CIS 320 Exam 2 Questions & Answers
(Grade A+)
Wireless LAN standards such as WIFI operate at: (may be multiple
answers)
Layer 1
layer 2
layer 3
layer 4 -
correct answer ✅Layer 1
Layer 2
Which of the following statements are true regarding low and high
frequency RF transmissions? (requires multiple answers)
High frequency RF has low data throughput
Low frequency RF will travel long distances
Low frequency RF has low data throughput
High frequency RF requires line-of-sight -
correct answer ✅Low frequency RF will travel long distances
Low frequency RF has low data throughput
High frequency RF requires line-of-sight
Which of the following propagation/distortion issues is a result of
clouds?
,CIS 320 Exam 2 Questions & Answers
(Grade A+)
EMI
inverse square law of attenuation
shadow zone
absorptive attenuation -
correct answer ✅absorptive attenuation
Which of the following propagation/distortion issues is a result of
other RF signals?
EMI
absorptive attenuation
shadow zone
inverse square law of attenuation -
correct answer ✅EMI
Which of the following propagation/distortion issues is a result of
increasing distance of a wireless device from an antenna?
EMI
absorptive attenuation
inverse square law of attenuation
shadow zone -
correct answer ✅inverse square law of attenuation
, CIS 320 Exam 2 Questions & Answers
(Grade A+)
Which of the following propagation/distortion issues is a result of
walls/buildings?
EMI
shadow zone
absorptive attenuation
inverse square law of attenuation -
correct answer ✅shadow zone
My frequency band begins at 100.0 Mhz and ends at 125.0 Mhz.
What is my bandwidth?
25 Mhz
125 Mhz
25 Khz
25 Hz -
correct answer ✅25 Mhz
The 802.11ax standard operates on which frequency band(s)?
5 Ghz
2.4 Ghz
(Grade A+)
Wireless LAN standards such as WIFI operate at: (may be multiple
answers)
Layer 1
layer 2
layer 3
layer 4 -
correct answer ✅Layer 1
Layer 2
Which of the following statements are true regarding low and high
frequency RF transmissions? (requires multiple answers)
High frequency RF has low data throughput
Low frequency RF will travel long distances
Low frequency RF has low data throughput
High frequency RF requires line-of-sight -
correct answer ✅Low frequency RF will travel long distances
Low frequency RF has low data throughput
High frequency RF requires line-of-sight
Which of the following propagation/distortion issues is a result of
clouds?
,CIS 320 Exam 2 Questions & Answers
(Grade A+)
EMI
inverse square law of attenuation
shadow zone
absorptive attenuation -
correct answer ✅absorptive attenuation
Which of the following propagation/distortion issues is a result of
other RF signals?
EMI
absorptive attenuation
shadow zone
inverse square law of attenuation -
correct answer ✅EMI
Which of the following propagation/distortion issues is a result of
increasing distance of a wireless device from an antenna?
EMI
absorptive attenuation
inverse square law of attenuation
shadow zone -
correct answer ✅inverse square law of attenuation
, CIS 320 Exam 2 Questions & Answers
(Grade A+)
Which of the following propagation/distortion issues is a result of
walls/buildings?
EMI
shadow zone
absorptive attenuation
inverse square law of attenuation -
correct answer ✅shadow zone
My frequency band begins at 100.0 Mhz and ends at 125.0 Mhz.
What is my bandwidth?
25 Mhz
125 Mhz
25 Khz
25 Hz -
correct answer ✅25 Mhz
The 802.11ax standard operates on which frequency band(s)?
5 Ghz
2.4 Ghz
