Knowledge Checks

Link-layer services.

Which of the following services may be implemented in a link-layer protocol? Select one or more statements.

TLS security (including authentication) between directly connected nodes.

End-end path determination through multiple IP routers.

Reliable data transfer between directly connected nodes.

Coordinated access to a shared physical medium.

Flow control between directly connected nodes.

Lookup and forwarding on the basis of an IP destination address.

Bit-level error detection and correction.

Multiplexing down from / multiplexing up to a network-layer protocol.

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