41. | What are the categories of Transmission media? |
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42. | What are the types of errors? |
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43. | What is Error Detection? What are its methods? |
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44. | What is Redundancy? |
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45. | What is VRC? |
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46. | What is LRC? |
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47. | What is CRC? |
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48. | What is Checksum? |
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49. | List the steps involved in creating the checksum. |
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50. | What are the Data link protocols? |
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