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單項(xiàng)選擇題

Which of the following describes the appropriate port assignment and message exchange in a standard TFTP transaction?()

A.Server: 10.0.0.1:69 RRQ/WRQ Sent;Client: 10.0.0.2:1888 RRQ/WRQ Received
B.Server: 10.0.0.1:1888 RRQ/WRQ Received;Client: 10.0.0.2:69 RRQ/WRQ Received
C.Server: 10.0.0.1:69 RRQ/WRQ Received;Client: 10.0.0.2:69 RRQ/WRQ Sent
D.Server: 10.0.0.1:69 RRQ/WRQ Received;Client: 10.0.0.2:1888 RRQ/WRQ Sent
E.Server: 10.0.0.1:1888 RRQ/WRQ Sent;Client: 10.0.0.2:69 RRQ/WRQ Sent
F.Server: 10.0.0.1:1888 RRQ/WRQ Received;Client: 10.0.0.2:69 RRQ/WRQ Sent

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