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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. Positive and zero. 1 and 0's.






2. Public switched telephone network






3. 6th layer; protocols translate between Application and Network layers; data are formatted so that the network can understand - with the format varying according to the type of network; manages data encryption and decryption - such as scrambling of sy






4. Services that allow remote users to connect to the network






5. Device that acts as a wireless switch so that nodes can connect wirelessly to a network.






6. Ensures that messages being transmitted on the internet are private and tamper proof






7. Equivalent to OSI Layer 4 Transport






8. Attachment Unit Interface Cable equipped with 15 pin connectors






9. Type of interference caused by signals traveling on nearby wire pairs infringing on another pair's signal






10. Fiber Distributed Data Interface






11. Physical Layer






12. IRC






13. ISM






14. Interference that may be generated by broadcast signals from radio or TV towers






15. A specialized UN agency that provides developing countries with technical expertise and equipment






16. Feeding everybody in building






17. MX






18. HTTP - SMTP - POP3 - VoIP






19. Glass or plastic shield around the core of a fiber-optic cable; reflects light back to the core in patterns that vary depending on the transmission mode






20. Used with single mode or multi mode fiber optic cable






21. Uses frame headers






22. In CIDR notation - the number of bits used for an extended network prefix. For example - the CIDR block for 199.34.89.0/22 is /22






23. Lower sublayer of the Data Link layer; appends the physical address of the destination computer onto the fram






24. A medium that carries 1 signal






25. The general topic of how on one computer - two adjacent layers in a networking architectural model work together - with the lower layer proving services to the higher layer.






26. Transport Layer






27. Routes packets through network






28. Response generated atTransport layer confirming to sender that its frame was received; 3rd step in establishing a connection






29. BERT






30. The process in which an attacker obtains confidential information by contacting employees and deceiving them into giving up passwords - IP addresses - server names - and so on.






31. Encompasses actions an organization takes when intrusion is detected






32. Device used to regenerate a signal






33. Satellite used for broadband internet access






34. 128 -64 -32 -16 -8 -4 -2 -1






35. A drawback of certification






36. AH






37. Service that supports email






38. Network Layer






39. Also called coax - a network cable medium that consists of a copper core - surrounded by insulation.






40. A connector that is used for thin coax cable and that has a boyonet-like shell.






41. Digital - one signal one channel at a time (half duplexing) ex. ethernet






42. Method of controlling how network nodes access communication channels - ex highway






43. An 8-bit character-coding method consisting of 96 uppercase and lowercase characters and numbers - plus 32 nonprinting characters.






44. Honey pot that has been protected so it cannot be easily compromised






45. Round time trip. time it takes for packet to get from sender to receiver and back






46. Useful for troubleshooting a network connectivity problem from workstation to another workstation






47. Indication a system has just been attacked or is under attack






48. Defines host IP in packet headers






49. CNAME






50. Data Link Layer







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