In Huawei's SD-WAN solution, which of the following technologies can "enable branch equipment to automatically adapt to the new link without needing to re-adapt after changing network operators"?

• A.After changing carriers, delete the original configuration and start a new game.
• B.SD-WAN Link Adaptive Technology (Automatically identifies new links and loads preset policies)
• C.Only supports fixed carriers; link switching is not supported.
• D.Manually reconfigure the link parameters of the branch devices.

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(Huawei CloudEngine S series switches can provide PoE using Cat5e cables over a distance of up to 200 m.)

• A.TRUE
• B.FALSE

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In an MPLS VPN network, which of the following descriptions best fits the role of a "P device"?

• A.Only forwards packets carrying MPLS labels; does not maintain VPN routing information.
• B.Responsible for routing interactions between CE and PE.
• C.Maintain VPN instances and separate VPN routing tables
• D.Directly connect the CE device and access the VPN user route.

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In a wide area network (WAN) OSPF deployment, when a non-backbone area (such as Area 1) is not directly connected to the backbone area (Area 0), which of the following technologies needs to be deployed to solve the routing connectivity problem?

• A.OSPF route aggregation
• B.OSPF NSSA area
• C.OSPF Virtual Link
• D.OSPF Certification

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In a WAN BGP protocol deployment, if it is necessary to " hide the local AS number when advertising routes to EBGP neighbors to avoid AS PATH leakage", which of the following strategies should be configured?

• A.Disable the AS_PATH attribute passing function in the BGP protocol.
• B.Apply as-path-filter to the outbound direction of BGP neighbors to filter local AS numbers.
• C.Configure BGP neighbor MD5 authentication and encrypt AS_PATH information.
• D.Enable BGP route aggregation and merge AS_PATH

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