单项选择题 Your network contains an Active Directory domain named contoso.com. The domain contains two servers named Server1 and Server2 that run Windows Server 2012 R2. Server2 establishes an IPSec connection to Server1. You need to view which authentication method was used to establish the initial IPSec connection. What should you do?（）

单项选择题 You are configuring the IPv6 network infrastructure for a branch office. The corporate network administrator allocates the 2001:DB8:0:C000::/58 address space for use in the branch office. You need to identify the maximum number of IPv6 subnets you can create. How many IPv6 subnets should you identify?（）

单项选择题 You have a server named Server1 that runs Windows Server 2012 R2. Server1 has following storage spaces: Data Users Backups Primordial You add an additional hard disk to Server1. You need to identify which storage space contains the new hard disk. Which storage space contains the new disk?（）