公钥密码体制与对称密码体制相比有什么优点和不足？
You have two servers named Server1 and Server2 that run Windows Server 2003 Service Pack 2 (SP2). The IP configuration for Server1 is shown in the Server1 IP exhibit. (Click the Exhibit button.) The IP configuration for Server2 is shown in the Server2 IP exhibit. (Click the Exhibit button.) Server1 is unable to contact Server2. You need to ensure that Server1 can contact Server2. What should you do?（） ["On Server2, modify the subnet mask. ","On Server1, modify the DNS server address. ","On Server2, change the node type to broadcast. ","On Server1, configure a static IP address for the Local Area Connection.&e"]
Routers can be used to integrate a variety of services. Which two common services are often specified by businesses？（） [" Mitigation and Response"," Fibre Channel over Ethernet"," IP communications"," Data Center Virtualization"," VPN security"]
简述商业银行负债来源渠道。
带式输送机运行时，违反操作规程的是（）。 ["物料块度不大于100mm","物料宽度比胶带宽度少200mm","待料时，操作人员乘坐去另一工作地点"]
字母d的ASCII值为100，则字母a的ASCII值为（）。
