show version
dir flash：include ios
show environment
show diag
show inventory
第1题：
Which two management-software applications can you use to manage the Cisco Catalyst Express 500 Series Switches?（）
第2题：
What is the first step that you would use Cisco Product Advisor for when selecting a router for an Edge solution？（）
第3题：
A. service timestamps debug datetime msec
B. show clock detail
C. clock calendar-valid
D. service timestamps log datetime msec
第4题：
Which cisco ios command can help to determine the timing of various debug events,relative to each other, when you are debugging a complicated router issue?（）
第5题：
NBAR is a Cisco IOS feature that can be used to perform three tasks？
第6题：
Which IOS security feature is configured by the ip inspect inspection-name {in | out} command？（）
第7题：
What tasks can only be performed in the default or admin VDC？（）
第8题：
A.show inventory
B.show flash：filesys
C.dirflash：include chassis
D.show diag
E.show controllers
第9题：
Which three statements best describe HSRP configuration on Cisco Nexus switches？（）
第10题：
Which of these commands can you use to show if an operational Catalyst switch port is set for autonegotiation of speed and duplex when running Cisco IOS software?（）