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. What is PDU?






2. What subnet mask will an admin assign to the network address 172.30.1.0 if its possible to have 254 hosts?






3. If you have a PC - 3 routers and a Laptop... How many unique CRC calculation will take place as traffic routes from the PC to the Laptop?






4. What is the purpose of resource records in DNS?






5. During a TCP session - if packets arrive out of order - what will happen?






6. What is the function of the DLL?






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






8. 2 characteristics of peer-2-peer






9. 3 common problems w/ a large network






10. After a routers ends its boot sequence - the admin wants to check the routers config. From the EXEC mode - which commands can the admin use?






11. What networking devices are recommended to be assigned static IP addresses?






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






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






14. An admin needs a media that can run up to 100m in legth. Which type of media would be best?






15. What process routers use to determine the subnet network address w/ an IP address and a subnet mask?






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






17. When a network service fails - which port is most often used to access a router for management purposes?






18. What describes the purpose of default route?






19. What do you need to use for an initial configuration on a Cisco router?






20. After an ethernet collision - which device has priority to transmit data?






21. 3 measures of data transfer






22. 3 statements about routes and their use






23. When destination network is not in the routing table - What are 2 actions the router might take?






24. What is a characteristic of a logical point-to-point topology?






25. Statements that describe LAN






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






27. When a collision occurs using CSMA/CD - how do hosts w/ data to transmit respond after the backoff period expires?






28. What is a benefit of a WAN?






29. What determines the method of media access control?






30. What are 3 pieces of info about a route contained in a routing table?






31. What is a component of a routing table entry?






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






33. What characteristic of an UTP helps reduce interference?






34. Which characteristics describe fiber optic cable?






35. 3 statements about the role of routers in the network






36. 3 functions of the upper data link sublayer in the OSI model






37. What can be a problem that is reduced by adding end-to-end addressing?






38. 3 primary functions of the data link layer encapsulation






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






40. To make a console connection from a comp to a Cisco router - what cable should be used?






41. What is a default gateway address?

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42. What are 3 properties of contention-based media access for a shared media?






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






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






45. 3 characteristics of valid Ethernet Layer 2 addresses






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






47. What does the IEEE 802.2 standard represent in Ethernet technologies?






48. Which OSI model layer is responsible for regulating the flow of information from source to destination - reliably and accurately?






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






50. An admin needs to keep contents private - which access method should he use?