NTC 247 Week 1 Individual: Week One Quiz

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 NTC 247 Week 1 Individual: Week One Quiz
 

Complete the Week One quiz.

Submit your quiz using the Assignment Files tab above.

Week One Quiz

 

 

 

 

Common building materials, such as drywall and glass, will impede RF propagation to some degree.
 

 

True
 

 

False
 

 

 

 

 

 

__________ is the result of an RF signal striking an object, not passing through, nor being absorbed nor refracted or even diffracted.
 

 

Scattering
 

 

Free Space Path Loss
 

 

Reflection
 

 

Gain
 

 

 

 

 

 

The transmitter generates the AC signal to begin RF communications.
 

 

True
 

 

False
 

 

 

 

 

 

The __________ in a bridged network will be the source of the greatest loss in the transmission.
 

 

Multipath
 

 

Free Space Path Loss
 

 

Cable induced loss
 

 

Transmit strength (amplitude)
 

 

 

 

 

 

A vertically polarized antenna has a vertical beamwidth.
 

 

True
 

 

False
 

 

 

 

 

 

A/AN__________ antenna is considered to have 360 degrees of coverage?
 

 

Isotropic radiator
 

 

Omni-Directional
 

 

High Gain Yagi
 

 

Low Gain Grid
 

 

 

 

 

 

802.11n specifies CTS-to-Self as a protection method.
 

 

True
 

 

False
 

 

 

 

 

 

If all but one of the members of a service set are 802.11n capable devices __________ must be used to allow legacy client coexistence.
 

 

Mode 0
 

 

Mode 4
 

 

Mode 3
 

 

Mode 1
 

 

 

 

 

 

What types of antenna arrays are used in beamforming under 802.11n? (Choose two)
 

 

Phased Array
 

 

Switched Array
 

 

Adaptive Array
 

 

MIMO Array
 

 

SISO Array
 

 

 

 

 

 

SISO wireless clients can not connect to MIMO access points.
 

 

True
 

 

False
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