何谓菜单，菜单的功能有哪些？
水文现象的产生和变化，都有某种程度的随机性，因此，都要应用数理统计法进行水文计算和水文预报。
新形势下电信业务的丰富带来分类方式的多样性，按信息感官可将电信业务分为（）。 ["固定业务和移动业务","话音业务和非话业务","宽带业务和窄带业务","图文业务和视像业务"]
下列关于DHCP服务的叙述中，正确的是（）。 ["一台DHCP服务器只能为其所在网段的主机分配IP地址","对于移动用户设置较长的租约时间","DHCP服务器不需要配置固定的IP地址","在Windows客户机上可使用ipconfig\/release释放当前IP地址"]
Which action enables an administrator to make a VIO Server automatically activate when the physical machine is powered on?（） ["Ensure the \/etc\/auto_start file exists on the VIOS.","Ensure the 'cfgdev -a boot=yes' command has been executed.","Select the 'Automatically start when the managed system is powered on' option within the VIO Server LPAR profile.","Add the VIO Server to the 'Automatically start when the managed system is powered on' field on the Managed System properties."]
培养基碳氮比
