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. 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?






2. 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?






3. 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?






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






5. 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






6. While troubleshooting an issue in the Certkiller LAN you notice that a network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement - What is known about the network interface port?






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






8. 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?






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






10. 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?






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






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






13. 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






14. 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






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






16. Which fields are included in the TCP header?






17. 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?






18. 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?






19. 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?






20. 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?






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






22. 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)






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






24. 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?






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






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






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






28. 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






29. 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






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






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






32. 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?






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






34. 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?






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






36. 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






37. 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?






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






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






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






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






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






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






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






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






47. 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






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






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






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