You are considering the implementation of a lab for testing wireless equipment.
What is the primary benefit of such a lab? (Choose the single best answer.)
- A . Provides a way to repurpose old hardware that is not ready for final removal
- B . Provides a failover environment for your production systems
- C . Provides for testing to determine how much RF exposure you can tolerate
- D . Provides a safe environment in which to develop practical skills and knowledge of a technology and to test the technology
What function does the IEEE perform in relation to wireless technologies?
- A . Designs wireless chipsets
- B . Represents industry vendors
- C . Promotes technology and standards development
- D . Brings wireless products to market
What part(s) of the OSI network model does the IETF primarily focus on for the development of standards?
- A . Network Layer and above
- B . Physical Layer
- C . All layers
- D . Data Link Layer
What is the role of the ITU in wireless communications?
- A . Defines international communications standards
- B . Oversees communications regulatory agencies in each country
- C . Coordinates the shared global use of the radio spectrum
- D . Establishes wireless radiation exposure limits
What organization maintains and publishes the 802.15.4 Standard?
- A . Bluetooth SIG
- B . IETF
- C . Zigbee Alliance
- D . IEEE
What is the typical range of a wireless body area network (WBAN)?
- A . 10 meters
- B . 1-2 meters
- C . 10 centimeters
- D . 10 square meters
Which one of the following is NOT a typical Smart City application?
- A . City-wide municipal Wi-Fi
- B . Pollution monitoring
- C . Demand-based road tolling
- D . Self-driving ride sharing
You have been asked to consider smart building opportunities for your organization.
Which one of these is a benefit of smart building technology?
- A . Faster Wi-Fi connectivity
- B . Increased vacation time for building managers
- C . Reduced design and construction costs
- D . Improved operational efficiency
What best describes the area covered or connected by a WWAN?
- A . Campus
- B . Region
- C . City
- D . In-building
What is the benefit of using SINR as opposed to SNR to reference signal quality at a receiver?
- A . SNR excludes the noise floor, which skews the results
- B . SNR includes interference measurements that skew the results
- C . SINR includes interference as well as the noise floor
- D . SINR excludes interference and only measures the noise floor
What is defined as the weakening of signal amplitude as the signal passes through a medium?
- A . Attenuation
- B . Diffraction
- C . Reflection
- D . Scattering
How is ASK modulation different from FSK modulation?
- A . FSK is more sensitive to noise than ASK
- B . ASK does not work at high frequencies
- C . ASK can carry more data than FSK
- D . ASK varies the amplitude of the signal while FSK shifts its frequency
What does the number in the various Quadrature Amplitude Modulation levels, such as 16 in QAM-16 and 64 in QAM-64, indicate? (Choose the single best answer.)
- A . The number of spatial streams, which is the 1/4 the number in the QAM level
- B . The speed of data transfer, which is four times the number in the QAM level
- C . The number of target points in the QAM constellation, which are equivalent to amplitude and phase combinations
- D . The channel width, which is stipulated in MHz
What factor severely limits the range of systems operating in the 60GHz band?
- A . Atmospheric Scattering
- B . Solar Radiation
- C . Rain Fade
- D . Oxygen Fade
What consideration is found in PtMP systems that is not found in PtP systems?
- A . Interference avoidance
- B . SINR optimization
- C . Airtime management
- D . Frequency selection