Which message type is constructed and sent from an MSDP router to its MSDP peers when it  receives a PIM register message （knowing that the MSDP router is also configured as an RP for  the PIM domain）？（）

What does a unicast prefix-based IPv6 multicast address start with？（）

What does the OSPF command capability vrf-lite achieve？（）

You are the network administrator of a Layer 3 switched network. Users in one VLAN are complaining that access to the server VLAN is very slow from time to time. Traffic in the local VLAN works without any issue， and users in other VLANs do not have any complaint to reach the server VLAN. What is most likely the cause of this issue？（）

Which router is doing LSA type 7 to type 5 translation，and why？（）

Which three statements are true about policing？ （）

Phase I and Phase II DMVPN differ in terms of which of these characteristics？（）

What is the STP root guard feature designed to prevent？（）

Which IOS security feature is configured by the ip inspect inspection-name {in  out} command？（）

You are the network administrator of an enterprise company that just deployed a global IP telephony environment. In order to guarantee good voice quality， you asked your provider to implement QoS on the CE routers of your MPLS network. On your LAN， you have also deployed QoS. Users， however， keep complaining about bad voice quality， and the provider does not see matches on the DSCP values that you have asked him to match upon. What is most likely the problem？（）