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HCNP-Security-CISN (Huawei Certified Network Professional - Constructing Infrastructure of Security Network)
Last Update Apr 18, 2024
Total Questions : 245
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The malformed packet attack technology uses some legitimate packets to perform reconnaissance or data detection on the network. These packets are legal application types, but they are rarely used in normal networks.
In the TCP/IP protocol, the TCP protocol provides a reliable connection service, which is implemented using a 3-way handshake. First handshake: When establishing a connection, the client sends a SYN packet (SYN=J) to the server and enters the SYN_SENT state, waiting for the server to confirm; the second handshake: the server receives the SYN packet and must send an ACK packet (ACK=1) To confirm the SYN packet of the client, and also send a SYN packet (SYN=K), that is, the SYN-ACK packet, the server enters the SYN_RCVD state; the third handshake: the client receives the SYN-ACK packet of the server. Send the acknowledgement packet ACK (SYN=2 ACK=3) to the server. After the packet is sent, the client and server enter the ESTABUSHED state and complete the handshake. Regarding the three parameters in the 3-way handshake process, which one is correct?
An administrator can view the status of the device components by the following command: The status of the Slot3 board is Abnormal. What are the possible causes of the following faults?
TESTED 19 Apr 2024
