Test your basic knowledge |

Cisco Prep

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. Why does the data communication industry use the layered OSI reference model? (Name two)






2. At which layer is routing implemented - enabling connections and path selection between two end systems?






3. Logical addressing is used at this layer.






4. Convert 192.168.10.15 to binary format.






5. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)






6. Which layer is represented by frames?






7. Which layer segments and reassembles data into a data stream?






8. Which two fields are contained within an IEEE Ethernet frame header?






9. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.






10. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?






11. Ethernet is defined at these layers.






12. This device can measure the distance to a remote network.






13. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?






14. Which layer is represented by bits?






15. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?






16. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?






17. What is the purpose of flow control?






18. Segmentation of a data stream happens at which layer of the OSI model?






19. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.






20. This layer supports flow control and sequencing.






21. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?






22. Which layer is represented by segments?






23. Name four router functions.






24. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?






25. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?






26. When data is encapsulated - which is the correct order?






27. This device can never run full duplex.






28. What are two purposes for segmentation with a bridge?






29. Convert 11000110.11010011.00111001.11010001 to decimal IP format.






30. Convert 172.16.20.55 to binary format.






31. Put the following in order of encapsulation: Packets - Frames - Bits - Segments






32. This device sends and receives information about the Network layer.






33. This device creates one big collision domain and one large broadcast domain.






34. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?






35. What type of RJ45 UTP cable is used between switches?






36. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?






37. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.






38. Convert 10000100.11010010.10111000.10100110 to decimal IP format.






39. A receiving host has failed to receive all of the segments that it should acknowledge. What can the host do to improve the reliability of this communication session?






40. Convert 10.11.12.99 to binary format.






41. What is the bit length and expression form of a MAC address?






42. Name three types of connections that can use full duplex.






43. This layer uses service access points.






44. Which of the following are 3 common types of flow control?






45. Convert 11001100.00110011.10101010.01010101 to decimal IP format.






46. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.






47. Which layer chooses and determines the availability of communicating partners along with the resources necessary to make the connection - coordinates partnering applications - and forms a consensus on procedures for controlling data integrity and err






48. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?






49. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?






50. Which layer is responsible for creating - managing - and terminating sessions between applications?