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






2. Which OSI layer header contains the address of a destination host that is on another network?






3. A Certkiller Ethernet switch receives a unicast frame with a destination MAC that IS listed in the switch table. What will this switch do with the frame?






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






5. A Certkiller switch is configured with all ports assigned to VLAN 2. In addition - all ports are configured as full-duplex FastEthernet. What is the effect of adding switch ports to a new VLAN on this switch?






6. 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?






7. 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?






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






9. In which circumstance are multiple copies of the same unicast frame likely to be transmitted in the Certkiller Switched LAN?






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






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






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






13. On a half-duplex Ethernet LAN - two hosts attempt to send data simultaneously - resulting in a collision. Following this collision - what will the hosts do?






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






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






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






17. 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?






18. While troubleshooting a connectivity problem - the Certkiller network administrator notices that a port status LED on a Cisco Catalyst Series switch is alternating between green and amber. Which condition could this indicate?






19. 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)






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






21. 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?






22. CDP is running between two CK devices. What information is supplied by CDP?






23. 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






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






25. 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?






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






27. 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






28. when files are transferred between a host and an FTP server - the data is divided into smaller pieces of transmission. As these pieces arrive at the destination host they must be reassembled to reconstruct the original file. What provides for the rea






29. 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?






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






31. 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?






32. 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?






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






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






35. 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?






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






37. You unsuccessfully try to ping the Internet from the PC host on the LAN. During the troubleshooting process - you enter the 'show ip nat translations' command but the output is blank. What is the most likely cause of the problem?






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






39. Which of the following services use TCP?






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






41. 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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42. What kind of cable should be used to establish a trunked line between two Catalyst switches?






43. Assuming you build networks to exact specifications - What is the recommended maximum length a 10BaseT cable can be before it has to be segmented or repeated?






44. The system LED is amber on a new Certkiller Catalyst 2950 series switch. What does this indicate?






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






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






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






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






49. The Certkiller network administrator needs to a switch named CK1 to become the root bridge for a redundant path switched network. What can be done to ensure that CK1 will always assume the role as the root bridge?






50. 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?







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