ADDITIONAL


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1. Identify and describe the functions of each of the seven layers of the OSI reference model.

1. Repeaters work at which layer of the OSI reference model?

2. Routers work at which layer of the OSI reference model?

3. Which layer defines bit synchronization?

4. Which layer defines the physical topology?

5. Which layer hides details of any network-dependent information from the higher layers by providing transparent data transfer?

6. Which layer is responsible for addressing devices and routing through an internetwork?

7. Which layer is responsible for coordinating communication between systems?

8. Which layer is responsible for determining if sufficient resources for the intended communication exists?

9. Which layer is responsible for flow control, acknowledgment, and windowing?

10. Which layer is responsible for framing?

11. Which layer is responsible for identifying and establishing the availability of the intended communication partner?

12. Which layer is responsible for negotiating data transfer syntax?

13. Which layer is responsible for providing mechanisms for multiplexing upper-layer application, session establishment, and tear-down of virtual circuits?

14. Which layer is responsible for putting 1s and 0s into a logical group?

15. Which layer is responsible for synchronizing sending and receiving applications?

A-Application, B-Data Link, C-Network, D-Physical, E-Presentation, F-Session, G-Transport

Choose all that apply

17. Presentation layer standards
18. Session layer standards

A-ASCII, B-EBCDIC, C-JPEG, D-MIDI, E-MPEG, F-NFS, G-PICT, H-RPC, I-SQL, J-TIFF, K-X Window

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Find the answers below!

1-Data-link; 2-Physical; 3-Network; 4-Physical; 5-Physical; 6-Network; 7-Network; 8-Session; 9-Application; 10-Transport; 11-Data-link; 12-Application; 13-Presentation; 14-Session; 15-Physical; 16-Application; 17-ASCII, EBCDIC, JPEG, MIDI, MPEG, PICT, TIFF; 18-NFS, RPC, SQL, X Window; 19. AEFGCBD.