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Cisco 642-742 Exam Syllabus Topics:

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

1. Which two pieces of information from the Cisco WLC v7.0 GUI does Monitor > Clients provide about a VoWLAN client? (Choose two.)

A) current RF channel
B) current data rate
C) WMM state
D) current MOS
E) RSSI at current AP

2. Which two security technologies should be used when deploying a 100 Wi-Fi phone installation? (Choose two.)

A) Use IEEE 802.1X and WEP 128.
B) Use IEEE 802.1X and WEP 256.
C) Use IEEE 802.1X with unique users on each phone.
D) Use the same IEEE 802.1X username on all phones.
E) Use IEEE 802.1X and WPA2 and Cisco Centralized Key Management.
F) Use WPA-PSK.

3. Refer to the exhibit.

A customer is experiencing poor call performance on their 7920 wireless phones. The engineer troubleshooting the issue has opened up Cisco Spectrum Expert to try and find the problems. Given this output, what is causing the interference?

A) Xbox wireless controller
B) cordless phone
C) RFID
D) jammer
E) microwave
F) Bluetooth device

4. What are the results that you can expect when performing a Cisco WLC v7.0 link test on a wireless IP phone?

A) A device that is not running a version of Cisco Compatible Extensions will show only packets that are sent and received.
B) A device that is not running a version of Cisco Compatible Extensions will show packets
that are sent, packets that are received, local signal strength, and SNR.
C) The device must be running at least Cisco Compatible Extensions v2 or higher, for the test and results to be successful.
D) The device must be running at least Cisco Compatible Extensions v4 or higher, for the test and results to be successful.

5. Using proper VoWLAN design practice, what would be the Cisco recommended total number of calls for a properly designed 802.11g cell to ensure call quality?

A) 14
B) 20
C) 25
D) 7
E) 4
F) 27

Solutions: