Which statement is true about the TCP$/$IP and OSI models?The first three OSI layers describe general services that are also provided by the TCP$/$IP Internet layer a OThe TCP$/$IP network access layer has similar functions to the OSI network layer $.$b OThe TCP$/$IP transport layer and OSI Layer $4$ provide similar services and functions $.$c O$-$The OSI Layer $7$ and the TCP$/$IP application layer provide identical functions $.$d O