Introduction to Mobile Computing

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Questions and Answers

What does mobile communication infrastructure include?

  • Protocols, services, bandwidth, and portals (correct)
  • Satellites, fiber optics, transceivers, and modems
  • Hardware, software, cables, and routers
  • Antennas, transmitters, receivers, and amplifiers

What ensures there is no collision with other existing systems in mobile communication?

  • Increasing the power of radio waves
  • Using unguided media
  • Implementing multiple access points
  • Defining the data format (correct)

How is the overlaying infrastructure in mobile communication oriented?

  • Satellite-oriented
  • Microwave-oriented
  • Radio wave-oriented (correct)
  • Fiber optic-oriented

What type of signals are carried over the air in mobile communication?

<p>Signals capable of being received and sent by similar devices (A)</p> Signup and view all the answers

What is the purpose of the mobile communication infrastructure?

<p>To ensure seamless and reliable communication (D)</p> Signup and view all the answers

Unattended operation of ______. Other terminology self-organization is the ability to adapt configuration parameters based on system and environmental state, self-optimization is the ability to monitor and optimize the use of the limited system resources, self-protection is the ability to recognize and protect from intrusions and attacks, self-healing is the ability to discover, identify, and react to network disruptions. Challenges in WSNs: Wireless Networks Wireless communication faces a variety of challenges Attenuation: limits radio range. Multi-hop communication: increased latency.

<p>WSN must operate without human intervention, device adapts to changes in [topology], density, and traffic load, device adapts in response to failures</p> Signup and view all the answers

Self-organization is the ability to adapt configuration parameters based on system and environmental [state]

<p>self-organization is the ability to adapt configuration parameters based on system and environmental state</p> Signup and view all the answers

Self-optimization is the ability to monitor and optimize the use of the limited system [resources]

<p>self-optimization is the ability to monitor and optimize the use of the limited system resources</p> Signup and view all the answers

Self-protection is the ability to recognize and protect from [intrusions] and attacks

<p>self-protection is the ability to recognize and protect from intrusions and attacks</p> Signup and view all the answers

Multi-hop communication: increased [latency]

<p>Multi-hop communication: increased latency</p> Signup and view all the answers

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