The design phase of an sdlc methodology is implementation independent, meaning that it contains no reference to specific technologies, vendors, or products

Logical

Explanation:

 In logical design, the data and information collected from the design phase are use to create the system. Logical design is basically the blueprint of the desired solution and it is implemented independently.  

Based on the logical design technologies, the various physical solution is implemented and several applications are implement to provide the necessary solutions.

SDLC is the software development life cycle that uses logical design phase which contain no particular reference to the specific technology.  

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