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






2. 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?






3. 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?






4. 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






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






6. 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?






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






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






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






10. 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?






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






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






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






14. 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?






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






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






17. 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?






18. 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?






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






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






21. The Certkiller LAN is upgrading all devices to operate in full duplex. Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet?






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. 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?






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






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






26. 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?






27. 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?






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






29. Which fields are included in the TCP header?






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






31. 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?






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






33. 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?






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






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






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






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






38. 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?






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






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






41. 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






42. 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






43. 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?






44. 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






45. 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?






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






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






48. 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?






49. 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?






50. 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?