In a scenario where a VXLAN tunnel is dynamically established through BGP EVPN, which of the following statements about the functions of BGP EVPN Type 3 routes is incorrect?

• A.If the VTEP IP address of a Type 3 route is reachable at Layer 3 and the peer VNI is the same as the local VNI, an ingress replication list is created for forwarding BUM packets.
• B.Type 3 routes carry L2VNIs and VTEP IP addresses.
• C.Type 3 routes carry L3VNIs.
• D.If the VTEP IP address carried in the received Type 3 route is reachable at Layer 3, a VXLAN tunnel to the peer end is established.

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Which of the following statements regarding RT are correct?

• A.Each VPN instance is associated with one or more pairs of VPN Target attributes, used to control VPN routing information advertisement and reception between sites.
• B.Export Target and Import Target are independent of each other and support multiple values to implement flexible VPN routing information advertisement and reception control.
• C.RTs are classified into two types: Export Target and Import Target.
• D.The RT value is advertised to neighbors through the BGP extended community attribute in Update messages.

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In a scenario where SR Policies are dynamically established through the controller, which of the following statements about the SR Policy solution architecture is incorrect?

• A.The controller uses NETCONF to deliver configurations such as service interfaces and routing policies.
• B.The controller uses BGP-LS to collect tunnel topology information and computes SR Policy paths.
• C.The controller uses telemetry to deliver information such as SRv6 SIDs to construct SID entries.
• D.The controller uses BGP IPv6 SR Policy to deliver SR Policy information, such as the color, headend, and endpoint information.

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During WLAN planning and design, channels 1, 6, and 11 are recommended on the 2.4 GHz frequency band, and channels 1, 5, 9, and 13 are recommended in high-density scenarios. On the 5 GHz frequency band, it is recommended thathigh-frequency and low-frequency channels of adjacent APs be staggered to prevent overlapping.

• A.TRUE
• B.FALSE

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When aclient invokes the iMaster NCE-Campus RESTful API, it sends anHTTP request. The server then returns thestatus code 401.
Which of the following errors has occurred?

• A.The service is unavailable.
• B.Access denied.
• C.The requested resource does not exist.
• D.Unauthorized.

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