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CCNA Exploration 4.0: (I) Network Fundamentals Chapter 2: Communications over the Networks
1 Which two layers of the OSI model havethe same functions as the TCP/IP model Network Access Layer? (Choose two.) Network Transport * Physical * Data Link Session

2 What is a primary function of the trailer information added by thedata link layer encapsulation? * supports error detection ensures ordered arrival of data provides delivery to correct destination identifies the devices on the local network assists intermediarydevices with processing and path selection

3 During the encapsulation process, what occurs at the data link layer? No address is added. The logical address is added. * The physical address is added. Theprocess port number is added.

4 What device is considered an intermediary device? file server IP phone laptop printer * switch

5 Which layer encapsulates the segment into packets?

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