In the WAN BGP protocol, which of the following attributes is an "optional non-transitional attribute of a BGP route, used to convey the local AS's preference for that route to its neighbors"?

• A.Local Preference
• B.AS_PATH
• C.MED
• D.Next Hop

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

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

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In Huawei's WAN bandwidth optimization solution, for HTTP/HTTPS services, which of the following technologies can "cachise static resources (such as images and CSS) at edge nodes to reduce duplicate transmissions"?

• A.Data encryption technology
• B.HTTPS offloading technology
• C.Dynamic content compression technology
• D.HTTP caching technology

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In an MPLS VPN network, which of the following descriptions matches the forwarding behavior of a "CE device"?

• A.Only runs the standard IP protocol, forwards data according to the IP routing table, and does not recognize MPLS labels.
• B.Process MPLS tags and participate in backbone network tag forwarding.
• C.Maintain VPN instances and independent routing tables to achieve route isolation.
• D.Responsible for VPNv4 routing between PE devices.

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In Huawei's WAN bandwidth optimization solution, for the scenario of "frequent transmission of a large number of small files", which of the following technologies can "reduce the number of transmissions and improve efficiency"?

• A.Transfer each small file separately, without merging them.
• B.Lower the priority of small file transfers and transfer them during idle periods.
• C.Small file merging and transmission (packing multiple small files together for transmission)
• D.Compress each small file and transmit it separately, without changing the number of transmissions.

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