多项选择题
A.the table of 4096 elements that map the respective VLAN to STP instance number B.VTP version C.configuration revision number D.native VLAN ID
Multicastisbeingdeployedinthenetwork，andonlyippimsparse...
单项选择题Multicast is being deployed in the network， and only ip pim sparse-dense mode has been configured on allinterfaces in the network to support a new video streaming application. No other multicast configuration wasapplied anywhere in the network. Since enabling multicast， the network monitoring tools show periodic spikes in link utilization throughout the network， even in areas where the video application is not being used.What could be a possible cause？（）
A.PIM sparse mode is being used. B.PIM dense mode is being used. C.The BGP multicast address family has not been configured. D.IGMP version 3 is being used. E.IP PIM neighbor filters have not been applied.
WhichconfigurationwouldmakeanIPSLAprobeuseaprecedenceva...
单项选择题Which configuration would make an IP SLA probe use a precedence value of 5？（）
A.ip sla 1 icmp-echo 1.1.1.1 tos 160 B.ip sla 1 icmp-echo 1.1.1.1 tos 20 C.ip sla 1 icmp-echo 1.1.1.1 precedence 5 D.ip sla 1 icmp-echo 1.1.1.1 dscp 20
Youarethenetworkadministratorofanenterprisecompanythatj...
单项选择题You are the network administrator of an enterprise company that just deployed a global IP telephonyenvironment. 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？（）
A.The phones are not sending traffic with the correct DSCP value. B.The Cisco CallManager is not marking the traffic correctly. C.This is most likely a bug on the CE routers. D.Your LAN QoS is incorrectly configured.
