In the WAN BGP protocol, which of the following attributes can be used to "transmit route priority to EBGP neighbors, with smaller values indicating higher priority"?

• A.MEDMulti-Exit Discriminator
• B.AS_PATH
• C.Local Preference
• D.Next Hop

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In Huawei's WAN solution, for scenarios with " excessive WAN link latency (such as intercontinental links)," which of the following technologies can "optimize TCP protocol transmission performance and reduce the impact of latency on services"?

• A.Use the original TCP configuration directly without optimization.
• B.Reduce TCP transmission rate and decrease data transmission volume.
• C.Enable the TCP window expansion option (increase the TCP receive window).
• D.Switching to UDP protocol for transmission does not guarantee reliability.

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In Huawei's WAN management platform, which of the following functions can achieve "intelligent diagnosis and location of network faults" and improve operation and maintenance efficiency?
(Multiple choice)

• A.Only alarms are displayed; no correlation analysis or root cause recommendations are provided.
• B.Fault Root Cause Recommendation (Based on the historical fault database, recommend possible fault causes)
• C.Automatic fault correlation analysis (e.g., link fault correlation affecting services and branches)
• D.Automatic generation and dispatch of fault handling work orders
• E.Fault work orders need to be created and dispatched manually, which is inefficient .

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In the OSPF protocol for wide area networks, what is the main difference between a "full stub area" and a "stub area"?

• A.Fully stub areas receive Type 5 LSAs (AS external routes), while stub areas do not receive...
• B.A fully stub region receives only Type 7 LSAs, while a stub region receives Type 3 LSAs.
• C.Fully stub areas do not receive Type 3 LSAs (Inter-area summary routes), while stub areas do.
• D.The full Stub area and the Stub area are identical, only the configuration commands differ.

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In the wide area network IPv6 transition scenario, if "internal IPv6 terminals need to access IPv4 internet resources but do not have public IPv4 addresses", which of the following technologies should be used?

• A.DNS64 + NAT64 (Enables IPv6 access to IPv4 even without a public IPv4 address)
• B.IPv6 over IPv4 tunnel (only enables communication between IPv6 terminals)
• C.IPv4/IPv6 dual-stack technology (requires the enterprise to have a public IPv4 address)
• D.Close the IPv6 terminal and use IPv4 access instead.

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