Cisco 642-742 - Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0

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

1. Which two multicast modes are valid for use with Ethernet bridging on a mesh AP? (Choose two.)

A) in
B) regular
C) out
D) mesh bridge in
E) bidirectional bridge

2. Which four hardware components are required to make an end-to-end unified wireless VoIP solution? (Choose four.)

A) Cisco Wireless Control System
B) autonomous access points
C) firewalls
D) Cisco Unified Communications Manager
E) Cisco Mobility Services Engine server
F) wireless IP phone
G) CAPWAP access points
H) WLAN controller

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

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

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

5. Which two statements are correct if IGMP snooping is enabled on a Cisco WLC v7.0?
(Choose two.)

A) The IGMP packets from the wireless clients are received at the Cisco WLC, which generates a query for the client.
B) The IGMP packets from the wireless clients are received at the WLC and are used to update the router via a Cisco Group Management Protocol update from the Cisco WLC.
C) The router IGMP table is updated with the IP address of the wireless clients as the last reporter.
D) The IGMP packets from the wireless clients are forwarded to the router without modifications.
E) The router IGMP table is updated with the IP address of the Cisco WLC as the last reporter.

Solutions: