单项选择题
A.service timestamps log datetimec msec B.logging timestamps msec C.syslog timestamps hour minute second miliseconds D.service logging timestamp msec E.logging service timestamp msec
OnarouterthatisconfiguredwithmultipleIPSLAprobes，whichc...
单项选择题On a router that is configured with multiple IP SLA probes， which command can be used to manage the CPU load that was created by the periodic probing？（）
A.ip sla monitor low-memory B.ip sla group schedule C.ip sla reaction-trigger D.ip sla enable timestamp
YouarethenetworkadministratorofasmallLayer2networkwith5...
单项选择题You are the network administrator of a small Layer 2 network with 50 users. Lately， users have been complaining that the network is very slow. While troubleshooting， you notice that the CAM table of your switch is full， although it supports up to 12，000 MAC addresses. How can you solve this issue and prevent it from happening in the future？（）
A.Upgrade the switches B.Configure BPDU guard C.Configure VLAN access lists D.Configure port security E.Configure Dynamic ARP inspection
Whentroubleshootingtheissue，younoticetheelectionofanewr...
单项选择题When troubleshooting the issue， you notice the election of a new root bridge with an unknown MAC address. Knowing that all access ports have the PortFast feature enabled， what would be the easiest way to resolve the issue without losing redundant links？（）
A.Enable bpduguard globally. B.Enable rootguard. C.Enable loopguard. D.Enable spanning tree. E.Enable UDLD
