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. Why is IP 'media independent'?






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






3. What is the protocol number for UDP?






4. In networking terms - What is reliability?






5. 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.






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






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






8. ACK is?






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






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. List three network applications that use TCP






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






13. Ephermeral port is what type of port






14. Which of the following are true about IP?






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






16. Port 110 is?






17. Port 25 is?






18. Port 443 is?






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






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






21. TCP header provides for






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






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

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24. Routes to remote networks with the associated next-hops can be manually configured on the router. What is the same for this type of routing?






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






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






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






28. MSN messenger uses TCP or UDP?






29. How does UDP keep track of sequence numbers?

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






31. MTU stands for ?






32. 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)






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






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






35. Which of the following is true about IP?

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36. Port 20 is?






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

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38. What is the default DNS port number?






39. Port 520 is?






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






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

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42. What is the proper order of SYN sequence?






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






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






45. What is the port range for well known ports






46. What is the port range for Registered ports






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






48. What are the transport layer's responsibilities?






49. Name the private address blocks






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