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. 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?






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






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






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






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






6. 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?






7. 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)






8. 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






9. 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?






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






11. 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?






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






13. 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?






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






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






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






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






18. 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?






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






20. 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?






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






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






24. You need to perform some initial configuration tasks on a new Certkiller switch. What is the purpose of assigning an IP address to a switch?






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






26. While troubleshooting a connectivity problem on the network - you issure the ping command from your PC command prompt - but the output shows 'request times out' At which OSI layer is this problem associated with?






27. Which of the following services use TCP?






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






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. 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?






31. 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?






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






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






34. 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?






35. 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?






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






37. In a switched LAN network - What is the Spanning-Tree algorithm used for?






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






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






40. 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






41. 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?






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






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






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






45. Certkiller has implemented the use of the Virtual Trunking Protocol (VTP). Which statement below accurately describes a benefit of doing this?






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






47. 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?






48. 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?






49. 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






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