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Cisco 642-742 Exam Syllabus Topics:

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

Question 1

What is the best practice for configuring data rates for an 802.11a VoWLAN deployment?

A. Configure a mandatory data rate of 54 Mb/s. Disable data rates below 36 Mb/s and configure all other data rates as supported.
B. Configure mandatory data rates of 9 and 54 Mb/s. Disable data rates below 6 Mb/s and all other data rates as supported.
C. Configure a mandatory data rate of 6 Mb/s. Disable data rates below 6 Mb/s and configure all other data rates as supported.
D. Configure a mandatory data rate of 12 Mb/s. Disable data rates below 12 Mb/s and all other data rates as supported.

Question 2

Which two statements best describe video conferencing? (Choose two.)

A. Video streams require high-speed compression and decompression.
B. H.323 codecs are commonly used.
C. MPEG codecs are commonly used.
D. Video streams require maximum quality compression and decompression.

Question 3

Which mechanism detects if VoWLAN clients are experiencing poor signal-to-noise ratio values and causes the power of APs to increase as needed in order to rectify signal-tonoise issues?

A. CHD
B. RSSI
C. CCA
D. 802.11h
E. QBSS

Question 4

When setting up a VoWLAN deployment with Nokia E-Series dual-mode phones and Cisco 7925G phones, the engineer notices the Nokia phones work over cellular but fail over WiFi, whereas the Cisco phones work fine. What setting would cause this behavior?

A. CCKM enabled
B. SSID set to broadcast
C. CCKM disabled
D. WPA Enterprise used
E. SSID set to non-broadcast
F. WPA2 Enterprise used

Question 5

After debugging a VoWLAN client that is experiencing dropped calls, it has been found that the client is requesting a new DHCP address every time the client roams to a new AP. What should be configured in the WLAN?

A. Decrease the DHCP allocated lease time to 0.
B. Select the central DHCP processing option.
C. Deselect the enable session timeout.
D. Increase the DHCP allocated lease time for wireless clients.
E. Deselect the DHCP address assignment required option.
F. Select the DHCP server override option.

Solutions: