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Cisco Certification Data Encapsulation

Subjects : cisco, it-skills
Instructions:
  • Answer 24 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What is the layer 2 (Data Link) control information that is added to the Header?


2. What is Service Data Unit (SDU) comsidered in layers 5 -6 &7?






3. What is a MPDU (MAC Protocol Data Unit)?






4. What gets added to the service data unit at the Data Link layer?






5. What is data called after the Source and Destination 'MAC addresses' are added at layer 2 (Data Link)?






6. What is a PDU (Protocol Data Unit)?






7. When moving from top to bottom through the OSI model layers - which comes first - packets or segments?






8. What is the short description of the encapsulation process?






9. What happens to the PDU at layer 3 (Network)?


10. What is data called after a Header is added?






11. Which OSI model layer uses service data units called frames?






12. What is a SDU (Service Data Unit)?






13. In general What are the responsibility of the upper layers?






14. In an OSI context what happens to a PDU that is being Transmitted?


15. What happens to data at layer 4 (Transport)?






16. What is the layer 4 (Transport) control information that is added to the Header?






17. What happens to the PDU at layer 1(Physical)?






18. What happens to the PDU at layer 2(Data Link)?


19. What is the process called at the receiving Host?






20. In an OSI context what happens to a PDU that is being recieved?


21. What is the layer 3 (Network) control information that is added to the Header?


22. Where does the process of data encapsulation start?






23. What is data called after the Source and Destination 'IP addresses' are added at layer 3 (Network)?






24. What gets added to the service data unit at the Network layer?