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.
Time of Day. As explained in Etiquette: Formal Tradition, black tie and white tie are categories of evening wear and evening wear is not meant to be worn before six oclock or before dark, whichever comes first. Therefore, formal weddings that take place during the day traditionally require morning dress, the daytime equivalent of evening wear.