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. What are the transport layer's responsibilities?






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






3. TCP is a ________________ layer protocol.






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






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






6. An example of a communication that sends a letter to someone without notifying the recipient in advance is called?






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






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






9. What is the default DNS port number?






10. SYN is?






11. List three network applications that use UDP






12. Port 20 is?






13. UDP does or does not create a session?






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






15. What is the proper order of FIN sequence?






16. What four tasks does the network layer perform?






17. MTU stands for ?






18. How many bits are in an IPv4 address?






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






20. What does segmentation provide to communications?






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






22. Ephermeral port is what type of port






23. Port 110 is?






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






25. Port 69 is?






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

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






28. Port 8080 is?






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






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






31. Port 25 is?






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






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






34. Which of the following are true about IP?






35. In networking terms - What is reliability?






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






37. MSN messenger uses TCP or UDP?






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






39. Port 194 is?






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. Port 443 is?






42. List three network applications that use TCP






43. 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?






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






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






46. What is a broadcast domain?






47. 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)






48. Port 23 is?






49. ACK is?






50. Which of the following is true about IP?

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