Answer: SnowCD

The question asks which tool is specifically designed to diagnose and troubleshoot network connectivity issues to Snowflake. SnowCD (Snowflake Connectivity Diagnostic Tool) is explicitly built for this purpose, as confirmed by the community discussion where it's described as helping users diagnose and troubleshoot their network connection to Snowflake. The community shows 100% consensus on answer A with upvoted comments supporting this. Snowpark is for data programming, Snowsight is the web interface, and SnowSQL is the command-line interface - none of these are specifically designed for network connectivity diagnostics.

Author: LeetQuiz Editorial Team