[填空题] 协议用于在单条链路上传播多个（）数据。

Router R1 sits at an Enterprise branch office, using the Internet for its only connectivity back to the rest of the EnterprisE. Which of the following is not a ben efit of using an IPsec tunnel for packets sent through the Internet, between R1 and the rest of the Enterprise?（） [" Privacy"," Authentication"," Allows using an IGP between R1 and the Enterprise"," Secure communicatio"] 微生物消化 以毛泽东、邓小平、江泽民同志为核心的党的三代中央领导集体和以胡锦涛同志为总书记的党中央都高度重视从严治党，党的（）以来党中央在从严治党上进行了新探索。 ["十五大","十六大","十七大","十八大"] The tl：task tag supplies information about a single task while the tl：taskList tag does the final output. The tag handler for tl：taskList is TaskListTag. The tag handler for tl：task is TaskTag. Both tag handlers extend BodyTagSupport.  Which allows the tl：taskList tag to get the task names from its nested tl：task children？（） ["A","B","C","D","E"] 简述什么是金风750风机液压站防爆膜，并叙述其对风机如何起保护作用？ 协议用于在单条链路上传播多个（）数据。