To which two layers of the OSI model do WAN technologies provide services? (Choose two.)

Oct 20, 2021 Last Updated: Oct 20, 2021 No Comments
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IT Questions Bank › Category: CCNA › To which two layers of the OSI model do WAN technologies provide services? (Choose two.)

To which two layers of the OSI model do WAN technologies provide services? (Choose two.)

  • presentation layer
  • data link layer
  • network layer
  • physical layer
  • transport layer
  • session layer

Explanation: WAN operations focus primarily on the physical layer and the data link layer of the OSI model.

Exam with this question: CCNA 3 v7 Module 7 Quiz - WAN Concepts

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