QUESTION 21
What are the most appropriate channels for an 802.11a/n VoWLAN survey and deployment in the FCC domain?
A. 4 channels of UNII-1
B. 8 channels of UNII-1, and UNII-2
C. 8 channels of UNII-1, and UNII-3
D. 15 channels of UNII-2, and UNII-2 extended
E. 23 channels of UNII-1, UNII-2, UNII-2 extended, and UNII-3
F. 24 channels of UNII-1, UNII-2, UNII-2 extended, UNII-3, and ISM
Answer: C
QUESTION 22
Which two statements best describe the Fresnel zone related to an outdoor RF point-to-point link? (Choose two.)
A. single elliptical area surrounding an RF line of sight
B. multiple elliptical areas surrounding an RF line of sight
C. extends vertically
D. extends horizontally
E. extends three-dimensionally
Answer: BE
QUESTION 23
Which two statements best describe the Fresnel zone related to an outdoor RF point-to-point link? (Choose two.)
A. blocks no more than 20 percent
B. blocks no more than 40 percent
C. blocks no more than 60 percent
D. comprises a single zone to keep clear
E. comprises multiple zones of which the first inside zone is the most important to keep clear
F. comprises multiple zones of which the outside zone is the most important to keep clear
Answer: BE
QUESTION 24
Which two basic factors have the most influence on the size of the Fresnel zone of an outdoor RF point-to-point link? (Choose two.)
A. beamwidth
B. frequency
C. distance
D. horizontally polarized antenna
E. vertically polarized antenna
Answer: BC
QUESTION 25
Mesh APs are commonly mounted alongside a pole, meaning they are both vertically aligned and the pole could partially block the mesh AP RF signal. What is the maximum degree angle to allow for blockage of the antenna field of view?
A. 2 degrees
B. 5 degrees
C. 10 degrees
D. 15 degrees
Answer: B
QUESTION 26
What is the vertical height that a MAP should not exceed for proper deployment?
A. 15 ft
B. 30 ft
C. 45 ft
D. 55 ft
Answer: B
QUESTION 27
Which item is more of an issue to outdoor wireless mesh deployment than indoor?
A. Reflection
B. Scattering
C. Absorption
D. Delay spread
Answer: D
QUESTION 28
Refer to the exhibit. After performing a Layer 1 survey using Cisco Spectrum Expert, what is the result indicated by the visual screen?
A. Normal 802.11g activity
B. Microwave oven interference
C. Video camera interference
D. Bluetooth device interference
E. RF jammer
Answer: E
QUESTION 29
Refer to the exhibit. After performing a Layer 1 survey using Cisco Spectrum Expert, what is the result indicated by the visual screen?
A. Normal 802.11g activity
B. Microwave oven interference
C. Video camera interference
D. Bluetooth device interference
E. RF jammer
Answer: B
QUESTION 30
Refer to the exhibit. After performing a Layer 1 survey using Cisco Spectrum Expert, what is the result indicated by the visual screen?
A. Normal 802.11g activity
B. Microwave oven interference
C. Video camera interference
D. Bluetooth device interference
E. RF jammer
Answer: C
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