642-741 Questions And Answers

1.Which protocol is used by multicast to prevent loops?
A.OSPF
B.RIP
C.RPF
D.BGP
E.EIGRP
Answer:C
2.What frame type is used to signal TSPEC reservation from a client?
A.RSVP
B.ADDTS
C.802.11 association information elements
D.WMM capabilities exchange
Answer:B
3.Which two statements are correct if IGMP snooping is enabled on a Cisco WLC? (Choose two.)
A.The router IGMP table is updated with the IP address of the wireless clients as the last reporter.
B.The IGMP packets from the wireless clients are forwarded to the router without modifications.
C.The IGMP packets from the wireless clients are received at the Cisco WLC, which in turn generates a query for the client.
D.The IGMP packets from the wireless clients are received at the WLC and are used to update the router via Cisco Group Management Protocol update from the Cisco WLC.
E.The router IGMP table is updated with the IP address of the Cisco WLC as the last reporter.
Answer:C E