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136.
Suppose that an AP is joined to the WLC that is configured as the primary controller.
At a later time, that controller fails and the AP joins its secondary controller. Once the
primary controller is restored to service, which feature would allow the AP to rejoin it?
- A.CAPWAP Rejoin
- B.AP Failover
- C.AP Priority
- D.AP Fallback
- Answer & Explanation
- Report
Answer : [D]
Explanation :
Explanation :
| The AP Fallback feature allows APs to fall back or revert to a primary controller at any time. |
137.
A Cisco unified wireless network architecture consists of two controllers and a number of APs. The APs are distributed equally across the two controllers. Each AP is
configured with one controller as primary and the other controller as secondary.
Based on this information, which one of the following redundancy models is being
used?
- A.No redundancy.
- B.N+1 redundancy
- C.N+N redundancy
- D.N+N+1 redundancy
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| N+N redundancy is being used because there are two active controllers and no standby or backup controllers. |
138.
When a client moves its association from one autonomous AP to another, it is actually leaving and joining which one of the following?
- A.SSID
- B.BSS
- C.ESS
- D.DS
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
| The client must associate with a basic service set (BSS) offered by an AP. |
139.
Which one of the following makes the decision for a device to roam from one AP to
another?
- A.The client device
- B.The original AP
- C.The candidate AP
- D.The wireless LAN controller
- Answer & Explanation
- Report
Answer : [A]
Explanation :
Explanation :
| The client device is in complete control over the roaming decision, based on its own roaming algorithm. It uses active scanning and probing to discover other candidate APs that it might roam to. |
140.
Ten lightweight APs are joined to a wireless LAN controller. If a client roams from
one of the APs to another, which one of the following correctly describes the roam?
- A.Autonomous roaming
- B.Intercontroller roaming
- C.Intracontroller roaming
- D.Indirect roaming
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| Because a single controller is involved, the roam occurs in an intracontroller fashion. Even though the client thinks it is associating with APs, the associations actually occur at the controller, thanks to the split-MAC architecture. |
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