Justify Protocols
The two protocols i decided to use is the ,sharing contact information and copy and pasting numbers from contact book and putting it into a text message, these are easy techniques to use because they're quick. They're quick because if you have 5 bars of signal you could send it through a text message but if you're somewhere that doesn't have a good signal it would be easier to send it through WI-FI.
www: D2.you have justified a choice of mobile transmission technology for a given requirement.
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