Internet of Things Flash

Front

What is the wavelength of Very High Frequency (VHF)?

Back

1m - 10m

Front

Which letter represents the wavelength? Options: A, B, C, D

Back

A

Front

What does letter B represent?

Back

Amplitude

Front

What type of antenna is used on most mobile IoT devices?

Back

Dipole

Front

What is considered optimum total antenna length for mobile wireless devices?

Back

1/2 Wavelength

Front

Which antenna provides the greatest range at line of sight? Options: Omnidirectional, Bidirectional, Directional

Back

Directional

Front

Which of the following has the highest frequency in the electromagnetic spectrum? Infra-red, X-Rays, Radio Waves, Microwaves

Back

X-Rays

Front

Which of the following statements of Duplex M2M communication is true?

• Must alternate between sending and receiving communications
• Can send and receive simultaneously in parallel

Back

Can send and receive simultaneously in parallel

Front

Which commonly used battery technology is considered to have the highest gravimetric energy density and volumetric energy density? Options: Lead Acid, Li-ion, Ni-MH, Ni-Cd

Back

Li-ion

Front

Which commonly used battery technology is the most liable to the “memory effect”?
Options: Lead Acid, Li-ion, Ni-MH, Ni-Cd

Back

Ni-Cd