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






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






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






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






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






6. 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






7. 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?






8. 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.)






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






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






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 of the protocols below use TCP at the transport layer?






14. 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






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






16. 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?






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






18. Which fields are included in the TCP header?






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






20. 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?






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






22. 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?






23. 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?






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






25. 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?






26. 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?






27. 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?






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






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






31. 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?






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






33. 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?






34. 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






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






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






37. Which of the following are true of Ethernet technology?






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






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






40. 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?






41. 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






42. Network equipment supporting the use of flow control mechanisms has been recently installed in the CK network. What is the purpose of flow control in a data network?






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






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






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






46. 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)






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






48. 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






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






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