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 method of signal transmission uses radio waves to carry signals?






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






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






4. How many bits make up an IPv4 address?






5. What is the purpose of a default gateway?






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






7. 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






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






9. What are 2 forms of application layer software?






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






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






12. 2 functions of encapsulation






13. 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?






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






15. If there are potential electrical and/or electromagnetic hazards - what type of media is recommended for backbone cabling?






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






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






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






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






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






21. After a browser makes a request to a web server in the standard port - what will be the port number in the TCP header?






22. What type of network cable is used between a terminal and a console port?






23. What is the name of the application layer protocol used for file sharing on Microsoft Networks?






24. What is the primary purpose of Layer 4?






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






26. 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?






27. 3 functions of the upper data link sublayer in the OSI model






28. 2 characteristics of clients in data networks






29. 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?






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






31. 3 factors that should be considered when implementing Layer 2 protocols






32. In a connectionless system - What is correct?






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






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






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






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






37. What is the primary purpose of ARP?






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






39. 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?






40. What is the function of the DLL?






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






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






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






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






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






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






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






48. 3 common problems w/ a large network






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






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