You want to enhance the security within the LAN and prevent VLAN hopping. What two steps can be taken to help prevent this？（） Enable BPD guard。 Disable CDP on ports where it is not necessary。 Place unused ports in a common unrouted VLAN。 Prevent automatic trunk configuration。 Implement port security。
以下银行可以办理国家助学贷款的是（）。 华夏银行。 中信银行。 中国银行。 招商银行。
You are the network administrator for ExamSheet.net's Windows 2000 network. You configure your Windows 2000 Professional computer for Internet Connection Sharing and for TCP/IP filtering as shown in the TCP/IP Filtering dialog box. You test your TCP/IP filtering configuration form another client computer. You can access FTP sites, but you cannot access Web sites. You want to modify the TCP/IP filtering settings on your Windows 2000 Professional computer to be able to access Web sites. You want to permit only the minimum necessary access through TCP/IP. What should you do? Drag the port number or numbers to the appropriate location or locations.
汽车运输企业所建立的车辆小修频率技术指标是指每（）发生小修的次数，不包括各级维护作业中的小修。 百车千米。 百吨千米。 千车千米。 万吨千米。
中国梦的本质内涵不包括（）。 国家富强。 民族振兴。 人民幸福。 人民富裕。
包裹运价率以（）为基数，其他各类包裹运价率按其加成或减成的比率确定。
