If two lines are cut by a transversal and the alternate exterior angles are congruent, the lines are parallel. Interiors on Same Side Converse. If two lines are cut by a transversal and the interior angles on the same side of the transversal are supplementary, the lines are parallel.
The open port checker is a tool you can use to check your external IP address and detect open ports on your connection. This tool is useful for finding out if your port forwarding is setup correctly or if your server applications are being blocked by a firewall.
Checking Your Hardware, Network and Connection. 1  1. Run a speed test. 2  2. Compare your results against what you're paying for. 3  3. Reset your modem.  4. Check for sources of 1  interference. 5. Check to see if you've reached a data 2  cap. 6. Call your internet service provider.  7. Check all of the devices on your network.