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. 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






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






3. 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?






4. A Certkiller switch is configured with all ports assigned to VLAN 2. In addition - all ports are configured as full-duplex FastEthernet. What is the effect of adding switch ports to a new VLAN on this switch?






5. 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?






6. 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?






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






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






9. Which fields are included in the TCP header?






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






11. 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.






12. 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?






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






14. 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?






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






16. 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?






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






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






19. 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?






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






21. 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






22. 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?






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






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






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






26. 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?






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






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






29. You need to configure two Certkiller switches to exchange VLAN information. Which protocol provides a method of sharing VLAN configuration information between these two switches?






30. 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?






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






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






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






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






35. You want to upgrade the Certkiller LAN so that all ports operate in full duplex mode. Which statement is true about full-duplex Ethernet when comparing to half-duplex Ethernet?






36. 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?






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






38. 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?






39. 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?






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






41. 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?






42. 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?






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






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






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






46. 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






47. 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?






48. 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?






49. Which of the following correctly describe steps in the OSI date encapsulation process?






50. The Certkiller corporate LAN consists of one large flat network. You decide to segment this LAN into two separate networks with a router. What will be the affect of this change?

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