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. You are the administrator of the Certkiller LAN and you have been reviewing error logs of networking devices and notice a large number of errors associated with several MAC addresses. You suspect that some of the errors are being generated by the rou






2. Two buildings on the London campus of a CK corporation must be connected to use Ethernet with a bandwidth of at least 100 Mbps. CK is concerned about possible problems from voltage potential differences between the two buldings. Which media type shou






3. Which of the following are spanning tree port states?






4. You download a file from an FTP site on the Internet. What is the highest layer in the OSI model used in this FTP operations?






5. As a network Admin - you will need to decide on the appropriate network devices to use. Which of the following correctly describes the roles of the devices in a WAN?






6. Which two of the following values does STP take into consideration when it elects the root bridge?






7. The Certkiller network administrator wants to use a router named CK1 to segment the local network. What are some of the advantages of using CK1 to segment the network? (Choose two)






8. The Certkiller LAN is upgrading all devices to operate in full duplex. Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet?






9. Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet?






10. Both the switches and hubs are being utilized within the CK network. Which of the following is true regarding the use of switches and hubs for the network connectivity in this network?






11. Which OSI layer is associated with the following: The acknowledgment of transmissions - sequencing - and flow control across a network?






12. Which of the following correctly describe the various functions and virtues of a router?






13. Which of the protocols below - operates at Layer 2 of the OSI model - and is used to maintain a loop-free network?






14. You want to upgrade the Certkiller LAN so that all ports operate in full duplex mode. Which statement is true about full-duplex Ethernet when comparing to half-duplex Ethernet?






15. Acknowledgements - sequencing - and flow control are functions that are handled by which layer of the OSI model?






16. Network equipment supporting the use of flow control mechanisms has been recently installed in the CK network. What is the purpose of flow control in a data network?






17. What is the purpose of the spanning-tree algorithm in a switched LAN?






18. The corporate head office of Certkiller has a teleconferencing system that uses VOIP (voice over IP) technology. This system uses UDP as the transport for the data transmissions. If these UDP datagrams arrive at their destination out of sequence - wh






19. Which of the following devices can the Certkiller network administrator use to segment the LAN?






20. While troubleshooting an issue in the Certkiller LAN you notice that a network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement - What is known about the network interface port?






21. The LAN needs are expanding at the CK corporate office - which is quickly growing. You are instructed to enlarge the area covered by a single LAN segment on the CK network. Which of the following are layer 1 devices that you can use?






22. While troubleshooting a network connectivity problem - a Certkiller technician observes steady link lights on both the workstation NIC and the switch port to which the workstation is connected. However - when the ping command is issued from the works






23. Which of the following are types of flow control?






24. Which Layer 4 protocol is used for a Telnet connections between two CK routers?






25. Which line from the output of the show ip interface command indicates that there is a Layer 1 problem?






26. The Certkiller network administrator issues the ping 192.168.2.5 command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test?






27. When a switch port is used as a VLAN trunk - which of the following trunk modes are valid?






28. You have set up an Internet based FTP server - where people can upload and download files. In terms of the OSI model - What is the highest layer used during the FTP sessions.






29. You need to perform some initial configuration tasks on a new Certkiller switch. What is the purpose of assigning an IP address to a switch?






30. Which two statements describe the operation of the CSMA/CD access method - which is in use on the Certkiller network?






31. A host computer has been correctly configured with a static IP address - but the default gateway is incorrectly set. Which layer of the OSI model will be first effected by this configuration error?






32. Split horizon has been enabled within the Certkiller routed network. Which one of the following statements best explains the split horizon rule?






33. Which layer of the OSI reference model is responsible for ensuring reliable end to end delivery of data?






34. Which of the following services use TCP?






35. As a CCNA candidate - you will be expected to know the OSI model very well. Which of the following are associated with the application layer (layer 7) of the OSI model?






36. Which of the protocols below use TCP at the transport layer?






37. As the Certkiller network administrator - you are required to have a firmunderstanding of the OSI model. Why does the data communication industry use the layered OSI reference model?






38. The CK network administrator needs to determine what LAN devices to install on the CK network. What are two advantages of using Layer 2 Ethernet switches over hubs?






39. CK1 is a switch in the Certkiller network. Why will CK1 never learn the broadcast address?






40. You want to influence the root bridge selection within the Certkiller LAN. Which two values are used by spanning tree protocol to elect a root bridge? (Choose two.)






41. CDP is being used trhoughout the CK network. What are two reasons why the CK network administrator would use CDP?






42. Both bridges are switches are being used throughout the CK LAN. Which of the following statements are true regarding bridges and switches in this network?






43. ICMP is often used in troubleshooting and verifying network. What statements are true regarding ICMP packets?






44. Which protocol uses TCP port 443 at layer 4?






45. Certkiller has implemented the use of the Virtual Trunking Protocol (VTP). Which statement below accurately describes a benefit of doing this?






46. Although TCP segments are similar to UDP segments - TCP packets contains some additional fields. Which of the following are found in a TCP header - but not in a UDP header?






47. When comparing and contrasting the similarities and differences between bridges and switches - which of the following are valid statements?






48. With regard to Ethernet media access methods - which of the following are true?






49. At which layer of the OSI model does the protocol that provides the information displayed by the 'show cdp neighbors' command operate?






50. Which of the following commands would be applied to a WAN interface - but not on LAN Interface?