TCP Performance in Wireless Networking

Which of the following statements is true about the relationship between frequency and range of wireless signals?

• (A) Higher frequencies have a shorter range and can carry less data.

• (B) Higher frequencies have a longer range and can carry more data.

• (C) Lower frequencies have a shorter range and can carry less data.

• (D) Lower frequencies have a longer range and can carry more data.

What does the snooze state in TCP-F involve?

• A) Continuing data transmissions at a reduced rate.

• B) Pausing the retransmission timer.

• C) Completely stopping data transmissions temporarily.

Which of the following is a challenge specific to wireless systems, not typically encountered in wired systems?

• A) Limited bandwidth

• B) Physical connection constraints

• C) Immunity to signal interference

• D) Signal attenuation over long distances

Which of the following is a characteristic of wireless systems compared to wired systems?

• A) Consistent and higher transmission rates

• B) Immunity to signal interference

• C) No limitations on transmission distance

• D) Requirement of physical connections

Which of the following is a challenge specific to wireless systems?

• A) Unlimited transmission distance

• B) Immunity to signal interference

• C) Higher transmission rates than wired systems

• D) Susceptibility to unauthorized access

Draw a diagram illustrating the signal propagation in a wireless communication system, showing the transmission from a transmitter to a receiver. Include the key components involved in the process.

Which of the following factors contributes to the hidden terminal problem in wireless LANs?

• A) Physical obstructions

• B) Wired connections

• C) Signal amplification

• D) Data encryption

Why does CSMA/CD not work well in wireless LANs?

• A) Limited bandwidth

• B) Susceptibility to unauthorized access

• C) Hidden terminal problem

• D) Immunity to signal interference

What is multipath propagation?

• A) The reflection of radio signals off solid objects

• B) The interference between multiple wireless devices

• C) The blurring of signals during data transmission

• D) The process of signal fading in wireless communication

Multipath propagation occurs when radio signals reflect off ________ objects, creating multiple paths of different lengths between a sender and receiver.