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Apr 10, 20204 min read

CCNA 200-301 pdf free

If the client is connected to port 80 of the server, all data is sent to port 80. At this time, the port in tcp protocol is 80. However,...

PASS HOT

Apr 1, 20203 min read

Since the IP protocol can also perform connectionless and unreliable transmission of data, why do you need the UDP protocol? Protocol...

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Mar 24, 20203 min read

The new Cisco EI CCIE enterprise infrastructure has been released, and RS routing exchange has officially withdrawn from the arena of...

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Mar 18, 20203 min read

When the server sends data to the browser, sometimes the server sends a packet, and the browser will reply with an ACK. Sometimes the...

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