What are the "bound IP addresses" used for in LDP？（）

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？（）

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

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

Which two attributes need to match for two switches to become members of the same MST region？  （）

Internet Protocol version 6 （IPv6） is the next-generation Internet Layer protocol for packet-switched internetworks and the Internet. IPv6 router solicitation is（）

Which three protocols should be explicitly managed by using Control Plane Policing on an Internet border router？（）

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 is the command to configure RSVP to reserve up to one-tenth of a Gigabit link， but only allow each individual flow to use 1 MB/s？（）

Which statement is correct about an OSPF sham-link？（）