In general this question is a very broad and according to the SMART Survey Methodology guidance (www.smartmethodology.org), to carry or conduct a good SMART survey you must have the following in place :
*The SMART Survey objectives should be Specific, Measurable, Achievable, Realistic, and Timely.
*The training of enumerators is led by experienced survey experts/specialist team members of facilitators.
*The survey questionnaire and other tools are well organized and prepared, translated and pre-tested
*After the Training there should be standardisation test to all the enumerators to determine the best measurers, team leaders and assistants
*There should be a pilot test in the last day of the training to the partcipants; the real-world test of the excerise before they are sent out to the field.
*Which is conducted by a well trained and competent team
*The data quality for anthropometric, maternal, mortality, fsl and other indicators meet the required standards
*The data cleaning and analysis are conducted in a standard and structured way
*The preliminary and final report is finalised and disseminated in a timely manner for use while results are still relevant