Cisco IP Phone and Wireless Infrastructure Design Quiz
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Questions and Answers

Which action helps minimize interference and optimize performance in an 802.11b wireless infrastructure?

  • Disabling Transmission Control Protocol (TCP)
  • Configuring access points to provide clients with a maximum of 5 Mbps
  • Allocating non-overlapping channels to nearby access points (correct)
  • Setting the maximum data rate to 54 Mbps
  • Why is it important to allocate non-overlapping channels to access points in close physical proximity in an 802.11b wireless infrastructure?

  • To improve the power efficiency of the access points
  • To increase the data rate for wireless devices
  • To minimize interference from other devices operating in the 2.4 GHz band (correct)
  • To prioritize signal negotiation with attached wireless devices
  • What is a significant concern when deploying an 802.11b wireless infrastructure in terms of signal quality?

  • Over-provisioning channels for access points
  • Signal degradation due to interference from other devices (correct)
  • Enabling TCP negotiation for all access points
  • Maximizing data rates for all connected clients
  • How does allocating non-overlapping channels benefit an 802.11b wireless infrastructure?

    <p>It minimizes interference and ensures better performance</p> Signup and view all the answers

    What is a potential consequence of not allocating non-overlapping channels to nearby access points in an 802.11b wireless infrastructure?

    <p>Higher likelihood of signal congestion and interference</p> Signup and view all the answers

    How does interference from other devices in the 2.4 GHz band affect the performance of an 802.11b wireless network?

    <p>It degrades signal quality and reduces data throughput</p> Signup and view all the answers

    What is the significance of using non-overlapping channels in a wireless network?

    <p>To reduce interference between neighboring access points</p> Signup and view all the answers

    How does interference affect the optimal performance of a wireless network?

    <p>Interference decreases the data transmission speed</p> Signup and view all the answers

    Which factor plays a crucial role in ensuring a stable radio signal strength in a WLAN?

    <p>The presence of physical obstacles in the signal path</p> Signup and view all the answers

    In the context of 802.11b wireless infrastructure, what is a common misconception about SSIDs?

    <p>Each access point in a WLAN broadcasts the same SSID</p> Signup and view all the answers

    How does hiding an SSID impact the user experience in a WLAN?

    <p>It makes it more challenging for users to connect to the network</p> Signup and view all the answers

    What role does the channel width selection play in optimizing a wireless network's performance?

    <p>It helps increase data transmission speed</p> Signup and view all the answers

    What is the main benefit of centralized authentication in a wireless network?

    <p>Maintaining consistent policies and security for users</p> Signup and view all the answers

    How does a Wireless LAN Controller (WLC) contribute to roaming in a wireless network?

    <p>Seamlessly handing off connections between APs</p> Signup and view all the answers

    What is the primary function of a LAN switch in a network infrastructure?

    <p>Handling wired network traffic efficiently</p> Signup and view all the answers

    Which type of IPv6 address must be assigned to a device to ensure it is reachable only from the internal network?

    <p>Unique local address</p> Signup and view all the answers

    What is a crucial requirement for nonoverlapping Wi-Fi channels?

    <p>Ensuring channels do not overlap in frequency</p> Signup and view all the answers

    Which set of nonoverlapping wireless channels is considered standard in the United States?

    <p>Channels 1, 6, and 11</p> Signup and view all the answers

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