Free Cisco 642-742 Exam Dumps Questions & Answers

Controllers in a mobility group must all have which of these characteristics in common?

• A.  mobility domain name, version of controller code, and Control and Provisioning of Wireless Access Points mode
• B.  mobility group name, version of controller code, Control and Provisioning of Wireless Access Points mode, ACLs, and WLANs (SSIDs)
• C.  mobility group name, version of controller code, and Control and Provisioning of Wireless Access Points mode
• D.  mobility domain name, version of controller code, Control and Provisioning of Wireless Access Points mode, ACLs, and WLANs (SSIDs)

A client reports that video is not streaming. The administrator determines the client is connecting at a data rate of 12 Mbps and is trying to stream to a valid multicast address on the network. What three items should the administrator check next to troubleshoot the issue? (Choose three.)

• A.  SSID has been configured to allow multicast-direct and multicast-direct has been enabled globally.
• B.  RTSP is used to stream the video due to wireless multicast not using acknowledgements.
• C.  IGMP snooping is turned off because the client cannot request to join a group, only access points can.
• D.  Video-stream for the multicast video is configured in the controller.
• E.  SSID has been set for a QoS value of Platinum.
• F.  SSID has been set for a QoS value of Gold.

A customer has requested help in configuring priority for emergency calls. What setting needs to be enabled to allow for wireless phones to make emergency calls no matter the load on the access point?

• A.  static CAC reservation
• B.  expedited bandwidth
• C.  reserved roaming bandwidth reservation
• D.  SIP CAC

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 router IGMP table is updated with the IP address of the wireless clients as the last reporter.
• C.  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.
• D.  The router IGMP table is updated with the IP address of the Cisco WLC as the last reporter.
• E.  The IGMP packets from the wireless clients are forwarded to the router without modifications.

You are getting complaints from Cisco Unified Wireless IP Phone 7925 users that their phones are failing to register with the Cisco Unified Communications Manager Express server and are showing the message "Registering." What is the problem?

• A.  The IP phones are failing to receive a DHCP address from the DHCP server.
• B.  There is no ephone configuration for each phone in the Cisco Unified CME device.
• C.  The DHCP server needs to include the command option 66 ip <ip address> to serve the appropriate load file.
• D.  The IP phones are failing to receive their firmware files from the TFTP server.