connectivity test; connection check
Technical computing term for verifying that two systems or components can communicate. Often used in network diagnostics.
Please perform a connectivity test between the servers.
As a result of the connection check, no network problems were found.
疎通 means 'communication' or 'mutual understanding', while 疎通確認 specifically refers to a test or check of that communication.
接続確認 is a more general 'connection check', while 疎通確認 emphasizes the ability to exchange data, not just physical connection.
Compound of 疎通 (communication, mutual understanding) and 確認 (confirmation, check). The exact historical derivation is uncertain, but the term is used in modern technical contexts.