You need to configure a new Company switch for trunking. Which switch command enables a trunking protocol that appends a four byte CRC to the packet？（） CompanySwitch（config-if）#switchport trunk encapsulation dot1q。 CompanySwitch（config-if）#switchport trunk encapsulation itef。 CompanySwitch（config-if）#switchport trunk encapsulation fddi。 CompanySwitch（config-if）#switchport trunk encapsulation isl。 None of the other alternatives apply。
试论公债发行的方法。
You are the administrator of a small server based network. While installing Windows 2000 Professional on your computer, you configure the network adapter card for each computer to use TCP/IP and assign static IP setting information. During installation the setup detects and installs the 10/100 MBPS UTP only network adepter card on computers 6 & 8 and 10 MBPS/UTP combination adapter card on the other 7 computers. You accept the default settings for the network adapter card and finish installing the network adapter card. All computers are connected to 10/100 switch that has category 5 UTP cabling. After installation you find that computer 6 and 8 can communicate with each other. You want all 9 computers on your network to be able to communicate with each other. What should you do?（） Configure the 10/100 switch to transfer only at the 100 MBPS rate.。 Configure 10/100 MBPS network adapter card to switch all the computers at 10 MBPS rate.。 Change the combination network adapter card to use the BNC transceiver setting.。 Change the combination network adapter card to use the UTP transceiver setting.。
评估机构在制定绩效评价方案时，应当有针对性地对项目所涉及的利益相关方开展各种形式的调查，其调查方法包括（）。 A.案卷研究 。 B.数据填报 。 C.实地调研 。 D.座谈会及问卷调查。
《党章》第二十九条规定，企业、农村、机关、学校、科研院所、街道社区、社会组织、人民解放军连队和其他基层单位，凡是有（）以上的，都应当成立党基层组织。 预备和正式党员三人。 正式党员三人。 预备或正式党员三人。 预备党员三人。
《中华人民共和国特种设备安全法》规定：特种设备使用单位在检验合格有效期届满前（）向特种设备检验机构提出定期检验的要求。
