Just checking if I am right

I hope this the rigth spot to place this questions. First I want you to know that I was told to try and doit which I did. I found many of the answer please let me know if they are correct and please help with the few that I could not find. This was a practice quiz.

I would just like someone to tell me if the answer are correct.

1. is an example of contention access to media.

2. _longitudinal Redundacy check_____is the most effective error detection scheme.

3._Protocol_ is a set of rules that define what a prticular layer of the Internet or OSI model does and provides a defined set of messages that software at that layer needs to understand.

4. autonatic repeat request is--- "a receiver that detects an error in a message and simply asks the sender to retransmit the message unti it is received without error.

5. Multiplexer__combines several LOW speed transmissions into ONE HIGH speed transmission or breaks ONE HIGH speed circuit into seeral lower-speed circuits expanding the number of devices that can simultaneously use a circuit.

6. Asynchronous transmission__is known as start-stop transmission

7. ethernet__is used to transmit a frame or packet of data at a time.

8. Attenuation__is the weakening of a signal over distance.

9. __ of the circuit determines the ciruit’s capacity.

10. Simple mail transfer protocal__ is a commonly used email standard.

11. _______ is a major problem of host-based architecture networks

12. Guided Media_ is the media which can best withstand harsh environmental conditions.

13. Increasing the _________ results in greater bandwidth in a digital transmission.

14. ________ networks can eliminate ALL errors.

15. Broadband_ refers to high-speed communication circuit such as DSL or cable

16. WAN_ is a network that typically uses common carrier circuits (like AT&T and Verizon) and spans a large geographical area.

17. Ethernet_ is a popular byte-count protocol

18. _______ is an effective prevention for attentuation of a signal.

19. Media Access control_ is an example of controlled access to media.

20. Emolate_ is software that translates between software from different vendors and transfers all messages to the correct server from a client.

21. Simplex _ is one of the best ways to prevent noise on a transmission circuit

22. POP Packets_ is a type of request sent to a mail server (there are two answers,pick one)

23. The header_ lists the source and destination email adddress in an email packet.

24. Parallel Mode_ is the transmission mode in which all 8 bits of data are transferred at the same time as opposed to

25. Serial_ mode in which each bit is transferred by itself.

26. Wireless media_ is the primary source of errors in data communcations

27. _________means ensuring that the sending computer is not transmitting too quickly for the receiving computer.

28. _______ is the total number of information bits of a packet (message piece) received per second after subtracting the overhead and error corrections bits.

29. _______ is the process of sending a signal to a client that gives the client permission to transmit OR asks it to receive a packet or message.

30. _______ means that a signal is sent over transmission lines using variable, wavelike patterns as opposed to

31. Infrared_ transmission in which there are exactly two possible states.

32. Transmissions in which there is no return to zero are less susceptible to ________Voltage

33. Point to point configuration___ is the measurement of circuit capacity

34. Bandwith_ is the difference between the highest and lowest transmission frequencies

35. Circuit configuration_is the basic physical layout of the circuit in a network

36. Full Duplex__is transmission in both directions simultaneously.

37. A __thin_____ client places little or no application logic on the client but on the server.

38. client server architectures_ is the most common application architecture in today’s business computing environment.

39. Multy point Configuration___ is another name for a shared circuit which reduces the amount of cable needed for a network.

40.The _Dada link__layer of the OSI or Internet telecommunication model is responsible for the physical transmission circuit and creates message boundaries-indicating where a message starts and stops.

41. Point to Point configuration__ is a type of circuit which is used only by the sending and receiving computer. This type of circuit is quite expensive.

42. The most common, cost effiecient media is ____Fiber optics__.

43. Although still fraught with errors, ________ media is becoming VERY popular even for home LANs.

44. Fiber optics__ is the media with the best security.

45. The physical and data link layers of both telecommunications models are so closely linked they are collectively called the ___Hardware___ layers.

46. All but one of the telecommunication models layers are implemented using _____

47. Circuit_____ is the pathway through which messges travel from one place to another.

48. Intranet____ is a type of LAN that uses the same technologies as the Internet but is open ONLY to those INSIDE an organization.

49. Implitude modulation___ is one form of modulation used to transform digital data into analog signals.

50._ISO____is the organization that makes technical recommendation about telecommunication interfaces on the the Internet



protocol

 

Some of those don't look right.

#7 is synchronous transmission.

#11 is probably overload.

#12 fiber optic is a better answer (more specific).

#18 & #21 sound more like insulation or shielding.

#20 is a description of middleware.

#33 is probably bandwidth.

#46 could be software.

You need to research the rest using your course handouts or recommended texts. As others have said Google is your friend - just enter some key words!

 

Thanks

Hey thank you very much. I look at Google and I came up with the following I think that now everything is correct. Let me know what you think.




1. Ethernet

2. Cyclical redundancy check (CRC)

3. Protocol

4. Retransmission (often called Automatic Repeat Request)

5. Multiplexer

6. Asynchronous transmission

7. Synchronous transmission

8. Attenuation

9. The Range of frequency

10. Simple Mail Transfer Protocol

11. Overload

12. Fiber optic (Guided media)

13. Manchester signals

14. So far there is no network that can eliminate all error. We have some good ones but are not always 100%.

15. Broadband

16. Wide area network (WAM)

17. Ethernet

18. Amplifiers

19. x- on/ x- of

20. Middleware

21. Shielding

22. POP Packet

23. The header

24. Parallel mode

25. Serial mode

26. Impulse noise

27. controlling

28. Transmission rate of information bids (TRIB)

29. Polling

30. Analog transmission

31. Digital transmission

32. Voltage

33. Bandwidth

34. Bandwidth

35. Circuit configuration

36. Full duplex

37. A thin-client

38. Client- server Architectures

39. Multi- point Configuration

40. Dada Link

41. Pont- to- point configuration

42. Fiber optics

43. Wireless media

44. Fiber optics

45. hardware layer

46. Software

47. Circuit

48. Intranet

49. Amplitude modulation (AM)

50. (ISO) Organization for Standardization