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. 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?






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






4. 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?






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






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






7. 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?






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






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






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






11. 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?






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






13. 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.)






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






15. 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?






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






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






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






19. 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?






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






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






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






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






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






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






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






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






28. 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?






29. 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?






30. Which of the following services use TCP?






31. 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?






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






33. 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?






34. 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






35. 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






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






37. 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?






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






39. 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?






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






41. The Certkiller network administrator issues the ping 192.168.2.5 command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test?






42. 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






43. 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.






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






45. Which fields are included in the TCP header?






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






47. 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?






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






49. Which one of the following characterisitcs is true regardigin the use of the hubs and switches?






50. 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