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to represent the frames sequence number

I believe this is wrong in the 5th edition....Network+ Guide to Networks on page57 it states that protocols in the data link layer add a header to the front of each packet and a trailer to the end of each packet to make frames. (The trailer indicates where a frame ends.)

paragraph 4

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13y ago
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14y ago

I believe that is where CRC data is stored, which is used for error correction and ensuring data integrity and data reassembly. But I'm not 100% sure.

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14y ago

support error detection =)

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14y ago

support frame error detection

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14y ago

support errors detection

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Q: What is a primary function of the trailer information added by the data link layer encapsulation?
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support error detection =)


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