法律方法的特征是（)。
Examine the description of the MARKS table:SUBJ1 and SUBJ2 indicate the marks obtained by a student in two subjects.Examine this SELECT statement based on the MARKS table:What is the result of the SELECT statement？（）
下列各项中，属于库存现金的内部控制测试程序的有（)。
You are a senior network administrator at TestKing and your trusty junior administrator tells you that he failed his task of adding VLAN 50 to a Catalyst switch in the network. You enter in the ‘show vtp status‘ command and get this output:TK2 show vtp statusVTP Version :2Configuration Revision :7Maximum VLANs supported local :68Number of existing VLANs :8VTP Operating Mode :ClientVTP Domain Name :corpVTP Pruning Mode :DisabledVTP V2 Mode :DisabledVTP Traps Generation :DisabledMD5 digest :0x22 0xF3 0x1AConfiguration last modified by 172.18.22.15 at 5-28-03 1t:53:20What commands must be issued on this switch to add VLAN 50 to the database？（）
HC1是强腐蚀性的物质，几乎能与（)的金属起反应。
