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






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






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






4. 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?






5. 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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6. 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?






7. 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






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






9. 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






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. 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?






12. 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






13. 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?






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






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






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






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






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






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






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






21. 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?






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






23. 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)






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






25. 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






26. 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?






27. 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






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






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






30. 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?






31. 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?






32. Which of the following services use TCP?






33. 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?






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






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






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






38. 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.)






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






40. 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






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






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






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






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






45. 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?






46. 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?






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






48. 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






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






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