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Huawei H12-721 Exam With Confidence Using Practice Dumps

Exam Code:
H12-721
Exam Name:
HCNP-Security-CISN (Huawei Certified Network Professional - Constructing Infrastructure of Security Network)
Certification:
Huawei Certified Network Professional HCNP
Vendor:
Huawei
Questions:
245
Last Updated:
Nov 21, 2024
Exam Status:
Stable
Huawei H12-721

H12-721: Huawei Certified Network Professional HCNP Exam 2024 Study Guide Pdf and Test Engine

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HCNP-Security-CISN (Huawei Certified Network Professional - Constructing Infrastructure of Security Network) Questions and Answers

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Question 1

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?

Options:

A.

1=J+1 2=J+1 3=K+1

B.

1=J 2=K+1 3=J+1

C.

1=J+1 2=K+1 3=J+1

D.

1=J+1 2=J 3=K+1

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Question 2

When using the optical bypass interface, the Bypass link has two working modes, automatic mode and forced mode.

Options:

A.

TRUE

B.

FALSE

Question 3

As shown in the figure, the firewall is dual-system hot standby. In this networking environment, all service interfaces of the firewall work in routing mode, and OSPF is configured on the upper and lower routers. Assume that the convergence time of OSPF is 30s after the fault is rectified. What is the best configuration for HRP preemption management?

Options:

A.

hrp preempt delay 20

B.

hrp preempt delay 40

C.

hrp preempt delay 30

D.

undo hrp preempt delay

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