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Huawei H12-891_V1.0 Exam Syllabus Topics:

SectionObjectives
Topic 1: WAN and VPN Technologies- MPLS fundamentals
  • 1. VPN technologies
    • 2. MPLS LDP and forwarding
      Topic 2: Data Center and Virtualization Technologies- VXLAN and overlay networks
      • 1. Data center network virtualization
        Topic 3: IPv6 and Advanced IP Technologies- IPv6 deployment
        • 1. IPv6 addressing and transition
          Topic 4: Network Security and QoS- QoS mechanisms
          • 1. Traffic classification and shaping
            - Security mechanisms
            • 1. Basic network security design
              • 2. ACL and traffic control
                Topic 5: Routing and Switching Technologies- Switching technologies
                • 1. Ethernet switching mechanisms
                  • 2. VLAN and STP
                    - IP routing protocols
                    • 1. IS-IS basics
                      • 2. BGP
                        • 3. OSPF
                          Topic 6: Network Automation and Programmability- SDN and automation
                          • 1. NETCONF/YANG basics
                            • 2. Network automation tools
                              Topic 7: Enterprise Network Architecture- Network design principles
                              • 1. Scalability and high availability design
                                • 2. Hierarchical network architecture

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                                  Huawei HCIE-Datacom V1.0 Sample Questions (Q215-Q220):

                                  NEW QUESTION # 215
                                  Users within a typical VPN can only communicate with each other, not with Internet users, and with Internet.
                                  But VPN individual sites may have access to internet's needs. The correct description of the implementation of VPN interconnection with internet is ?( Multiple choice questions).

                                  Answer: A,B,C,D


                                  NEW QUESTION # 216
                                  The Huawei SD-WAN solution has three types of channels. Drag the channel names to their corresponding callouts.

                                  Answer:

                                  Explanation:

                                  Explanation:
                                  A white line with black lines AI-generated content may be incorrect.
                                  In Huawei ' sSD-WAN architecture, the following channels are defined:
                                  Management Channel (Callout 1)
                                  BetweeniMaster NCEandEdge devices.
                                  Used for deviceregistration, configuration, and monitoring.
                                  Encrypted with HTTPS.
                                  Control Channel (Callout 2)
                                  BetweenEdge devices and RR (Route Reflector).
                                  Used forroute exchangeandcontrol signaling, typically overMPLS or Internet.
                                  Data Channel (Callout 3)
                                  BetweenEdge to Edge(e.g., HQ to branch).
                                  Used for actualservice traffic transmission, carried overMPLS, Internet, or both.
                                  Correct Mapping:
                                  Management channel# Callout1(from iMaster NCE to Edge)
                                  Control channel# Callout2(Edge to RR)
                                  Data channel# Callout3(Edge to Edge, over MPLS/Internet)
                                  Reference:Huawei HCIE-Datacom V1.0 Study GuideChapter:SD-WAN Architecture and ComponentsSection:
                                  SD-WAN Channels - Control, Management, and Data


                                  NEW QUESTION # 217
                                  In the firewall hot standby scenario, in which of the following conditions will the local device proactively send VGMP packets?

                                  Answer: C

                                  Explanation:
                                  Comprehensive and Detailed
                                  VGMP (Virtual Group Management Protocol) is used in Huawei firewalls for hot standby and high availability.
                                  When is VGMP Activated?✔ When hot standby is enabled, firewalls must synchronize their states to maintain failover capability. ✅✔ VGMP sends packets periodically to check if the standby firewall is operational.
                                  Why Other Options Are Incorrect?❌ Priority increase (B): Does not trigger VGMP packets directly.❌ Link detection timeout (C): Affects failover but does not initiate VGMP packets.❌ Hot standby being disabled (A): Disables VGMP, preventing packets from being sent.
                                  Thus, the correct answer is D.
                                  📖 Reference: Huawei HCIE Datacom - Firewall Hot Standby and VGMP


                                  NEW QUESTION # 218
                                  The most effective way to view device warnings through the CLI is ?

                                  Answer: D


                                  NEW QUESTION # 219
                                  If you want to advertise 19072270/27 to an EBGP neighbor, is the following command correct?

                                  Answer: E


                                  NEW QUESTION # 220
                                  ......

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