While logged into a Company switch you issue the following command： CompanySwitch（config-mst）# instance 10 vlan 11-12 What does this command accomplish？（） It enables a PVST+ instance of 10 for vlan 11 and vlan 12。 It enables vlan 11 and vlan 12 to be part of the MST region 10。 It maps vlan 11 and vlan 12 to the MST instance of 10.。 It creates an Internal Spanning Tree （IST） instance of 10 for vlan 11 and vlan 12 。 It create a Common Spanning Tree （CST） instance of 10 for vlan 11 and vlan 12。 It starts two instances of MST， one instance for vlan 11 and another instance for vlan 12.。
纵向变形
You have a computer running Windows 2000 Professional. You have purchased a new USB scanner. You attached it to the USB port. When you go to device manager to see the status of the USB port， You did not find any USB controller there. You then reboot your system and go to system BIOS settings and enable the USB Controller. But it is still missing. What should you do to resolve this problem？（） Update the scanner drivers using certified drivers。 Enable the USB port in the computers BIOS again.。 Contact the maker or vendor for you system and obtain the current version of BIOS.。 Enable the USB hub controller in device manager.。 Reinstall the USB device driver and disable the USB error detectio。
Your network consists of an Active Directory domain named contoso.com. You have a computer namedcomputer1.contoso.com. Your network is configured to use only IPv6. You need to request that a DNS record be created to enable users to connect to your computer by using the name dev.contoso.com. Which type of record should you request ?（） A。 AAAA。 HINFO。 NAPTR。
理论和实践的桥梁
（）负责管理军队中党的工作和政治工作。
