What are the four causes of packet delay? udp and tcp use 1's complement for their checksums. suppose you have the following three 8-bits bytes: 11010101, 11010100, 0100. what is the 1s b. c. d. complement of the sum of these 8-bit bytes?

Social networking sites d. online forumsthe first recognizable social media site,  six  degrees, was created in 1997. it enabled users to upload a profile and make friends with other users. in 1999, the first blogging sites became popular, creating a social media sensation that's still popular today.

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