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4A0-100 · Question #253

What is the function of Layer 2?

The correct answer is D. Layer 2 is responsible for the timing of the signals on physical media. See the full explanation below for the reasoning.

Data Link Protocols

Question

What is the function of Layer 2?

Options

  • ALayer 2 is responsible for encapsulating packets into frames for transmission on physical media.
  • BLayer 2 is responsible for encapsulating packets into IP datagrams and routing them.
  • CLayer 2 is responsible for encapsulating application data into TCP/UDP messages.
  • DLayer 2 is responsible for the timing of the signals on physical media.

How the community answered

(27 responses)
  • A
    7% (2)
  • B
    11% (3)
  • C
    4% (1)
  • D
    78% (21)

Topics

#Layer 2#data link layer#frame encapsulation#OSI model

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