Test your basic knowledge |

Subjects : cisco, it-skills, ccna
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 primary funcion of the trailer in the Data Link Layer encapsulation?






2. What is the primary function of encapsulating packets into frames?






3. What are 2 common characteristics associated w/ dynamic routing protocols?






4. What information is added during encapsulation at OSI Layer 3?






5. What is the primary reason for developing IPv6?






6. What device can check for faults - integrity and performance of media?






7. 3 protocols that operate in the application layer






8. What is the purpose of the TCP/IP Network Application Layer?






9. What is the purpose of a default gateway?






10. What can be a problem that is reduced by adding end-to-end addressing?






11. What process routers use to determine the subnet network address w/ an IP address and a subnet mask?






12. If you have a small network w/ 3 computers...






13. What causes crosstalk within cable pairs when using UTP?






14. What are 3 properties of contention-based media access for a shared media?






15. What makes fiber preferable to copper for interconnecting buildings?






16. 2 things that will happen if a router receives an ICMP packet which has a TTL value of 1 and the destination host is several hops away






17. There are too many broadcasts on switches - what can be done?






18. When a collision occurs using CSMA/CD - how do hosts w/ data to transmit respond after the backoff period expires?






19. An admin needs a media that can run up to 100m in legth. Which type of media would be best?






20. What networking devices are recommended to be assigned static IP addresses?






21. Default Gateway is incorrect on the host - What is the impact on the communications?






22. During encapsulation - what happens in the Data Link Layer?






23. What are key considering factors when grouping hosts into common networks?






24. What characteristic of an UTP helps reduce interference?






25. In an IPv4 environment - what information is used by the router to forward data packets from one interface of a router to another?






26. What are 2 layers of the OSI model that have the same functions as the TCP/IP Network Application Layer?






27. What application layer protocol is used to support file transfers between client and server?






28. When is a straight-through cable used in a network?






29. What are 3 pieces of info about a route contained in a routing table?






30. Important characteristic of UDP






31. What are 2 protocols for transfering web resources?






32. What can get you to an outside network?






33. What kind of problems are caused by excessive broadcast traffic on network segments?






34. What info is found in the TCP and UDP header info?






35. Group of hosts that have identical bit patterns in the high order bits of their addresses






36. What do end devices do?






37. What are 2 email components used to forward mail between servers?






38. After an ethernet collision - which device has priority to transmit data?






39. What is a default gateway address?

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40. 3 features that allow TCP to realibly and accurately track the transmission of data






41. After a browser makes a request to a web server in the standard port - what will be the port number in the TCP header?






42. 3 statements of media acess control






43. What do the intermediary devices in the network do?






44. What is a protocol that provides connectionless network layer services?






45. What command can be used to determine if the router has experienced any input or output errors?






46. 3 features of IPv6






47. 2 characteristics of clients in data networks






48. After a routers ends its boot sequence - the admin wants to check the routers config. From the EXEC mode - which commands can the admin use?






49. What is the name of the application layer protocol used for file sharing on Microsoft Networks?






50. What method of signal transmission uses radio waves to carry signals?







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