Free Cisco 642-742 Exam Dumps Questions & Answers

Refer to the exhibit.

Voice signaling traffic is being sent upstream using a WLAN configured for bronze QoS. Assume that Layer 3 switches between the controller and the AP use the default and recommended CoS-to-DSCP and DSCP-to-CoS maps. What CAPWAP QoS markings are used in the header at location 1?

• A.  DSCP 46
• B.  DSCP 46 and CoS 5
• C.  DSCP CS1
• D.  DSCP CS1 and CoS 1
• E.  DSCP AF31
• F.  CoS 1
• G.  CoS 3
• H.  DSCP AF31 and CoS 3

What are two benefits that result from Cisco WLC configuration of DCA for 5-GHz VoWLAN deployments? (Choose two.)

• A.  Avoid nearby radar
• B.  Avoid 802.11n 40-MHz channels
• C.  Manually remove channels that are not supported by VoWLAN clients
• D.  Adjust RRM power thresholds
• E.  Avoid channels that are affected by a microwave oven

An engineer notices that the batteries on a Cisco 792X series wireless phone are draining quite a bit even while not placing calls. What should be changed on the SSID to fix this?

• A.  set P2P to forward down-stream so that clients are not interfering with each other
• B.  enable U-APSD on the WLAN to save power
• C.  enable Multicast Direct to cut down on the multicast processing
• D.  set DTIM to 2 on the operational band of the voice clients

Which three call information items does AirMagnet VoFi Analyzer provide? (Choose three.)

• A.  802.11e access category overruns
• B.  co-channel interference percentage during the call
• C.  approximate length of the call in minutes
• D.  MOS values throughout the duration of the call
• E.  the codec used by the calling phone

DRAG DROP

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