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






2. 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.






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






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






5. ACK is?






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






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






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






9. What is the proper order of SYN sequence?






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






11. How does UDP keep track of sequence numbers?

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






13. What is the port range for well known ports






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

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15. Port 25 is?






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






17. Port 194 is?






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






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






20. SYN is?






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

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22. What does segmentation provide to communications?






23. What four tasks does the network layer perform?






24. Port 69 is?






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






26. Port 23 is?






27. 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?






28. What is the protocol number for UDP?






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






30. Why is IP 'media independent'?






31. Name the private address blocks






32. 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?






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






34. 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)






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






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






37. List three network applications that use UDP






38. What is the port range for Registered ports






39. Port 110 is?






40. Dynamic ports fall into what category of port






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






42. Ephermeral port is what type of port






43. In networking terms - What is reliability?






44. Port 520 is?






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






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






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






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






49. List three network applications that use TCP






50. What are the three basic characteristics of IPv4?