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【单选题】
our company has a main office and one branch office. All servers run Windows Server 2003 Service Pack 2 （SP2）. The main office has a third-party gateway device named Gateway1. Gateway1 is connected to the internal network and the Internet. Gateway1 supports IPSec. In the branch office， you have a server named Server1. You create an IPSec policy on Server1. You need to ensure that Server1 can establish an IPSec tunnel to Gateway1. What should you use to configure the IPSec policy？（）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
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反馈参考答案：
举一反三
【判断题】A comparison-contrast paragraph can be organized in a block-to-block pattern or a point-to-point pattern.
A.
正确
B.
错误
【判断题】Block comparison or block contrast is to examine one thing thoroughly and then examine the other. In this way, the aspects examined in the two things should be identical and in the same order.
A.
正确
B.
错误
【多选题】ZPW-2000A型在安装有道口信号轨道电路（闭路式和开路式）的区段补偿电容安装应符合（）要求。
A.
开路控制器左右100m范围内的电容应替换为相应类型的专用补偿电容
B.
开路控制器左右50m范围内的电容应替换为相应类型的专用补偿电容
C.
闭路控制器输入输出两设备中点左右100m范围内的电容应替换相应类型的专用补偿电容
D.
闭路控制器输入输出两路设备中点左右50m范围内的电容应替换为相应类型的专用补偿电容
【简答题】Is this passage written in block comparison or contrast or in alternating comparison or contrast?
【单选题】One angstrom, symbolized Å, is 10-10m. 1 cm3 = __________ Å3.
A.
10 24
B.
10 −24
C.
1030
D.
10 −30
E.
10 −9
【简答题】就中、短期的价格分析而言，股票的价格由其内在价值决定；但从长期来看，股价由供求关系决定。 ( )
【单选题】在安装有道口信号轨道电路(闭路式和开路式制式)的区段,须采用道口专用补偿电容，ZPW·CBGD-1700对应载频下等效电容值( )
A.
40uF±4uF
B.
46uF±4.6uF
C.
55uF±5uF
D.
55uF±5.5uF
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