Answer: In computer networking, a port number is part of the addressing information used to identify the senders and receivers of messages. Port numbers are most commonly used with TCP/IP connections.nswer: In computer networking, a port number is part of the addressing information used to identify the senders and receivers of messages. Port numbers are most commonly used with TCP/IP connections.
At a black tie fall wedding, men should wear tuxedos and women should wear formal gowns. While you can get away with wearing a dressy cocktail dress, it's better to wear a floor length gown or an evening suit. Black is acceptable, but a jewel tone will feel more festive and fun.
If you are among the groom's party, you can wear a black suit to match his. However, ask him beforehand. Black can be worn to a civil wedding when it is balanced out by other colors. For instance, you can wear a black dress or suit with colorful accessories such as a tie, shoes, a handbag, a chunky necklace or a shawl.