A Server at a company called NETWORKWALKS is using TCP/IP protocol to connect to the Network & is running multiple applications. At which layer of OSI Model is this Server operating? This Server is operating at Application Layer of OSI Model   What are LLC and MAC sublayers? What are their functions? LLC & MAC Sublayers are the two sub-divisions of Data link layer (Layer 2) of the OSI model. Media Access Control (MAC) sublayer controls device interaction Logical Link Control (LLC) sublayer controls LLC sublayer deals with addressing and multiplexing   Which Layer is used to deal with mechanical … Continue reading OSI Model Interview Questions for CCNA