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. 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?






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






3. 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?






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






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






6. 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






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






8. 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






9. 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?






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






11. 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)






12. 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






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






14. 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?






15. 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?






16. 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?






17. 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?






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






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






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






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. 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?






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






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






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






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






27. 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?






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






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






30. 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?






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






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






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






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






35. 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?






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






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






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






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






40. Which of the following services use TCP?






41. 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?






42. 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?






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






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






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






46. 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?






47. Which fields are included in the TCP header?






48. 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?






49. 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?






50. 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