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Please fill in the blanks with the right expression from thefollowing.(请从下列词汇表达中选择合适的,填入下面的句子中)recognized navigate specializes in accommodate make senseblend with reflect grasp7.The factory___________ the children’s toys.这个工厂专门从事儿童玩具。

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Please fill in the blanks with the right expression from thefollowing.(请从下列词汇表达中选择合适的,填入下面的句子中)recognized navigate specializes in accommodate make senseblend with reflect grasp8.They are punished because they__________milk _______water.他们被惩罚了因为他们将牛奶与水混合在一起了。

用于电子邮件的协议是(C )

A. IP
B. TCP
C. SNMP
D. SMTP

为了对报文进行相关加密,用MD5计算出来的报文摘要长度是( )位。

A. 256
B. 64
C. 160
D. 128

下述协议中不属于应用层协议的是 ( )

A. ICMP
B. SNMP
C. TELNET
D. FTP

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