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Cisco Network Fundamentals - 2

Subjects : cisco, it-skills
Instructions:
  • Answer 50 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. Which of the following are not functions of the network layer?






2. What is the port range for Registered ports






3. On a particular network how would you determine the default gateway address for a host?






4. IP is designed or not designed to track and manage the flow of packets?






5. ACK is?






6. Which of the following is true about IP?

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7. TCP is a ________________ layer protocol.






8. What are three key factors to consider when grouping hosts into a common network?






9. Which protocol provides connectionless network layer services? IP - TCP - UDB or OSI?






10. The router a network uses to send and receive messages beyond the network is called a ___________ router.






11. What is the netstat utility used for on a host?






12. What is the purpose of TCP/UDP port numbers?






13. In networking terms - What is reliability?






14. If a router needs to send a packet but doesn't know the next hop or destination network - what can it do?






15. The three-way handshake performs what three functions?






16. UDP stands for?






17. When an IP packet is decapsulated - the information in the packet is handed to the upper or lower layers for delivery and processing?






18. What is the port range for dynamic or private ports






19. Which of the following are true about TCP and IP?

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20. UDP does or does not create a session?






21. What is the proper order of FIN sequence?






22. Port 110 is?






23. Which of the following are true about static and dynamic routing?






24. What is the default DNS port number?






25. What does segmentation provide to communications?






26. Encapsulation occurs at all - some or none of the layers of the OSI model?






27. What is the purpose of sequence numbers?






28. Dynamic ports fall into what category of port






29. SYN is?






30. What are the transport layer's responsibilities?






31. End systems use port numbers to select the proper application. What is the lowest port number that can be dynamically assigned by the host system? 1 - 128 - 256 or 1024?






32. What is contained in the header of each segment or datagram?






33. How many bytes of overhead do TCP segments carry? How many does UDP carry?






34. Which is a connectionless protocol - UDP or TCP?






35. Port 25 is?






36. Routes to remote networks with the associated next-hops can be manually configured on the router. What is the same for this type of routing?






37. The three main features of routes in a routing table are?






38. Determines how much data a sending host running TCP/IP can transmit before it must receive an acknowledgment






39. What is the protocol number for UDP?






40. For a network layer packet to travel between hosts - it must be handed down to the _________________ layer - for another layer of encapsulation called framing - and then encoded and put onto the ____________ layer to be sent to the next router.






41. Name the private address blocks






42. What four tasks does the network layer perform?






43. What kinds of problems are caused by excessive broadcast traffic on a network segment?






44. What is a common device used to divide/break up a broadcast domain into smaller broadcast domains?






45. Which of the following are true about network layer encapsulation?






46. What information does a router need to successfully forward packets?






47. Port 69 is?






48. Why is IP 'media independent'?






49. Port 23 is?






50. Which is a connection-oriented protocol - TCP or UDP?






Can you answer 50 questions in 15 minutes?



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