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






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






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






4. 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?






5. 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)






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






7. 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?






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






9. 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






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






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






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






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






14. 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?






15. 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?






16. 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?






17. 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






18. 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






19. 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?






20. 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?






21. 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?






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






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






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






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






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






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






28. 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?






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






30. Which of the following services use TCP?






31. 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






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






33. 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?






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






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






36. 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?






37. 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?






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






39. 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?






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






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






42. 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?






43. 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?






44. 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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45. 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?






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






47. 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






48. 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?






49. Which fields are included in the TCP header?






50. 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?