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. 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?






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






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






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






6. Which fields are included in the TCP header?






7. 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






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






9. 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?






10. 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?






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






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






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






14. 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?






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






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






17. 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






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






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






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






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






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






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






24. Which of the following services use TCP?






25. 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?






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






27. Which of following VLAN frame encapsulation types are configurable on a Cisco switch?






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






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






30. 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?






31. 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?






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






33. 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?






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






35. 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?






36. 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?






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






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






39. A Certkiller technician is troubleshooting connectivity problems between two routers that are directly connected through the serial line. The technician notices that the serial line is up but cannot see any neighbors displayed in the output of the sh






40. 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?






41. 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?






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






43. 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






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






45. 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?






46. 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?






47. 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?






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






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






50. 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