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IT: Networking Vocab

Subject : it-skills
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. Theoretical. difference b/w highest and lowest frequency.






2. Layer 7






3. Transport Layer






4. A TCP/Ip troubleshooting utility that displays statistics and the state of current TCP/IP connections. It also displays ports - which can signal whether services are using the correct ports.






5. Consists of procedures and systems that identify system intrusions






6. Networking technology developed at Xerox in the 70s and improved by Digital Equipment Corp - Inel - and Xerox. Most common form of network transmission - follows IEEE 802.3 standard






7. Protocol that encapsulates data for transmission over VPNs






8. Ethernet NICs listen on network and wait until they detect no other nodes transmitting data






9. After typing ping 127.0.0.1 - it tells you the test failed






10. Transport Layer






11. A connector used to terminate coaxial cable used for transmitting television and broadband cable signals






12. The ability to send or receive signals on a medium - but not at the same time.






13. DC






14. Firewall packet inspection that ignores the state of the connection between the internal computer and the external computer - only blocks or allows a packet based on header information.






15. HTTPS - Secure implementation of HTTP






16. A medium that carries 1 signal






17. Defines the physical characteristics of the network






18. Bootstrap Protocol






19. Allows an attached computer to act as a dumb terminal - with data processing taking place on the TCP/IP host computer






20. Individual insulated wire pairs - less expensive then STP - less resistant to noise






21. Power loss - the amount of signal that is lost as it travels though the communication medium from the source (transmitting node) to the receiving node.






22. The actual data - any communication that encodes a message






23. SLIP






24. Process of directing a datagram from its source through an internetwork to its destination using the most efficient path.






25. A worldwide network of interconnected LANs and MANs that uses the TCP/IP protocol to enable people to shares e-mail messages and computer files and to access a vast array of information.






26. A connecting device for a network that accepts messages and forwards them to the correct section of the network. Generally more intelligent than a hub and a switch.






27. Helps you identify percentage of traffic that compromises broadcasts






28. All wires are reversed






29. Prevents broadcast storms by enabling switches to calculate paths that avoid potential loops and artificially block the links that would complete a loop






30. A generic term for data being transmitted






31. Backbone: A high-capacity communications medium that joins networks on the same floor in a building - on different floors - and across long distances.






32. A professional membership society that helps establish technical standards for the internet






33. # of times that waves amplitude cycles - hertz






34. Data Link Layer






35. Layer 1 Troubleshooting






36. Consists of single cable that connects all nodes on a network without intervening connectivity devices - inexpensive - hard to find source of error - not very fault tolerant - data is transmitted in one direction in the ring.






37. A logical process of combining bits. In ANDing - a bit with a value of 1 plus another bit with a value of 1 results in a 1. A bit with a value of 0 plus any other bit results in a 0.






38. An algorithm used to verify the accuracy of data contained in a data frame.






39. Device with little - if any - of it's own processing or disk capacity; depends on a host to supply it with applications and data-processing services






40. Pieces of hardware that connect the wire to the network device






41. 5 segments b/w two nodes - 4 repeating devices - and 3 segments connected by two repeating devices






42. Doesn't use frame headers - uses cells






43. Guarantees that a server continually has power even if a buildings electrical service is interrupted - continuous voltage to a device by switching virtually instantaneously to the battery when it detects loss of power






44. AM






45. Multimode fiber






46. On a computer that receives data over a network - the process in which the device interprets the lower-layer headers and - when finished with each header - removes the header - revealing the next-higher-layer PDU.






47. 1) A computer (mainframe - minicomputer - server - or workstation) that has an operating system enabling multiple computers to access it at the same time for files - data - and services. Programs and information may be processed at the host - or they






48. Also called the physical or MAC address - the hexadecimal number permanently assigned to a network interface and used by the MAC sublayer within the DATA Link layer (Layer 2).






49. Cause by EMI/RFI - and other packets - interference on the signal






50. The organized research of the Internet addresses owned or controlled by a target organization.







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