Question:
Which function or operation is performed by the LLC sublayer?
- It performs data encapsulation.
- It communicates with upper protocol layers.
- It is responsible for media access control.
- It adds a header and trailer to a packet to form an OSI Layer 2 PDU.
Explanation: The Ethernet LLC sublayer has the responsibility to handle communication between the upper layers and the lower layers of the protocol stack. The LLC is implemented in software and communicates with the upper layers of the application to transition the packet to the lower layers for delivery.
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