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Cisco 642-742 Exam Syllabus Topics:

Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 Sample Questions:

1. What is the best practice for configuring data rates for an 802.11g VoWLAN deployment?

A) Configure a mandatory data rate of 6 Mb/s. Disable data rates below 6 Mb/s, and configure all other data rates as supported.
B) Configure mandatory data rates of 12 and 54 Mb/s. Disable data rates below 6 Mb/s, and configure all other data rates as supported.
C) Configure a mandatory data rate of 12 Mb/s. Disable data rates below 12 Mb/s, and configure all other data rates as supported.
D) Configure a mandatory data rate of 11 Mb/s. Disable data rates below 11 Mb/s, and configure all other data rates as supported.

2. What are the two equivalent 802.1p CoS categories that are associated with 802.11e AC_BE? (Choose two.)

A) 3
B) 1
C) 2
D) 0
E) 4
F) 5

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

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

5. Which two configurations can resolve one-way audio in WLANs? (Choose two.)

A) DTPC
B) Platinum QoS in the WLAN
C) maximum transmit power
D) admission control
E) TPC on AP

Solutions: