Which remote access VPN addressing technique supports a static IP address to support a specific application？（） [" Use a static ip addresses based on incoming user policies."," Use DHCP to assign addresses based on incoming user policies."," Deploy a clientless model to assign a unique address to the user."," Deploy RADIUS or LDAP to assign the address to the user."]
企业中层管理干部应当具备下列的哪些安全知识（） ["多学科的安全技术知识","安全系统理论","国家安全生产法规","推动安全工作前进的方法","职业病诊断"]
请参见图示。图示网络使用有类子网划分。路由器A和路由器B之间的串行链路配置有属于172.16.6.0/23子网内的地址。该子网中总共有多少有效的IP地址被浪费？（） ["252","254","256","508","510","512"]
备用金的管理实行定额管理一种模式。
球枕构造
试述液压传动的工作原理。
