CCNA Plan

CCNA practice question: Network Access

Network AccessDifficulty 2/5

In a Cisco lightweight wireless architecture, which protocol carries control and data between an AP and the WLC?

  1. ALWAPP
  2. BCAPWAP
  3. CRADIUS
  4. D802.1Q
Show answer and rationale

Correct: B. Lightweight APs tunnel to the wireless LAN controller using CAPWAP (control and data channels). This is the split-MAC model.

  • A — LWAPP was the predecessor, replaced by CAPWAP.
  • C — RADIUS is used for AAA, not AP–WLC tunneling.
  • D — 802.1Q is VLAN tagging on wired trunks.

Concept being tested

VLANs and trunking, EtherChannel, Rapid PVST+, Cisco wireless architectures and WLAN configuration, physical infrastructure connections. — 20% of the exam. Study guide for Network Access.

Related questions

Practice this topic

Blueprint-mapped questions with full rationales for every choice.

Start practice

Primary references

  1. CCNA Exam v1.1 (200-301) Exam Topics — Cisco Systems · primary · retrieved 2026-09-21, verified 2026-09-21
Draft — pending editorial reviewHow we verify facts