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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 true about TCP and IP?

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2. What is the proper order of FIN sequence?






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






4. Name the private address blocks






5. ACK is?






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






7. Port 69 is?






8. List three network applications that use UDP






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






10. Which of the following are not functions of the network layer?






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






12. What is the purpose of sequence numbers?






13. What is the default DNS port number?






14. What is the proper order of SYN sequence?






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






16. In networking terms - What is reliability?






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






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






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






20. 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?






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






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






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






24. How many bits are in an IPv6 address?






25. Port 520 is?






26. When an OSI Layer 4 PDU has been encapsulated at the network layer it is called a ______________.






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






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






29. TCP is a ________________ layer protocol.






30. TCP header provides for






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






32. What is the port range for well known ports






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






34. Which characteristics are part of TCP? Pick two: Reliable - connectionless - no flow control - resends anything not received?






35. UDP does or does not create a session?






36. Why does TCP use a sequence number in the header?






37. Port 110 is?






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






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






40. Pieces of information about a route that a routing table contains






41. Port 8080 is?






42. Dynamic ports fall into what category of port






43. What is the protocol number for UDP?






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

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45. Are well known ports registered






46. When the client end of the session has no more data to transfer - it sets the ___________ flag in the header of the segment? (Hint: three-letter acronym)






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






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






49. How many bits are in an IPv4 address?






50. Ephermeral port is what type of port







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