Two directly connected routers， R1 and R2， are both configured for OSPF graceful restart. R2 is able to switch packets in hardware， but R1 is not. If a network administrator logs on to R2 and performs a system reload， which will be the result？（）

When two bridges are competing for the root bridge of an IEEE 802.1D spanning tree and both have the same bridge priority configured， which parameter determines the winner？（）

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

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

f a Cisco switch is configured with VTPv1 in transparent mode， what is done with received VTP advertisements？（）

Which three statements are true about policing？ （）

An administrator of a peer-to-peer server application reports that the maximum bandwidth that his application receives is 90 Mb/s. You have an 8-port，100-Mb/s EtherChannel bundle on the switching infrastructure between the two servers， resulting in a bidirectional throughput of more than what is recorded. Which two solutions would allow for more bandwidth for the application？（）

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

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