Which among the following is not an API of the software communication architecture put forth by the SDR forum?(a) Physical(b) MAC(c) Security(d) TransportThe question was asked by my school teacher while I was bunking the class.This question is from Building CRA on SDR Architecture in chapter Cognitive Radio Architecture of Cognitive Radio

Which among the following is not an API of the software communication

1.	Which among the following is not an API of the software communication architecture put forth by the SDR forum?(a) Physical(b) MAC(c) Security(d) TransportThe question was asked by my school teacher while I was bunking the class.This question is from Building CRA on SDR Architecture in chapter Cognitive Radio Architecture of Cognitive Radio
Answer» Correct option is (d) Transport Explanation: An application programming interface is a COMPUTING interface that connects to a software component or a system. Components may ACCESS the API as per the terms presented by the API itself. In software communication architecture, API determines access to the physical layer, to the logical link layer, to the MEDIUM access control layer, to the SECURITY FEATURES, and to the input/output components.

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