关RAB，RB和RL说法中正确的有（）.
A. 无线接入承载（RadioAccessBear），是在UE和CN接入层之间的概念，接入层提供给非接入层的业务，用于在UE和CN之间传送用户数据。UE与CN之间的一个业务对应于一个RAB
B. RB是SRNC与UE之间的连接，为UE提供无线业务的支持。RB是一个二层的概念，即从UE的二层到SRNC的二层
C. RB从属于RAB而存在。当用户发出业务请求，网络有资源供其使用时，由CN给U丁RAN的RANAP发送一个RAB建立请求，RANAP根据RAB建立请求的业务配置由RRC来建立lU承载和相应的RB（s）
D. RL建立是在RNC和NodeB之间完成的，建立的是专用传输信道DCH
我国《选举法》以专章规定了对代表的监督、罢免和补选的措施。下列选项中符合《选举法》规定的是哪一或哪些选项？（）
A. 罢免直接选举产生的代表须经原选区过半数的选民通过
B. 罢免直接选举产生的代表须经原选区2/3的选民通过
C. 罢免间接选举产生的代表须经原选举单位过半数的代表通过
D. 罢免间接选举产生的代表须经原选举单位2/3的多数代表通过
You work as a network Exchange administrator at Company.com.The Company.com network currently consists of a single Active Directory forest containing a single domain named Company.com.The Company.com organization makes use of Microsoft Exchange Server 2010 as their messaging solution.During the course of the business week you receive instruction from Company.com to install a new Exchange server to the network whilst ensuring that the network users are able to connect from the Internet to the new server using Exchange ActiveSync. What should you do？（）
A. You should consider having the Anonymous authentication enabled for the Microsoft-Server- ActiveSync virtual directory.
B. You should consider having the Windows Integrated Authentication enabled for the Microsoft-Server- ActiveSync virtual directory.
C. You should consider having the internal URL for the Microsoft-Server-ActiveSync virtual directory modified.
D. You should consider having the external URL for the Microsoft-Server-ActiveSync virtual directory modified.
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