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. Some of the older Certkiller switches store the entire frame before forwarding it to the destination. What are two effects on network performance of configuring a switch to do this?






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






3. 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?






4. Certkiller is installing IP phones in a new office. The phones and office computers connect to the same device. To ensure maximum throughout for the phone data sessions - the company needs to make sure that the phone traffic is on a different network






5. 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






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






7. Which three statements are true about the operation of a full-duplex Ethernet network - which is being used in the Certkiller LAN?






8. 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?






9. Which of the following correctly describe steps in the OSI date encapsulation process?






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






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






12. 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






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






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






15. While troubleshooting a connectivity problem on the network - you issure the ping command from your PC command prompt - but the output shows 'request times out' At which OSI layer is this problem associated with?






16. The Certkiller corporate LAN consists of one large flat network. You decide to segment this LAN into two separate networks with a router. What will be the affect of this change?

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17. By default - which of the following factors determines the spanning-tree path cost?






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






19. Certkiller users have noticed extremely slow network performance - intermittent connectivity - and connection losses. After entering the 'show interfaces' command - you notice that the Ethernet interface is configured as 100 Mbps full-duplex and that






20. 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?






21. At which OSI layer is a logical path created between two host systems named CK1 and CK2 on the Certkiller LAN?






22. 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?






23. 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?






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






25. When you compare the differences between half-duplex and full-duplex Ethernet - which of the following characteristics are exclusive to half-duplex?






26. 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?






27. You need to perform some initial configuration tasks on a new Certkiller switch. What are the possible trunking modes for this switch port?






28. Why is full-duplex Ethernet superior to its single-duplex counterpart?






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






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






31. Which of the following are true of Ethernet technology?






32. 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?






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






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






35. A network administrator needs to force a high-performance switch that is located in the MDF to become the root bridge for a redundant path switched network. What can be done to ensure that this switch assumes the role of the Root Bridge?






36. In a switched LAN network - What is the Spanning-Tree algorithm used for?






37. A network administrator wants to control which user hosts can access the network based on their MAC address. What will prevent workstations with unauthorized MAC addresses from connecting to the network through a switch?






38. Which of the following services use TCP?






39. 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.






40. Which fields are included in the TCP header?






41. 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?






42. As a Certkiller trainee you are required to set the default gateway on a Cisco switch to the IP address of 192.168.1.115. Which IOS command should you use?






43. 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?






44. 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.)






45. Two stations on the Certkiller LAN transmit at the same time - resulting in a collision. What happens when a collision occurs on the network?






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






47. Cisco is the leader in the router market space. What basic functions do their routers perform in a network?






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






49. 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?






50. 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)