Study tips 400-101

which 802.1D port state are the root bridge, the root port, and the designated port(s) elected?

What can be the cause of this issue, and how can it be prevented?

which feature restricts multicast packets for each IP multicast group to only those mulicast router ports that have downstream receivers joined to that group?

Which three statements about Cisco HDLC are true?

Which two fields reside in the initial CHAP challenge packet?

Which statement about WAN Ethernet Services is true?

What is the maximum number of secondary IP addresses that can be configured on a router interface?

Which address is a MAC address that is mapped from an IPv6 address (RFC 2464)?

Which multicast protocol uses source trees and RPF?

What is the function of the command ip pim autorp listener?