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. In networking terms - What is reliability?






2. Are well known ports registered






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






4. What does segmentation provide to communications?






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






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






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






8. Port 25 is?






9. 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)






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






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






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






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






14. Ephermeral port is what type of port






15. What is the port range for Registered ports






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






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

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






19. Port 110 is?






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






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






22. ACK is?






23. Port 194 is?






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






25. What are the transport layer's responsibilities?






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






27. What is a broadcast domain?






28. Port 69 is?






29. Which of the following is true about IP?

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






31. What are the three basic characteristics of IPv4?






32. UDP stands for?






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






34. Name the private address blocks






35. What is the purpose of sequence numbers?






36. Dynamic ports fall into what category of port






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






38. What is the protocol number for UDP?






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






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






41. Why is IP 'media independent'?






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






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






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






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






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






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






48. How many bits are in an IPv6 address?






49. Port 520 is?






50. List three network applications that use UDP