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






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






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






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






5. Are well known ports registered






6. What is the port range for Registered ports






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






8. What is the port range for well known ports






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






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






11. TCP header provides for






12. What four tasks does the network layer perform?






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






14. 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)






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






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






17. 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?






18. What is the default DNS port number?






19. SYN is?






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






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






22. Port 8080 is?






23. ACK is?






24. Which of the following is true about IP?

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25. Ephermeral port is what type of port






26. List three network applications that use UDP






27. Port 443 is?






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






29. TCP is a ________________ layer protocol.






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






31. How many bits are in an IPv4 address?






32. How does UDP keep track of sequence numbers?

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33. Which of the following are true about IP?






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






35. Port 69 is?






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






37. UDP does or does not create a session?






38. Port 25 is?






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






40. What are the transport layer's responsibilities?






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






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






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






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






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

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46. MTU stands for ?






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






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






49. Port 20 is?






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







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