A ____ works at the data link layer and forwards data frames. A. Protocol B. Switch C. TCP/IP D. Router

Which device forwards data and operates at layer three of the Transmission Control Protocol/Internet Protocol (TCP/IP) model?

Which two statements describe the services provided by the data link layer? (Choose two.)Please select 2 correct answers Group of answer choicesIt manages the access of frames to the network media.It packages various Layer 3 PDUs into a frame format that is compatible with the network interface.It maintains the path between the source and destination devices during the data transmission.It defines the end-to-end delivery addressing scheme.It ensures that application data will be transmitted according to the prioritization.It provides reliable delivery through link establishment and flow control.

Which of the following is an example of a link layer protocol used in a LAN?Select one:a. Ethernetb. IPc. TCPd. UDP

The network layer is concerned with __________ of data.c) packets d) bytesa) bits b) frames

Which of the following is an example of a datalink layer protocol used for wireless communication?a) TCPb) Bluetoothc) HTTPd) IP