you the ability to place digital information over an analog signal?
A | Modem |
B | Inverter |
C | DWDM |
D | Rainbow table |
Question 4 |
Which type of transmission allows you to send simultaneously in both directions?
A | Full-duplex |
B | Half-duplex |
C | Simplex |
D | Quadroplex |
Question 5 |
What allows you to transmit multiple different signals over a single medium?
A | Multiplexing |
B | Demultiplexing |
C | Convergence |
D | Divergence |
Question 6 |
Which type of multiplexing is most common on modern fiber-optic networks?
A | DWDM |
B | TDM |
C | FDM |
D | Statistical TDM |
Question 7 |
The difference between bandwidth and throughput is that __________ involves the theoretical maximum, where ___________ describes what you actually get.
A | Bandwidth, throughput |
B | Throughput, bandwidth |
C | Bandwidth, bandwidth |
D | Throughput, throughput |
Question 8 |
Ethernet is an example of what kind of transmission?
A | Baseband |
B | Broadband |
C | Proprietary band |
D | Multiband |
Question 9 |
Which specific type of noise is mitigated by twisting cables together?
A | Noise |
B | Crosstalk |
C | EMI |
D | Attenuation |
Question 10 |
What is the loss of signal strength as it travels away from the source?
A | Attenuation |
B | Deconfliction |
C | Amplification |
D | Crosstalk |
Question 11 |
Which term describes the delay between signal transmission and receipt?
A | Latency |
B | Amplification |
C | Time to receive |
D | Time to transmission |
Question 12 |
If you knew you had to run your network media near power lines, which physical media characteristic would be most important to you?
A | Noise immunity |
B | Size and scalability |
C | Cost |
D | Throughput |
Question 13 |
Which device could you use if you need to change copper Ethernet over to fiber Ethernet?
A | Media converter |
B | Fiber replicator |
C | You can't do that goofball! |
D | Modem |
Question 14 |
Which copper cable has a higher noise resistance than category cable?
A | Coaxial |
B | Wireless |
C | Fiber |
D | SONET |
Question 15 |
What are the two categories of twisted pair cable?
A | STP and UTP |
B | CWDM and DWDM |
C | Baseband and Broadband |
D | Monolithic and Diolithic |
Question 16 |
If you discovered an RJ-11 connector, which device would it be most likely connected to?
A | Phone |
B | Router |
C | Switch |
D | SONET |
Question 17 |
Which category of fiber optic cables has a smaller core and can transmit longer distances?
A | SMF |
B | MMF |
C | DMF |
D | DTMF |
Question 18 |
Which fiber optic connector requires you to put it down and twist?
A | ST |
B | SC |
C | LC |
D | MT-RJ |
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