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Cisco 642-742 Exam Syllabus Topics:

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

1. Which one of these options best describes the ideal WLAN design for wireless VoIP clients?

A) smaller cells with all configurable speeds to ensure that all clients (802.11a/b/g) can associate to the wireless infrastructure
B) smaller cells with higher speeds and CAC-enabled prioritization of WMM clients
C) larger cells with higher speeds and WPA2 security enabled to ensure the best possible coverage
D) smaller cells with APs in the inner areas using omnidirectional antennas, and APs on the outer walls using directional antennas facing inward

2. A Cisco 7925 phone at a client's location is not registering with CUCM. The engineer analyzes a packet capture, sees that the phone receives an IP, and downloads the proper configuration file from TFTP successfully. What type of messages should the phone be sending at this point?

A) MCGP
B) H.323
C) SCCP
D) H.245

3. During the testing and verification phase of an 802.11n deployment, an employee wants to be able to stream video at a much faster rate than the previous 802.11a/b/g deployment. What 802.11n capability can be utilized for this?

A) Clients are able to utilize High-Rate Direct Sequence Spread Spectrum (HR-DSSS) to reach higher data-rates, which in turn allow for much faster video streaming.
B) Access points and clients are capable of utilizing spatial-multiplexing, multi-ratio combining, and transmit beamforming, which allows for a more efficient wireless spectrum that can utilize higher data-rates.
C) Clients can make use of MIMO to aggregate the data sent from the access points whether 802.11n or 802.11a to create a higher throughput network.
D) Clients can utilize ClientLink which allows them to use the signal received from 802.11n access points on its various radio chains to perform multi-ratio combining.

4. Which two attributes can be enabled for checking by the Voice Audit Tool in Cisco WCS v7.0? (Choose two.)

A) -67 dBm cell edge
B) MOS
C) TSM
D) DHCP
E) 25 dB SNR

5. Refer to the exhibit.

Voice-bearer traffic is being sent downstream using a WLAN configured for gold QoS. Which two of these options indicate the inner 802.11e QoS markings and QoS CAPWAP
markings that are used at location 1? (Choose two.)

A) Inner 802.11e: UP 5
B) Inner 802.11e: UP 3
C) Outer CAPWAP: CoS 4
D) Outer CAPWAP: DSCP AF41
E) Outer CAPWAP: DSCP AF31
F) Inner 802.11e: UP 4

Solutions: