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. If you have a small network w/ 3 computers...






2. What are 2 forms of application layer software?






3. During encapsulation - what happens in the Data Link Layer?






4. What describes the purpose of default route?






5. If you want to connect 4 hosts in a home network - what would be the best deviced to be used?






6. Which portion of the network layer address does a router use to forward packets?






7. 2 features that make switches preferable to hubs






8. How does the application layer on a server process multiple client requests for services?






9. What is a protocol that provides connectionless network layer services?






10. Which device is used to create or divide broadcast domains?






11. What command is used to change the default name to 'Costas'?






12. What application layer protocol is used to support file transfers between client and server?






13. What is the purpose of the preamble in an ethernet frame?






14. What is the proper order of the OSI Layers?






15. In an IPv4 environment - what information is used by the router to forward data packets from one interface of a router to another?






16. What kind of problems are caused by excessive broadcast traffic on network segments?






17. What is the primary purpose of Layer 4?






18. What is the primary funcion of the trailer in the Data Link Layer encapsulation?






19. 2 things that will happen if a router receives an ICMP packet which has a TTL value of 1 and the destination host is several hops away






20. What is dinamically selected by the source host when forwarding data?






21. What are 2 features of User Diagram Protocol (UDP)?






22. 3 characteristics of valid Ethernet Layer 2 addresses






23. 3 protocols that operate in the application layer






24. Which IP packet field will prevent endless loops?






25. 3 facts about the network portion of an IPv4 address






26. Intermediary devices used to implement security between networks






27. Which 2 options represent Layer 4 addressing?






28. 3 statements about the role of routers in the network






29. What information is added during encapsulation at OSI Layer 3?






30. What command will you use to place the router into the correct mode to configure an appropiate interface to connect a LAN?






31. At which layer of the TCP/IP model does ethernet operate?






32. Why is flow control used for TCP data transfer?






33. What info is found in the TCP and UDP header info?






34. What statements describe the logical token-passing topology?






35. Which type of cable is most often associated w/ fiber-optic cable?






36. What are 2 layers of the OSI model that have the same functions as the TCP/IP Network Application Layer?






37. What is a mechanism used by TCP to provide flow control as segments travel from source to destination?






38. What can you identify when you examine the Network Layer header?






39. What connectors are commonly associated w/ Cisco's V.35 serial cables?






40. What is a drawback of the CSMA/CD access method?






41. 3 common problems w/ a large network






42. There are too many broadcasts on switches - what can be done?






43. How many bits make up an IPv4 address?






44. 3 measures of data transfer






45. 2 characteristics of clients in data networks






46. What device can check for faults - integrity and performance of media?






47. With TCP/IP encapsulation - which range of port numbers identifies all well known applications?






48. 3 factors that should be considered when implementing Layer 2 protocols






49. What makes fiber preferable to copper for interconnecting buildings?






50. Why are port numbers included in the TCP header of a segment?