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 proper order of SYN sequence?






2. SYN is?






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






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






5. MSN messenger uses TCP or UDP?






6. What does segmentation provide to communications?






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






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

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9. What is the port range for Registered ports






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






11. What is the default DNS port number?






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






13. How many bits are in an IPv4 address?






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






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






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. Name the private address blocks






18. What are the three basic characteristics of IPv4?






19. MTU stands for ?






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






21. 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.






22. List three network applications that use UDP






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






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

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






26. UDP stands for?






27. Port 69 is?






28. What four tasks does the network layer perform?






29. What is the protocol number for UDP?






30. How many bits are in an IPv6 address?






31. ACK is?






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






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






34. Why does TCP use a sequence number in the header?






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






36. What is the port range for well known ports






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






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






39. What is the proper order of FIN sequence?






40. TCP is a ________________ layer protocol.






41. Port 520 is?






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






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

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






45. UDP does or does not create a session?






46. What are the transport layer's responsibilities?






47. In networking terms - What is reliability?






48. Port 20 is?






49. Port 194 is?






50. List three network applications that use TCP