Splunk Core Certified Advanced Power User Practice Test

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What value is assumed for precision when the period is specified without an explicit value in printf?

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When a precision specifier is included in the `printf` function without an explicit value, the assumed precision is zero. This means that if you're formatting floating-point numbers, `printf` will round the number to zero decimal places, effectively displaying it as an integer. For string types, it will truncate the string to zero characters, resulting in an empty output.

This behavior follows the C standard, which states that when the precision format is specified as a period without a value, it defaults to zero. Consequently, formatting a float with a format string that specifies a precision of `.`, such as `%.`, will yield results consistent with this default.

Thus, the value assumed for precision when the period is specified without an explicit value is indeed zero, making this the correct choice.

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