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 fields are included in the TCP header?






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






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






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






5. 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?






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






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






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






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






10. Which OSI layer is associated with the following: The acknowledgment of transmissions - sequencing - and flow control across a network?






11. 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






12. Which of the following services use TCP?






13. 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?






14. 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






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






16. 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






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






18. 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?






19. 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?






20. 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?






21. 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?






22. 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?






23. 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?






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






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






26. While troubleshooting a network connectivity problem - a Certkiller technician observes steady link lights on both the workstation NIC and the switch port to which the workstation is connected. However - when the ping command is issued from the works






27. 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?






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






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






30. 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?






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






32. 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.)






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






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






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






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






37. 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






38. 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?






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






40. 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?






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






42. 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






43. 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?






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






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






46. 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?






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






48. 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?






49. 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?






50. 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?







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