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Juniper JN0-105 Practice Test 2

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Question 1 / 40

What is the protocol data unit (PDU) of the Data Link Layer?

segment
segment
byte
byte
frame
frame
bit
bit
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Suggested answer: C
Explanation:

In the OSI model, the Data Link Layer is responsible for node-to-node delivery of data. It frames the packets received from the Network Layer and prepares them for physical transmission. The Protocol Data Unit (PDU) for the Data Link Layer is called a 'frame.' Frames encapsulate the network layer packets, adding a header and a trailer that include the hardware addresses of the source and destination, among other things, facilitating the data link layer services like frame synchronization, flow control, and error checking.

asked 18/09/2024
Ankit Singh
40 questions