SCTE CORRECT TEST PAPER ANSWERS AND
QUESTIONS SET A+
✔✔How many U-NII bands are available for WiFi? - ✔✔8
✔✔Which of the following is the ideal solution for connectivity issues when the AP
supports it. - ✔✔Changing the antenna to a higher gain model
✔✔What frequency does U-NII-3 band operate at? - ✔✔5.725 GHz - 5.825 GHz
✔✔Which of the following is more likely to be used in an enterprise deploy - ✔✔Radius
Security.
✔✔Which of the flowing organizations is responsible for creating WiFi standards? -
✔✔IEEE
✔✔What are two frequencies that WiFi networks use in the electromagnetic spectrum. -
✔✔2.4 GHz and 5 GHz
✔✔Which is the standard used for wireless Bluetooth customer premises networks? -
✔✔802.15
✔✔What frequency range does IEEE 802.11g standard WLANS operate? - ✔✔2.4 -
2.483 GHz
✔✔Support for which wireless frequency band was added by 802.11ax? - ✔✔5.925 -
7.125 GHz
✔✔According to the IEEE 802.11a amendment, which of the following data rates are
mandatory? - ✔✔6,9 and 24 Mbps
✔✔Which channels are considered non-overlapping in the 2.4 GHz frequency band? -
✔✔1 and 6
, ✔✔How wide is each IEEE 802.11n channel? - ✔✔20 MHz
✔✔True or False: The IEEE 802.11n specification added the support for MU-MIMO. -
✔✔False
✔✔What is the highest modulation that is supported by the IEEE 802.11ac standard? -
✔✔256 QAM
✔✔What is the maximum speed supported by IEEE 802.11ac wave 1 - ✔✔1300 Mbps
✔✔How many spatial streams are supported in the 2.4 GHz band in IEEE 802.11ax? -
✔✔4
✔✔What frequency band does 802.11ad operate? - ✔✔60 GHz
✔✔Considering a key differentiator from 802.11n, what feature of 802.11ac provides
simultaneous downstream transmitters from the AP? - ✔✔MU-MIMO
✔✔How are wavelength and frequency related to one another? - ✔✔Wavelength and
frequency are opposite of each other- the higher the frequency the shorter the
wavelength
✔✔Which 802.11 standard uses HT-OFDM to achieve its maximum date rate? -
✔✔802.11n
✔✔What happens with data rate within a wireless network? - ✔✔Fluctuates, primarily
based on the signal to noise ratio
✔✔Which of the following references two RF signals of difference power levels -
✔✔Amplitude
✔✔True/False: Most cable subscriber Wi-Fi access points use full wave dipole
antennas
A. True
B. False - ✔✔False
✔✔What is the behavior when a wireless RF signal bounces off a smooth non-
absorbing surface? - ✔✔Reflection
✔✔How many cycles or oscillations are in wavelength? - ✔✔1
QUESTIONS SET A+
✔✔How many U-NII bands are available for WiFi? - ✔✔8
✔✔Which of the following is the ideal solution for connectivity issues when the AP
supports it. - ✔✔Changing the antenna to a higher gain model
✔✔What frequency does U-NII-3 band operate at? - ✔✔5.725 GHz - 5.825 GHz
✔✔Which of the following is more likely to be used in an enterprise deploy - ✔✔Radius
Security.
✔✔Which of the flowing organizations is responsible for creating WiFi standards? -
✔✔IEEE
✔✔What are two frequencies that WiFi networks use in the electromagnetic spectrum. -
✔✔2.4 GHz and 5 GHz
✔✔Which is the standard used for wireless Bluetooth customer premises networks? -
✔✔802.15
✔✔What frequency range does IEEE 802.11g standard WLANS operate? - ✔✔2.4 -
2.483 GHz
✔✔Support for which wireless frequency band was added by 802.11ax? - ✔✔5.925 -
7.125 GHz
✔✔According to the IEEE 802.11a amendment, which of the following data rates are
mandatory? - ✔✔6,9 and 24 Mbps
✔✔Which channels are considered non-overlapping in the 2.4 GHz frequency band? -
✔✔1 and 6
, ✔✔How wide is each IEEE 802.11n channel? - ✔✔20 MHz
✔✔True or False: The IEEE 802.11n specification added the support for MU-MIMO. -
✔✔False
✔✔What is the highest modulation that is supported by the IEEE 802.11ac standard? -
✔✔256 QAM
✔✔What is the maximum speed supported by IEEE 802.11ac wave 1 - ✔✔1300 Mbps
✔✔How many spatial streams are supported in the 2.4 GHz band in IEEE 802.11ax? -
✔✔4
✔✔What frequency band does 802.11ad operate? - ✔✔60 GHz
✔✔Considering a key differentiator from 802.11n, what feature of 802.11ac provides
simultaneous downstream transmitters from the AP? - ✔✔MU-MIMO
✔✔How are wavelength and frequency related to one another? - ✔✔Wavelength and
frequency are opposite of each other- the higher the frequency the shorter the
wavelength
✔✔Which 802.11 standard uses HT-OFDM to achieve its maximum date rate? -
✔✔802.11n
✔✔What happens with data rate within a wireless network? - ✔✔Fluctuates, primarily
based on the signal to noise ratio
✔✔Which of the following references two RF signals of difference power levels -
✔✔Amplitude
✔✔True/False: Most cable subscriber Wi-Fi access points use full wave dipole
antennas
A. True
B. False - ✔✔False
✔✔What is the behavior when a wireless RF signal bounces off a smooth non-
absorbing surface? - ✔✔Reflection
✔✔How many cycles or oscillations are in wavelength? - ✔✔1
