单项选择题
A.an IP filter that allows only Internet Control Message Protocol （ICMP） traffic.
B.an IP filter that allows only TCP traffic on port 1701.
C.a pre-shared key for authentication.
D.Kerberos authentication.
单项选择题 You have a VPN server named Server1 and a file server named Server2. Both servers run Windows Server 2003 Service Pack 2 (SP2). VPN clients report that they cannot access shares on Server2 after connecting to Server1. You confirm that VPN clients receive the appropriate IP configurations and that they have permissions to the shared folders on Server2. You need to ensure that VPN clients can access the shares on Server2 when they connect to the network by using a VPN connection. What should you do? （）
多项选择题 Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 (SP2). You have a VPN server named Server1. You have an Internet Authentication Service (IAS) server named Server2. You need to ensure that all VPN connections to Server1 are authenticated by Server2. Which two actions should you perform?（）
单项选择题 You have a DNS server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). Server1 hosts a primary zone for contoso.com. On Server1, you update the host (A) record for server2.contoso.com to have a new IP address. On Server1, you run Ping server2.contoso.com from a command prompt and the old IP address for Server2 is returned. You need to ensure that the new IP address for Server2 resolves correctly on Server1. What should you do?（）