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






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






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






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






5. Port 443 is?






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






7. TCP header provides for






8. What is the proper order of FIN sequence?






9. Why is IP 'media independent'?






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






11. What is the default DNS port number?






12. Which of the following are true about network layer encapsulation?






13. How many bits are in an IPv4 address?






14. 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?






15. ACK is?






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






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






18. 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.






19. Dynamic ports fall into what category of port






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






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






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






23. Ephermeral port is what type of port






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






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






26. On a particular network how would you determine the default gateway address for a host?






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






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 the protocol number for UDP?






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

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31. What is the port range for well known ports






32. MTU stands for ?






33. Port 69 is?






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






35. Port 110 is?






36. 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?






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






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






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

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






41. What is a broadcast domain?






42. 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)






43. In networking terms - What is reliability?






44. What is the proper order of SYN sequence?






45. Port 8080 is?






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






47. Are well known ports registered






48. MSN messenger uses TCP or UDP?






49. Which of the following is true about IP?

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