Online Access Free 642-742 Exam Questions

Which of these authentication and encryption combinations would be considered the most secure?

• A.EAP-FAST and WPA2 AES
• B.LEAP and WPA TKIP
• C.EAP-FAST and WPA TKIP
• D.WPA-PSK and TKIP

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

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

Refer to the exhibit.

What three items of multicast information can be interpreted from the WLC displays? (Choose three.)

• A.WLC-to-AP multicast mode is configured for unicast.
• B.VideoStream is not allowed for the wireless client.
• C.The ingress WLC multicast stream is IP address 239.1.1.1.
• D.WLC-to-AP multicast mode is configured for multicast using IP address 239.1.1.1.
• E.QoS was configured and lowered to best effort.
• F.IGMP snooping is enabled.
• G.VideoStream is allowed for the wireless client.
• H.IGMP snooping is disabled.

A network engineer is having wireless multicast fail when it hits the wired network. What command will show the source of multicast groups for troubleshooting?

• A.show ip igmp
• B.show ip route
• C.show ip mcache
• D.show ip interface counts
• E.show ip mroute

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.4
• E.7
• F.27