Interesting Facts that Help you Crack the Tough Huawei H12-711_V4.0 Exam

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Huawei H12-711_V4.0 Exam Syllabus Topics:

SectionObjectives
Topic 1: Security Fundamentals- Information security concepts (CIA triad, risk, threats, vulnerabilities)
  • 1. Common attack types and defense concepts
    • 2. Security goals and principles
      - Cryptography basics
      • 1. Symmetric and asymmetric encryption
        • 2. Hashing and digital signatures
          Topic 2: Huawei Security Products- Security solutions overview
          • 1. Anti-DDoS and intrusion prevention concepts
            • 2. Web security and threat protection
              - Huawei USG Firewall
              • 1. Traffic filtering and NAT concepts
                • 2. Basic configuration and security policies
                  Topic 3: Network Security Technologies- Firewall and perimeter defense
                  • 1. Security zone concepts
                    • 2. Stateful inspection firewall principles
                      - Access control and authentication
                      • 1. NAC concepts
                        • 2. AAA framework
                          - VPN and secure communication
                          • 1. SSL VPN overview
                            • 2. IPsec VPN fundamentals
                              Topic 4: Security Operations and Management- Incident response
                              • 1. Basic troubleshooting and mitigation
                                • 2. Security incident lifecycle
                                  - Security monitoring and logging
                                  • 1. Log analysis basics
                                    • 2. Security event monitoring

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                                      Huawei HCIA-Security V4.0 Sample Questions (Q126-Q131):

                                      NEW QUESTION # 126
                                      Which of the following descriptions of the PKI life cycle are correct? (Multiple Choice)

                                      Answer: C,D


                                      NEW QUESTION # 127
                                      When the administrator upgrades the USG firewall software version, which of the following operations are necessary? (Multiple Choice)

                                      Answer: A,B,C


                                      NEW QUESTION # 128
                                      On a firewall, security policies with the permit action do not need to be configured for traffic between users in the same zone.

                                      Answer: B

                                      Explanation:
                                      This statement is TRUE . On Huawei firewalls, security policies are mainly used to control traffic between different security zones . The firewall determines policy matching based on the source zone and destination zone , and these interzone policies decide whether traffic is permitted or denied.
                                      For traffic between users in the same zone , permit security policies generally do not need to be configured.
                                      This is because hosts and interfaces belonging to the same security zone are considered to have the same trust level, and their communication is not normally controlled by interzone security policy rules in the same way as traffic moving from one zone to another. In other words, the main purpose of zoning is to define boundaries between different trust levels, not to force permit rules for communications inside a single zone.
                                      This behavior simplifies firewall policy deployment. Administrators mainly need to focus on policy design for traffic such as Trust to Untrust , Untrust to DMZ , or DMZ to Trust , where different trust levels exist.
                                      Therefore, for traffic between users in the same zone , a permit action security policy is generally not required .


                                      NEW QUESTION # 129
                                      A three-way handshake is required to establish a TCP connection, and a four-way handshake is required to end a TCP connection.

                                      Answer: B

                                      Explanation:
                                      Explanation From HCIA-Security documents:
                                      TCP is a connection-oriented transport protocol, so it must establish a reliable session before user data can be exchanged. To create the session, TCP uses the three-way handshake: the initiator sends a SYN to request a connection and advertise its initial sequence number, the responder replies with SYN/ACK to acknowledge the request and provide its own initial sequence number, and finally the initiator sends an ACK to confirm receipt. This process confirms bidirectional reachability, synchronizes sequence numbers, and prepares both ends for reliable delivery, retransmission control, and flow control.
                                      To end a TCP connection gracefully, TCP performs an orderly close in both directions (full-duplex). One endpoint sends FIN to indicate it has no more data to send, the peer responds with ACK . When the peer is also ready to stop sending, it transmits its own FIN , and the original endpoint responds with a final ACK .
                                      Because each direction is closed independently, termination is typically described as a four-way handshake .


                                      NEW QUESTION # 130
                                      Which of the following are algorithms used in digital signature technology? (Multiple Choice)

                                      Answer: A,D


                                      NEW QUESTION # 131
                                      ......

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