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Zorluk: OrtaWireless Principles and Architecture

A network administrator is evaluating the division of responsibilities in a Cisco Split-MAC wireless architecture. Which two functions are performed directly by the Lightweight Access Point (LAP) in real time? (Select two.)

  1. Transmitting 802.11 beacon and probe response framesCevap
  2. Executing real-time 802.11 frame encryption and decryptionCevap
  3. C
    Processing 802.1X/EAP client authentication requests
  4. D
    Calculating dynamic channel and power allocations using Radio Resource Management
  5. E
    Translating 802.11 wireless frames to 802.3 Ethernet frames in local mode

Cevap

The two functions performed directly by the Lightweight Access Point are transmitting 802.11 beacon and probe response frames, and executing real-time 802.11 frame encryption and decryption.
In Cisco Split-MAC architecture, time-sensitive real-time tasks are performed directly by the Lightweight Access Point (LAP). These include transmitting 802.11 beacons, responding to probe requests, and performing hardware encryption/decryption of RF frames. Management, authentication, and global radio management are handled centrally by the WLC.

Adım Adım Çözüm

1
Analyze Split-MAC architecture roles
Split-MAC divides 802.11 protocol handling between real-time tasks (LAP) and management/control tasks (WLC).
Real-time functions require immediate RF handling and low latency.
2
Identify LAP real-time tasks
Beacon generation, probe responses, packet buffering, and MAC layer encryption/decryption are handled by the LAP.
These operations must occur instantaneously at the physical RF boundary.
3
Identify WLC centralized management tasks
802.1X authentication, RRM channel/power calculations, and frame payload translation occur at the controller.
Centralizing management provides coordinated control and security enforcement across the wireless network.

Anahtar Kavram

Cisco Split-MAC Architecture Function Division
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Wireless Principles and Architecture

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