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






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






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. What correctly describes a MAC address?






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






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






7. Default Gateway is incorrect on the host - What is the impact on the communications?






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






9. What is PDU?






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






11. Intermediary devices used to implement security between networks






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






13. statements of IP adressing






14. If there is a graphic representation of a company network wiring and equipment - What is this called?






15. What is the primary purpose of Layer 4?






16. What would be the response displayed after pinging 127.0.0.1 and there is a 0 packet transmission?






17. 3 properties of peer-2-peer applications






18. 3 features that allow TCP to realibly and accurately track the transmission of data






19. Which characteristics describe fiber optic cable?






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






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






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






23. Which layer supplies services and allows user interface?






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






25. 3 functions of the upper data link sublayer in the OSI model






26. What event occurs during the 3-way handshake?






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






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






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






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






31. 2 functions of encapsulation






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






33. 3 statements of media acess control






34. 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






35. 3 primary functions of the data link layer encapsulation






36. What are 2 protocols for transfering web resources?






37. What method of signal transmission uses radio waves to carry signals?






38. What is an automated service that matches resource names w/ required IP addresses?






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






40. Which transport layer protocol provides low overhead and is used for applications that do not require reliable data delivery?






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






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






43. 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?






44. In a connectionless system - What is correct?






45. What is a default gateway address?

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






47. What is the primary function of encapsulating packets into frames?






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






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






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