Implementing and Operating Cisco Enterprise Network Core Technologies (ENCOR) v1.2ArchitectureMedium

A network architect is designing a wireless LAN for a new high-rise office building. The design must support high-density user environments, provide seamless roaming, and ensure robust security for corporate and guest access. Which WLAN deployment model is most appropriate for these requirements?

  1. AAutonomous AP deployment
  2. BCloud-managed AP deployment
  3. CAd-hoc wireless network
  4. DController-based AP deployment
Show answer & explanation

Correct answer: D. Controller-based AP deployment

A controller-based AP deployment provides centralized management, automated RF management, seamless roaming, and robust security features essential for a high-density, secure, and scalable enterprise WLAN in a high-rise office building. Cloud-managed APs are also a strong contender but 'controller-based' explicitly covers on-premise dedicated controllers which are often preferred for very large or specific enterprise requirements.

Why the other options are wrong

  • A. Autonomous APs are managed individually and do not scale well for high-density environments requiring seamless roaming and centralized control.
  • B. Cloud-managed APs offer centralized management and scalability, but 'controller-based' explicitly covers solutions with dedicated on-premise controllers, which are often used in very large enterprise deployments for specific control and security needs.
  • C. Ad-hoc networks are peer-to-peer, lack centralized management, security, and scalability, making them unsuitable for an enterprise WLAN.

WLAN Deployment Models

Different architectures for deploying wireless networks, each with varying levels of scalability, management complexity, and feature sets.

  • Autonomous APs: Standalone, suitable for small deployments.
  • Controller-based APs: Centralized management, scalability, advanced features for large enterprises.
  • Cloud-managed APs: Centralized management via cloud platform, flexible, scalable.

Memory trick: WLAN Models: Connecting with APs, Control, or Cloud.

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