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？（）

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

Which statement best describes OSPF external LSAs （type 5）？（）

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？（）

IEEE 802.1w is a Rapid Spanning Tree Protocol （RSTP） that can be seen as an evolution of the 802.1 standard. What are the port roles described by 802.1w？（）

For the following items，what is the mathematical relationship between the committed information  rate （CIR）， committed burst （Bc）， and committed rate measurement interval （Tc）？（）

Which one of the following potential issues is eliminated by using split horizon？（）

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

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

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