通过L2TP协议,PPP二层链路端点和PPP会话点可以驻留在不同设备上,中间通过()穿越因特网。
A.LNS
B.LAC
C.PDSN
D.L2TP隧道
参考答案:D
- I put him down for a well - educated man.
- ________?
- I mean that he's a well - educated man.
A.I beg your pardon
B.Speak louder, will you
C.What's that
D.Will you repeat word for word
开放骨折感染主要表现()
A.异常活动
B.功能障碍
C.呼吸困难
D.持续高热
E.血压降低