Wireless Networks have low transmission rates than Fixed Networks.

• True

• False

Smoke signals for communication were used in _____

• 150 DC

• 150 BC

• 1950

• 1950 BC

PAN means ____

• Personal Area Network

• Protective Area Network

• Personnel Area Network

• Patched Area Network

Which layer handles "Encryption" in Mobile Communication?

• Physical Layer

• Network Layer

• Transport Layer

• Application Layer

EHF means _____

• Electromagnetic High Frequency

• Extra-High Frequency

• Electrical High Frequency

• Empty High Frequency

Which one is an example of Signal Propagation?

• fading

• shadowing

• diffraction

• all of them

Signal can take many different paths between sender and receiver due to ___________

• reflection

• scattering

• diffraction

• all of them

Multiplexing has ____ dimensions.

• 3

• 4

• 5

• 6

The goal of Multiplexing is multiple uses of a shared medium.

• True

• False

No dynamic coordination is necessary for Frequency multiplex.

• True

• False