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 of the protocols below use TCP at the transport layer?






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






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






4. 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






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






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. 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?






8. Which of the following services use TCP?






9. 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?






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






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






12. 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?






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






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






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






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






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






19. 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?






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






21. 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






22. 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?






23. 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






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






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






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






27. 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?






28. 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?






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






30. 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?






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. 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?






33. 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?






34. 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?






35. 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?






36. 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?






37. 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?






38. 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?






39. Which Layer 4 protocol is used for a Telnet connections between two CK routers?






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






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






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






44. 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?






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






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






47. 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?






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






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






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