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Subjects : cisco, it-skills, ccna
Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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. At which layer of the OSI model does the protocol that provides the information displayed by the 'show cdp neighbors' command operate?






2. 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






3. 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?






4. 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?






5. 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






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






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






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






9. Which of the following services use TCP?






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






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






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






13. Which of the following can lead to the contribution of LAN traffic congestion?






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






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






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






17. 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?






18. 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)






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






20. What is the IEEE standard associated with Gigabit Ethernet?






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






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






23. Which three of the protocols below belong to the application layer? (Select three answer choices)






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






25. 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?






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






27. 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






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






29. 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?






30. 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?






31. You are experiencing intermittent issues relating to congestion within the Certkiller network. What are the possible causes of congestion on this LAN?






32. 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?






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






34. 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






35. 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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36. 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?






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






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






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






40. Which IOS user EXEC command will allow a network technician to determine which router in the path to an unreachable network host should be examined more closely for the cause of the network failure?






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






42. 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






43. You need to describe the various types of flow control to your co-workers. Which of the following are types of flow control that can be used in a network?






44. 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?






45. You are logged into a router and wish to view the layer 3 information about your neighboring Cisco routers. What IOS command gives layer 3 information for of the directly connected router interfaces?






46. 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?






47. 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?






48. As a CCNA candidate - you must know the various layers of the OSI model. At which layers of the OSI model do Wide Area Networks operate in?






49. 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?






50. 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?







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