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. What is the purpose of sequence numbers?






2. What four tasks does the network layer perform?






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






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






5. What is the protocol number for UDP?






6. Port 20 is?






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






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






9. Ephermeral port is what type of port






10. What are the transport layer's responsibilities?






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






12. List three network applications that use UDP






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






14. How many bits are in an IPv6 address?






15. Dynamic ports fall into what category of port






16. What is the port range for well known ports






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






18. UDP does or does not create a session?






19. Port 194 is?






20. What is the proper order of FIN sequence?






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






22. Port 23 is?






23. Port 69 is?






24. MTU stands for ?






25. What is the default DNS port number?






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






27. MSN messenger uses TCP or UDP?






28. List three network applications that use TCP






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






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






31. What is a broadcast domain?






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






33. TCP header provides for






34. What is the port range for Registered ports






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






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






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






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

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39. TCP is a ________________ layer protocol.






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






41. UDP stands for?






42. In networking terms - What is reliability?






43. How many bits are in an IPv4 address?






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

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






46. 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)






47. Port 8080 is?






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






49. 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?






50. Why is IP 'media independent'?