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Questions and Answers
Why do wireless LANs and wired LANs use different protocols for medium access control?
Why do wireless LANs and wired LANs use different protocols for medium access control?
- The radio spectrum for wireless communication is highly regulated, limiting protocol options.
- Wired LANs do not require any security measures like encryption.
- In a wireless LAN, frames may not reach all devices connected to the LAN. (correct)
- Collisions are not possible in wireless networks.
Why is CSMA/CD not preferred for wireless networks?
Why is CSMA/CD not preferred for wireless networks?
- It is not a secure protocol that encrypts communication. (correct)
- It does not work well with WiFi technology.
- It is highly regulated by authorities.
- Collision prevention is not a concern in wireless networks.
What makes the usage of a 'random access' protocol challenging in wireless communication?
What makes the usage of a 'random access' protocol challenging in wireless communication?
- CSMA/CA causes more collisions than CSMA/CD.
- Wired LANs have different requirements than wireless LANs.
- The radio spectrum is a limited resource regulated by authorities. (correct)
- Random access protocols don't work well with WiFi technology.
Why can't collisions be allowed to happen on a wireless network?
Why can't collisions be allowed to happen on a wireless network?
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What factor determines the choice of MAC protocol for wired LANs and wireless LANs?
What factor determines the choice of MAC protocol for wired LANs and wireless LANs?
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How does the limited radio spectrum impact the choice of MAC protocols in wireless networks?
How does the limited radio spectrum impact the choice of MAC protocols in wireless networks?
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