Cisco
350-050 · Question #196
Two callers, using the Cisco Unified Wireless IP Phone 7921 on the same AP running autonomous Cisco IOS Software, have trouble calling each other, but the problem does not exist when they call each…
The correct answer is A. On the AP, DTIM is set to 2, Beacon Interval is set to 100, and PSPF is enabled. See the full explanation below for the reasoning.
Question
Two callers, using the Cisco Unified Wireless IP Phone 7921 on the same AP running autonomous Cisco IOS Software, have trouble calling each other, but the problem does not exist when they call each other using a wired IP phone. Signaling and call routing appear to work correctly. What else might be causing the problem?
Options
- AOn the AP, DTIM is set to 2, Beacon Interval is set to 100, and PSPF is enabled.
- BOn the AP, MFP is enabled for U-APSD, DHCP is not required, and PSPF is disabled.
- COn the AP, WMM is enabled for U-APSD, DHCP is required, and PSK is enabled.
- DOn the AP, CAC is enabled for U-APSD, P2P-blocking is enabled, and Cisco CKM is enabled.
- EOn the AP, ARP unicast is disabled, 802.1X is configured, and WDS is enabled.
- FOn the AP, MFP is disabled, 802.1X is configured to support TSPEC, and WDS is enabled.
How the community answered
(43 responses)- A77% (33)
- B2% (1)
- C7% (3)
- D12% (5)
- F2% (1)
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