问答题
简答题
网络安全涉及到OSI哪几层?
【参考答案】
Layer 7:application layer
Layer 6:presen......
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WhichofthefollowingdescribestheappropriateportassignmentandmessageexchangeinastandardTFTPtransaction?()
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问答题
网络安全涉及到TCP/IP哪几层?
