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. An admin wants to evaluate all traffic in a network. To ensure that all packets are captured - what network device should be used?






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






3. 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?






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






5. What is the primary purpose of ARP?






6. At which layers of the OSI model does ethernet operate?






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






8. Which OSI layer is responsible for binary transmission - cable specification - and physical aspects of network communication?






9. 3 common problems w/ a large network






10. What do end devices do?






11. 3 measures of data transfer






12. 3 facts about the network portion of an IPv4 address






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






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






15. Where is the IOS file stored at?






16. In a connectionless system - What is correct?






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






18. What are 2 common characteristics associated w/ dynamic routing protocols?






19. 3 factors that should be considered when implementing Layer 2 protocols






20. Which combination of keys can be used to interrupt a ping or traceroute process?






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






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






23. 3 protocols that operate in the application layer






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






25. A company is planning to subnet a network w/ 27 hosts. What would be the subnet mask used for this?






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






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






28. What are the advantages of using a client-server model?






29. 3 features that allow TCP to realibly and accurately track the transmission of data






30. What is the purpose of the TCP/IP Network Application Layer?






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






32. What is the primary rope of the physical layer in transmitting data?






33. What are key considering factors when grouping hosts into common networks?






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






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






36. What is a characteristic of a single-mode fiber-optic cable?






37. On a ethernet segment - why do hosts that experience a collision use a random delay before attempting to transmit?






38. Statements that describe LAN






39. If you have a full-duplex operational network - what can happen?






40. A router interface has been assigned an IP address of 172.16.192.166 with a mask of 255.255.255.248. To which subnet does the IP address belong?






41. What is the role of the OSI Application Layer?






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






43. 2 characteristics of clients in data networks






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






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






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






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






48. Which 2 options represent Layer 4 addressing?






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






50. What 2 type of cables would most commonly be used for new runs?