题目内容

A marketable security is any equity or debt instrument that can be converted into cash with ease.

A. 对
B. 错

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Maturity mismatching, between assets and liabilities, as well as a resulting lack of properly timedcash flow, are typically at the root of a liquidity crisis.

A. 对
B. 错

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防火墙对数据包进行状态检测包过滤是，不可以进行过滤的是：

A. 源和目的IP地址
B. 源和目的IP端口
C. IP协议号
D. 数据包中的内容

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ruledenyudpsource129.9.8.00.0.0.255destination202.38.160.00.0.0.255 destination-portgreater-than 128

A. 规则拒绝udp源129.9.8.00.0.0.255目标202.38.160.00.0.0.255目标端口大于128
B. 规则允许udp源129.9.8.00.0.0.255目标202.38.160.00.0.0.255目标端口大于128
C. 规则拒绝tcp源129.9.8.00.0.0.255目标202.38.160.00.0.0.255目标端口大于128
D. 规则允许tcp源129.9.8.00.0.0.255目标202.38.160.00.0.0.255目标端口等于128

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包过滤型防火墙工作在

A. 链路层
B. 网络层
C. 传输层
D. 应用层

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A marketable security is any equity or debt instrument that can be converted into cash with ease.

A. 对 B. 错

Maturity mismatching, between assets and liabilities, as well as a resulting lack of properly timedcash flow, are typically at the root of a liquidity crisis.

防火墙对数据包进行状态检测包过滤是，不可以进行过滤的是：

ruledenyudpsource129.9.8.00.0.0.255destination202.38.160.00.0.0.255 destination-portgreater-than 128

包过滤型防火墙工作在

A. 对
B. 错