In the Huawei CloudFabric solution, the network controller uses the NETCONF device to deliver configurations. Which of the following encodings does NETCONF information use?

Question

Options

• AXML
• BHTML
• CJSON
• DPROTOBUF

• A
  78% (50)
• B
  11% (7)
• C
  8% (5)
• D
  3% (2)

Explanation

NETCONF (Network Configuration Protocol) is defined in RFC 6241 and mandates XML as its encoding format for all RPC messages, configuration data, and responses - this is a core part of the protocol specification, not an optional feature. HTML is a markup language for web content and has no role in network device configuration protocols. JSON is used by RESTCONF (the REST-based successor to NETCONF) and by gRPC-based management interfaces, but not by NETCONF itself. PROTOBUF (Protocol Buffers) is the serialization format used by gRPC/gNMI, which is a separate telemetry and configuration framework popular in modern SDN environments.

Memory tip: Link NETCONF to XML by remembering that both predate the REST/JSON era - NETCONF was standardized in 2006 when XML was the dominant data interchange format, so the two go hand in hand. If you see RESTCONF, switch to JSON; if you see gNMI/gRPC, switch to PROTOBUF.

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