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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問答題

【簡答題】網(wǎng)絡(luò)安全涉及到TCP/IP哪幾層？

答案： Layer 1 （Network interface LayerQ...

單項(xiàng)選擇題

You are deploying two core switches，one in each building，50 km away from each other. The cross-connection between them will be a Layer 2 2-gigabit EtherChannel with an 802.1Q trunk. You configured it correctly but the link does not come up. The port is in the "admin up" state，and the line protocol is in the "down" state. The fiber link is OK. What would be the most likely reason for the link not to come up？（）

A.The switches are not the same model.
B.You are not using the correct SFP.
C.You are not using correct optical media converters.
D.Configuration should be modified， because the distance is longer.

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

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【簡答題】網(wǎng)絡(luò)安全涉及到TCP/IP哪幾層？

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

【簡答題】網(wǎng)絡(luò)安全涉及到TCP/IP哪幾層？