You need to identify the number of servers that will be used specifically for operations master roles. How many servers should you recommend?（） ["5","11","14","17","20"]
下面气体属于易燃易爆介质的有（） ["氧气","氮气","液化石油气","蒸汽"]
简述支付结算原则。
Your network contains two servers named Server1 and Server2 that run Windows Server 2012 R2. Server1 is a DHCP server that is configured to have a scope named Scope1. Server2 is configured to obtain an IP address automatically. In Scope1， you create a reservation named Res_Server2 for Server2. A technician replaces the network adapter on Server2. You need to ensure that Server2 can obtain the same IP address. What should you modify on Server1？（） ["The Advanced settings of Res_Server2","The MAC address of Res Server2","The Network Access Protection Settings of Scope1","The Name Protection settings of Scope1"]
《中国民用航空法》中"飞行人员"是指（） ["机组","在飞行中直接操纵航空器和航空器上航行、通信等设备的人员","机长和副驾驶"]
Excel97中文版的主要功能体现在以下三个方面：（）、（）、（）。
