In wide area network link load balancing scenarios, which of the following load sharing methods does Huawei SD-WAN solution typically employ?

• A.Randomly allocate traffic to any link
• B.Allocate traffic based solely on link latency, ignoring bandwidth.
• C.Only use a single link, with other links used as cold backups.
• D.Traffic sharing based on bandwidth ratio (e.g., 7:3 allocation)

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(As shown in the following figure, R1 and R2 establish an IPsec VPN in ISAKMP mode for communication.
For IPsec proposals on R1 and R2, ESP is used, the encapsulation mode is set to tunnel mode, SHA1 is configured as the authentication algorithm, and AES-256 is configured as the encryption algorithm. In addition, IKEv1 is configured for IKE peers, the main mode is configured for IKEv1 negotiation phase 1, and the PSK Huawei@123 is configured for PSK authentication between IKE peers. For IKE proposals on R1 and R2, SHA1 is configured as the authentication algorithm, AES-256 is configured as the encryption algorithm, and DH group 1 is configured for IKE negotiation. Based on these configurations on R1 and R2, drag the configuration items on the left to the correct locations on the right.)

Correct Answer:

Explanation:
1 #dh group1
2 #main
3 #esp
4 #tunnel
In the IKE proposal, the Diffie-Hellman group defines the key exchange strength used during IKE Phase 1 negotiation, which is whydh group1corresponds to position 1 under the IKE proposal configuration. The exchange-mode mainsetting is part of IKEv1 Phase 1 and therefore correctly matches position 2 under the IKE peer configuration.
For the IPsec proposal, thetransformspecifies the protocol used to protect data traffic; since ESP is explicitly required,espcorrectly maps to position 3. Finally, theencapsulation-mode tunneldefines how packets are encapsulated in IPsec VPNs between gateways, makingtunnelthe correct match for position 4.
This mapping strictly follows HCIP Datacom Campus Network IPsec and IKE configuration logic and aligns with standard Huawei VRP command behavior.

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Complete the following static VXLAN tunnel configurations by dragging the configurations to the corresponding areas.

Correct Answer:

Explanation (Concise and Technical)
* Position 1 # 100This corresponds toVNI 100, which is associated with BD10 and is used for communication between PC1 and PC3.
* Position 2 # 3.3.3.3This is theremote VTEP IP addressof VTEP3, configured as a head-end peer for VNI 100 on VTEP1.
* Position 3 # 200This representsVNI 200, which is bound to BD20 and enables VXLAN communication between PC2 and PC4.
* Position 4 # 1.1.1.1This is theremote VTEP IP addressof VTEP1, configured as a head-end peer for VNI 200 on VTEP2.
This mapping follows standardstatic VXLAN tunnel configuration logicon Huawei devices, where each VNI is explicitly associated with remote VTEP peer addresses using head-end peer-list.

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(As shown in the figure, distributed VXLAN gateways are used, and thearp-proxy local enablecommand is configured onVBDIF 10 of SW1. Which of the following statements aretrue?)

• A.The ARP entry on PC1 is 172.16.1.2 # MAC B.
• B.After SW1 receives the packets sent from PC1 to PC2, SW1 searches the Layer 2 forwarding table and forwards the packets.
• C.The ARP entry on PC1 is 172.16.1.2 # MAC D.
• D.After SW1 receives the packets sent from PC1 to PC2, SW1 searches the Layer 3 forwarding table and forwards the packets.

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In the OSPF protocol for wide area networks, which of the following is the generator of a Type 2 LSA (Network LSA)?

• A.Area Border Router (ABR)
• B.DR (Designated Router) within the area
• C.Autonomous System Border Router (ASBR)
• D.All routers within the area

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