Which port number is commonly used for PostgreSQL?

Which port number is commonly used for PostgreSQL?

• A. 1194
• B. 6789
• C. 5432
• D. 6000

Answer: (C)

PostgreSQL listens on a specific TCP port, and the default port is 5432. This is the standard port that client tools and applications expect when connecting to a PostgreSQL server, unless the server is explicitly configured to use a different port. You can change it in the server’s configuration, but 5432 remains the common, conventional choice for PostgreSQL connections. The other numbers correspond to services you’re unlikely to connect to PostgreSQL with: 1194 is typically used by OpenVPN, 6000 is the X11 display server, and 6789 is not a standard PostgreSQL port. So 5432 is the most appropriate and commonly used port for PostgreSQL.

PostgreSQL listens on a specific TCP port, and the default port is 5432. This is the standard port that client tools and applications expect when connecting to a PostgreSQL server, unless the server is explicitly configured to use a different port. You can change it in the server’s configuration, but 5432 remains the common, conventional choice for PostgreSQL connections.

The other numbers correspond to services you’re unlikely to connect to PostgreSQL with: 1194 is typically used by OpenVPN, 6000 is the X11 display server, and 6789 is not a standard PostgreSQL port. So 5432 is the most appropriate and commonly used port for PostgreSQL.