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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 recommended minimum speed at the edge of the cells in an 802.11g network for a good Cisco VoWLAN deployment?

A) 12 Mb/s
B) 18 Mb/s
C) 11 Mb/s
D) 54 Mb/s
E) 36 Mb/s

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

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

3. A downstream packet containing a DSCP value arrives at the WLC Ethernet interface from the wired source network. The WLC is configured for QoS WLAN 802.1p mapping. How does the WLC treat the CAPWAP QoS marking when leaving the controller interface for the respective AP and final wireless client destination?

A) No outer CAPWAP or inner QoS tagging is applied.
B) The outer CAPWAP CoS is marked and capped while the inner DSCP maintains the original marking.
C) The outer CAPWAP DHCP is marked and capped without any inner DSCP value.
D) No outer CAPWAP QoS tag is applied, but the original DSCP is maintained inside CAPWAP.

4. What is the main difference between the Cisco Unified Wireless IP Phone 7921G and the Cisco Unified Wireless IP Phone 7925G?

A) The 7925G is suited for a more rugged environment.
B) The 7925G has support for 802.11n, whereas the 7921G does not.
C) The 7925G supports 802.11a/b/g, whereas the 7921G supports only 802.11b/g.
D) 7925G supports WPA2, whereas the 7921G supports only WPA1.

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) Outer CAPWAP: CoS 5
B) Outer CAPWAP: DSCP AF41 and CoS 4
C) Outer CAPWAP: DSCP EF and CoS 5
D) Inner 802.11e: UP 6
E) Outer CAPWAP: DSCP AF31 and CoS 3
F) Inner 802.11e: UP 3
G) Inner 802.11e: UP 5
H) Outer CAPWAP: DSCP 46 and CoS 4

Solutions: