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. Dynamic ports fall into what category of port






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






3. Name the private address blocks






4. Port 8080 is?






5. Port 520 is?






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


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






8. What is the protocol number for UDP?






9. How many bits are in an IPv4 address?






10. 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?






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






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






13. Port 25 is?






14. What is the proper order of SYN sequence?






15. Which of the following is true about IP?


16. What is the default DNS port number?






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






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






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






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






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






22. UDP stands for?






23. List three network applications that use TCP






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






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






26. What is the port range for well known ports






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


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






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






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






31. What are the transport layer's responsibilities?






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






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






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






35. MSN messenger uses TCP or UDP?






36. Port 69 is?






37. Port 23 is?






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






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






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






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






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


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






44. Port 194 is?






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






46. Are well known ports registered






47. Port 110 is?






48. TCP is a ________________ layer protocol.






49. Why is IP 'media independent'?






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