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






2. 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?






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






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






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 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?






7. An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location?






8. 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?






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






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






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






12. 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?






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






14. 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?






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






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






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






18. 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?






19. You need to configure two Certkiller switches to exchange VLAN information. Which protocol provides a method of sharing VLAN configuration information between these two switches?






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






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






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






23. 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?






24. 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?






25. 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?






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






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






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






29. 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.)






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






31. 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






32. 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?






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






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






35. 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?






36. 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?






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






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






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






40. 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?






41. 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?






42. What are two characteristics of 'store and forward' switching?






43. What are the switch and bridge port characteristics of a layer two spanning-tree network that is fully converged?






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






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






46. 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






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






48. 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






49. A new switch is installed in the Certkiller network. This switch is to be configured so that VLAN information will be automatically distributed to all the other Cisco Catalyst switches in the network. Which of the conditions below have to be met in o






50. 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