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






2. What are the three basic characteristics of IPv4?






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

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4. Port 25 is?






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






6. MTU stands for ?






7. TCP is a ________________ layer protocol.






8. What does segmentation provide to communications?






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






10. What is the proper order of FIN sequence?






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






12. What is the port range for Registered ports






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






14. How many bits are in an IPv6 address?






15. Port 69 is?






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






17. Why is IP 'media independent'?






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






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






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






21. TCP header provides for






22. Port 194 is?






23. 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?






24. Name the private address blocks






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






26. Port 520 is?






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






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






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






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






31. What are the transport layer's responsibilities?






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






33. What is a broadcast domain?






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






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






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






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

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38. 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.






39. Ephermeral port is what type of port






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






41. List three network applications that use UDP






42. Port 20 is?






43. Dynamic ports fall into what category of port






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






45. UDP does or does not create a session?






46. What four tasks does the network layer perform?






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






48. What is the protocol number for UDP?






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






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