In Huawei's WAN solution, which of the following technologies can "achieve load balancing of traffic in WAN links, while ensuring that traffic automatically switches to other links when one link fails"?

• A.Dynamic routing protocols (such as OSPF) + equal-cost routing
• B.Static routing with single-link forwarding
• C.Manually switch links
• D.Relying solely on link aggregation, without configuring a routing protocol.

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In MPLS VPN network troubleshooting, if "the VPN instance routing table on the PE device contains routes to the remote CE, but packets cannot be forwarded to the remote CE," which of the following troubleshooting steps should be performed first?

• A.Check if the BGP VPNv4 neighbor between PE devices is established normally.
• B.Check if the firewall on the remote CE device is blocking data packets.
• C.Check if the VPN instance interface on the PE device can reach the remote CE.
• D.Check if the MPLS LSP is established on the P device.

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(Huawei iMaster NCE-Campus provides the financial SD-WAN SRv6 solution to help the financial industry implement end-to-end scheduling. To use this function, you need to obtain the SRv6 function package license.)

• A.TRUE
• B.FALSE

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In Huawei's WAN solution, which of the following technologies can "achieve traffic shaping of WAN links and avoid link congestion caused by sudden traffic"?

• A.Token bucket-based traffic shaping technology (controlling the traffic transmission rate and smoothing bursts of traffic).
• B.Allow unlimited data transmission without any control.
• C.Limit peak traffic only, do not handle burst traffic.
• D.Drop all bursty traffic to ensure link idleness.

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In Huawei's SD-WAN solution, which of the following technologies can "ensure that VPN service traffic and Internet service traffic between branches and headquarters are isolated and transmitted on the same physical link"?

• A.Network slicing (allocating independent logical channels to different services)
• B.Link aggregation (binding multiple physical links into a single logical link)
• C.No isolation mechanism; different services share the same channel.
• D.Use only two independent physical links to transmit different services separately.

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