Test your basic knowledge |

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 true about TCP and IP?

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2. TCP header provides for






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






4. MSN messenger uses TCP or UDP?






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






6. What are the three basic characteristics of IPv4?






7. List three network applications that use UDP






8. What does segmentation provide to communications?






9. 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.






10. During data transfer - What is the receiving host responsible for?






11. What is the protocol number for UDP?






12. What is the name of the process of removing the OSI Layer 2 information from an IP packet?






13. Port 520 is?






14. Port 110 is?






15. IP requires that each sending and receiving device have a __________ IP address.






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






17. Are well known ports registered






18. What is a broadcast domain?






19. What is the port range for well known ports






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






21. How does UDP keep track of sequence numbers?

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22. ACK is?






23. What is the default DNS port number?






24. Why is IP 'media independent'?






25. What is the port range for Registered ports






26. 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?






27. Routers add routes for the connected networks to their ________________ .






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






29. What two commands can be used to view a host's routing table?






30. What is the purpose of the ToS field in the IPv4 header?






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






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






33. Ports can be shared at the same time? (t/f)

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






35. 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?






36. Which protocol provides just the basic functions for efficiently delivering data pieces between appropriate applications - TCP or UDP?

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37. What four tasks does the network layer perform?






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






39. Port 23 is?






40. Dynamic ports fall into what category of port






41. What is the purpose of sequence numbers?






42. SYN is?






43. Name the private address blocks






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






45. TCP is a ________________ layer protocol.






46. List three network applications that use TCP






47. In networking terms - What is reliability?






48. Which protocol ensures more reliable delivery between applications - TCP or UDP?






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






50. What are the transport layer's responsibilities?