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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 is a connection-oriented protocol - TCP or UDP?






2. What is the port range for well known ports






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






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






5. How does UDP keep track of sequence numbers?

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6. Port 8080 is?






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






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

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9. The value of the ACK number field is equal to the client ISN plus ___________ (number)?






10. List three network applications that use TCP






11. Which of the following is true about IP?

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






13. At the transport layer - which of the following controls is used to keep a transmitting host from overflowing the buffers of a receiving host? Choose one: Best effort - encryption - flow control - congestion avoidance?






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

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






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






17. 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?






18. What is the purpose of sequence numbers?






19. Ephermeral port is what type of port






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






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






22. Why is IP 'media independent'?






23. MTU stands for ?






24. Port 69 is?






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






26. Name the private address blocks






27. Port 110 is?






28. UDP does or does not create a session?






29. Dynamic ports fall into what category of port






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






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






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






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






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






35. TCP header provides for






36. ACK is?






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






38. What is the proper order of SYN sequence?






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






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

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






42. Port 25 is?






43. What does segmentation provide to communications?






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






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






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






47. MSN messenger uses TCP or UDP?






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






49. What is the port range for Registered ports






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






Can you answer 50 questions in 15 minutes?



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