A.It tunnels DHCP requests to the LNS.
B.It provides access for analog modem users.
C.It provides RFC 2547 VPN services to the user.
D.It tunnels a PPP session across an IP backbone.
第1题:
A.一次认证l2tp只在LAC认证
B.一次认证l2tp只在LNS认证
C.二次认证l2tp在LAC和LNS都进行认证
D.二次认证l2tp可以不在LAC端认证
第2题:
下面能正确表示L2TP数据包封装格式的?
A.IP |UDP |L2TP | PPP
B.IP |TCP |L2TP | PPP
C.IP |L2TP |TCP | PPP
D.IP |L2TP |UDP | PPP
第3题:
下列代码中,用于获取SD卡路径的是_______。
A.Environment.getSD();
B.Environment.getExternalStorageState();
C.Environment.getSDDirectory();
D.Environment.getExternalStorageDirectory();
第4题:
下面能正确表示L2TP数据包封装格式的?
A.IP |TCP |L2TP | PPP;
B.IP |UDP |L2TP | PPP;
C.IP |L2TP |TCP | PPP;
D.IP |L2TP |UDP | PPP;
第5题:
【单选题】下列代码中,用于获取SD卡路径的是()
A.Environment.getSD();
B.Environment.getExternalStorageState();
C.Environment.getSD Directory();
D.Environment.getExternalStorageDirectory();
第6题:
1、下面能正确表示L2TP数据包封装格式的?
A.IP |TCP |L2TP | PPP;
B.IP |UDP |L2TP | PPP;
C.IP |L2TP |TCP | PPP;
D.IP |L2TP |UDP | PPP;