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






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






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






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






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






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






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






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






9. 3 factors that should be considered when implementing Layer 2 protocols






10. 3 characteristics of valid Ethernet Layer 2 addresses






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






12. In business LANs - which connector is used w/ twisted-pair networking cable?






13. If you have an Ethernet Frame w/ a Header - Data and a Trailer. It is a...?






14. 3 measures of data transfer






15. 2 common methods for settin a UTP ethernet port to MDI or MDIX?






16. 3 statements about the role of routers in the network






17. 2 most commonly used media types in ethernet networks






18. 2 characteristics of peer-2-peer






19. What causes crosstalk within cable pairs when using UTP?






20. 3 facts about the network portion of an IPv4 address






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






22. What is the primary purpose of ARP?






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






24. What are 2 forms of application layer software?






25. Intermediary devices used to implement security between networks






26. 3 features of IPv6






27. How many host addresses can be assigned to a subnetwork when using the 130.68.0.0 network address w/ a subnet mask of 255.255.248.0?






28. What is the role of MTA in handling email?






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






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






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






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






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






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






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






36. 3 features that allow TCP to realibly and accurately track the transmission of data






37. Which characteristics describe fiber optic cable?






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






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






40. What determines the method of media access control?






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






42. How many bits make up an IPv4 address?






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






44. What is the primary reason for developing IPv6?






45. 3 terms that define the forms of help available within the Cisco IOS






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






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






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






49. Important characteristic of UDP






50. Which layer supplies services and allows user interface?