Which of the following layers of the OSI model are incorporated in WAN standards? (Choose two.)

16. Which of the following layers of the OSI model are incorporated in WAN standards? (Choose two.)
- physical layer.
application layer.
transport layer.
- data link layer.
session layer.

Which of the following layers of the OSI model are incorporated in WAN standards? (Choose two.)
Which of the following layers of the OSI model are incorporated in WAN standards? (Choose two.)
Which of the following layers of the OSI model are incorporated in WAN standards? (Choose two.)
Which of the following layers of the OSI model are incorporated in WAN standards? (Choose two.)
Which of the following layers of the OSI model are incorporated in WAN standards? (Choose two.)
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