In the OSPF protocol of a wide area network, which type of LSA will the ASBR of an "NSSA area
" advertise to the area to transmit external IPv6 routes to the AS?

• A.Type 7 LSA (NSSA IPv4 External Router)
• B.Type 9 LSA (OSPFv3 NSSA External IPv6 Router)
• C.Type 8 LSA (OSPFv3 Link-Local LSA)
• D.Type 5 LSA (IPv4 External Router)

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In Huawei's SD-WAN solution, for the scenario of "branch access to cross-border public clouds (such as AWS in North America)," which of the following technologies can "optimize cross-border link transmission performance and reduce cross-border latency"?

• A.Reduce cross-border transmission bandwidth and decrease link load.
• B.Access is only made using a regular internet connection; no cross-border optimization is performed.
• C.All cross-border cloud access is relayed through the domestic headquarters, increasing the length of the cross-border link.
• D.SD-WAN Cross-border Acceleration Technology (Select optimized cross-border links and enable TCP acceleration)

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In Huawei's WAN bandwidth optimization solution, which of the following technologies can be used to optimize "HTTP/HTTPS services" and improve access speed? (Multiple choice)

• A.No caching or compression, directly forwards HTTP/HTTPS traffic.
• B.HTTPS offloading (edge nodes perform HTTPS decryption, reducing server load)
• C.HTTPS traffic is not processed; all decryption is performed on the server side .
• D.Dynamic content compression (compressing and transmitting HTTP response content)
• E.HTTP caching (edge node caching of static resources, such as images and CSS)

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In an MPLS VPN network, which of the following technologies can "create an independent routing table for each VPN user, achieving isolation at the routing layer"?

• A.VLAN segmentation
• B.Access Control List (ACL)
• C.VPN Instance (VRF)
• D.MPLS tag encapsulation

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In Huawei's WAN management platform, which of the following functions can "set bandwidth usage threshold alarms (such as alarms when bandwidth utilization exceeds 80%) to promptly detect bandwidth overload"?

• A.Bandwidth quota allocation
• B.Bandwidth threshold alarms and monitoring
• C.Bandwidth usage statistics report
• D.Applying traffic shaping

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