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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. List three network applications that use TCP






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






3. What are the transport layer's responsibilities?






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






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

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6. Dynamic ports fall into what category of port






7. What is the port range for well known ports






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






9. When an IP packet is decapsulated - the information in the packet is handed to the upper or lower layers for delivery and processing?






10. What is the proper order of SYN sequence?






11. UDP stands for?






12. MTU stands for ?






13. How many bits are in an IPv4 address?






14. Port 194 is?






15. TCP header provides for






16. At the transport layer - which of the following controls is used to keep a transmitting host from overflowing the buffers of a receiving host? Choose one: Best effort - encryption - flow control - congestion avoidance?






17. Which of the following are true about IP?






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






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






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






21. What is the purpose of sequence numbers?






22. List three network applications that use UDP






23. Port 25 is?






24. In networking terms - What is reliability?






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






26. ACK is?






27. 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)






28. 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?






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






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






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






32. What is the default DNS port number?






33. How many bits are in an IPv6 address?






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

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






36. Port 110 is?






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






38. Which of the following is true about IP?

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39. What is the proper order of FIN sequence?






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






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






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






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






44. What are the three basic characteristics of IPv4?






45. TCP is a ________________ layer protocol.






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






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






48. Port 23 is?






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






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







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