Which protocol(s) does Redfish use?

Question

Options

• AJSON and OData only
• BJSON only
• CJSON, OData, and SNMP
• DOData only

• A
  88% (21)
• B
  4% (1)
• D
  8% (2)

Explanation

Redfish is a modern, RESTful hardware management API standard that uses JSON for data formatting and OData (Open Data Protocol) for RESTful query conventions and metadata - making option A correct. JSON handles the structured payload representation, while OData provides the conventions for filtering, querying, and navigating the API's schema. Option B is wrong because OData is equally fundamental to Redfish, not an optional add-on. Option C is wrong because SNMP is a completely separate, older management protocol - Redfish was specifically designed as a modern replacement for SNMP-based management. Option D is wrong because OData alone cannot carry the data payloads; JSON is required alongside it.

Memory tip: Think "Redfish = Just Odata" - JO like the first two letters of JSON and OData together. If you see SNMP paired with Redfish, that's a trap - they are competing protocols, not partners.

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