350-401 · Question #486
Which two operational modes enable an AP to scan one or more wireless channels for rogue access points and at the same time provide wireless services to clients? (Choose two.)
The correct answer is C. FlexConnect D. Local. AP Operational Modes: Rogue Detection While Serving Clients FlexConnect (C) and Local (D) are the two modes that allow an AP to simultaneously serve wireless clients and perform background scanning for rogue APs. In Local mode, the AP serves clients on its assigned channel while
Question
Options
- ARouge detector
- BSniffer
- CFlexConnect
- DLocal
- EMonitor
How the community answered
(42 responses)- A2% (1)
- B7% (3)
- C88% (37)
- E2% (1)
Explanation
AP Operational Modes: Rogue Detection While Serving Clients
FlexConnect (C) and Local (D) are the two modes that allow an AP to simultaneously serve wireless clients and perform background scanning for rogue APs. In Local mode, the AP serves clients on its assigned channel while periodically scanning other channels during quiet periods using a feature called off-channel scanning. FlexConnect mode offers the same dual capability but is designed for branch offices where the AP can locally switch traffic even if the WLC connection drops.
Why the distractors are wrong:
- Rogue Detector (A): This mode dedicates the AP entirely to detecting rogues by monitoring wired traffic - it provides no wireless client services.
- Sniffer (B): This mode captures all wireless packets on a channel and forwards them to a protocol analyzer (like Wireshark) - it does not serve clients.
- Monitor (E): This mode dedicates the AP entirely to passive scanning across all channels - it serves no clients whatsoever.
Memory Tip: Think of it this way - "Local and Flex = Full Service + Flex time to scan." The three "dedicated" modes (Monitor, Sniffer, Rogue Detector) give up client service entirely to focus on a single task, while Local and FlexConnect keep clients connected as their primary job.
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