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Broadbandcareers is a recognised and highly regarded by business as a provider of meaningful accredited training across Europe. This page contains Block revision questions for the City & Guilds 3667-02 Award in Communications Cabling units 101 Basic Principles of Communications.

You should now have gone through the revision questions and have the answers prepared for this unit. Which you have received either on disc or by email. You are required to submit your answers through this page for UNIT 101.

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The revision Question answer boxes below, are clearly numbered. Please tick the button, against the letter, which you believe to be the correct answer for that question number of the revision questions that you have.

You will see that to help you tick the correct boxes, we have provided the questions you should answer as a reference. You will note we have not provided the answers that you should choose. Just the letter of the answer that you should select.

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Don't be.. If there are any questions you are not sure of, Still tick a button for an answer. But tell us which of these questions you are not sure of in the form field, which is at the very end of the questions

When you come to us we will then make sure that we talk about these points to make sure that you are happy and confident.

You will note that some boxes do not have the question as a reference. This is because illustrations are involved or there has been a change to a new question.

Just refer to the revision questions that you are using and tick the answer button for the question of that number.

Q1.Which of the following is correct?:
A.
B.
C.
D.

Q2. Which of the following is the largest SI prefix?:
A.
B.
C.
D.

Q3. Which statement best describes DC?:
A.
B.
C.
D.

Q4. What is the current in the circuit shown ?:
A.
B.
C.
D.

Q5. Which of the following is the symbol for a inductor?:
A.
B.
C.
D.

Q6. What does the Index of Refraction relate to?:
A.
B.
C.
D.

Q7. What is Attenuation measured in?:
A.
B.
C.
D.

Q8. Which method of communicating does a telephone use?:
A.
B.
C.
D.

Q9.What is the main physical difference between single and multi mode fibres?:
A.
B.
C.
D.

Q10. What is the cause of electrolytic corrosion and its affects?:
A.
B.
C.
D.

Q11. Where would you use a coupler?:
A.
B.
C.
D.

Q12. What is the unit of measurement “Attenuation” used in fibre optic?:
A.
B.
C.
D.

Q13. What are the typical wavelengths used by a VLS?:
A.
B.
C.
D.

Q14. If power is reduced by a factor of 50% from the control/baseline what would be the result??:
A.
B.
C.
D.

Q15. Insertion loss measurement of a fibre optic system, measures the total loss of the?:
A
B.
C.
D.

Q16. Which of the following is correct in relation to radio waves and wavelength?:
A
B.
C.
D.

Q17. What wavelength(s) typically do Lasers operate for long haul systems?:
A
B.
C.
D.

Q18. What does WDM provide?:
A
B.
C.
D.

Q19. What is the diameter of the most common primary coated optical fibres used in a communication system?:
A.
B.
C.
D.

Q20. Which of the following can provide the highest bandwidth?:
A.
B.
C.
D.

Q21. Which wavelength would be the most susceptible to bending losses?:
A.
B.
C.
D.

Q22. What does the term Refraction relate to within fibre optics?:
A.
B.
C.
D.

Q23. Which of the following is a typical core and cladding dimension of singlemode fibre?:
A.
B.
C.
D.

Q24. When routing/installing fibre optic cable, what main issue may induce unnecessary losses in the system?:
A.
B.
C.
D.

Q25.Which wavelengths of light are commonly used to carry out insertion loss measurements on a multimode fibre optic link?:
A.
B.
C.
D.

Q26.Select the most common secondary coating size from below?:
A.
B.
C.
D.

Q27. The class of laser being used as a light source can be determined from?:
A.
B.
C.
D.

Q28. Multimode fibre with a 62.5um core is which fibre type:?
A.
B.
C.
D.

Q29. 1310nm is a wavelength used with which type of fibre?
A.
B.
C.
D.

Q30. Which of the following is correct in relation to radio waves and wavelength?
A.
B.
C.
D.

Q31. Which is the correct method of cleaning a stripped primary coated fibre:
A.
B.
C.
D.

Q32. A block of 8bits is normally known as?:
A.
B.
C.
D.

Q33. The base S1 unit for distance is?:
A.
B.
C.
D.

Q34. A path for light through an optical fiber is called a? :
A.
B.
C.
D.

Q35. Which of the following is correct in relation to radio waves and wavelength?:
A
B.
C.
D.

Q36. There are two types of radio wave, which of the following are the correct type?:
A
B.
C.
D.

Q37. What is regarded as the maximum Bit Error Rate allowable?:
A
B.
C.
D.

Q38. Which of the following pictures BELOW represents a bus network?:
A
B.
C.
D.

Q39. Which of the following pictures ABOVE represents a ring network?
A.
B.
C.
D.

Q40. What is the size and “fibre type” of a OM3 fibre?:
A.
B.
C.
D.

Q41. Which of the following pictures represents a star network? :
A.
B.
C.
D.

Q42. 42 What is the gain expressed in db’s when signal power increases by a factor of 10?:
A.
B.
C.
D.

Q43. 43 Which of the following is correct for serial data transmission?:
A.
B.
C.
D.

Q44. What does LAN stand for in data communications?:
A.
B.
C.
D.

Q45. If a drill develops a defect what action should be taken?:
A.
B.
C.
D.

Q46. Which of the following is correct?:
A.
B.
C.
D.

Q47. The term telecommunications is the transfer of information over? :
A.
B.
C.
D.

Q48. What does the symbol  stand for?:
A.
B.
C.
D.

Q49. Where a large cable passes through a solid internal wall the hole should be?:
A.
B.
C.
D.

Q50. Solvent is stores in a cool dry environment because they?:
A.
B.
C.
D.

Q51. Which of the following is correct? :
A.
B.
C.
D.

Q52. Which of the following typically uses analogue signals?:
A.
B.
C.
D.

Q53. Which of the following can be varied to convey information on an analogue signal?:
A.
B.
C.
D.

Q54. What does the term half semi duplex mean?:
A.
B.
C.
D.

Q55. When using an outer jacket stripper, you notice that it is cutting into the cable?:
A.
B.
C.
D.

Q56. A disadvantage of fibre over copper is:
A.
B.
C.
D.

Q57. Over the network below what is the correct signal?:
A.
B.
C.
D.

Q58. A multi strand fibre or copper cable sheathing is most safely stripped with the aid of?
A.
B.
C.
D.

Q59. What is the purpose of a data network?:
A.
B.
C.
D.


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