At which OSI layer is a source MAC address added to a PDU during the encapsulation process?presentation layerapplication layertransport layerdata link layer

At which OSI layer is data added to a PDU during the encapsulation process?network layertransport layerdata link layerapplication layerNavigation Bar

At which OSI layer is a source port number added to a PDU during the encapsulation process?application layernetwork layertransport layerpresentation layer

At which layer of the OSI model would a logical address be added during encapsulation?network layerphysical layertransport layerdata link layer

Identify the OSI layer in which MAC address is associated to _____________?PhysicalData LinkTransport Network

Which OSI layer uses MAC addresses to ensure messages are delivered to the correct device?TransportNetworkPhysicalData link