The bottom line is that passive scanning in systems can expose a lot of information about all aspects of the system in normal communications without intruding upon operations. Active scanning has the potential to discover more information, and when combined with passive scanning, it gives a more complete picture.
Brick sizes vary depending on the country, the manufacturer and the purpose for which they are intended. In the United States, standard modern bricks are usually about 8 Ã 4 Ã 2.25 inches (203 Ã 102 Ã 57 mm). modular bricks are 7 5/8 long x 3 5/8 thick x3 5/8 deep.
Brick Sizes. As with brick shapes, todayâs designer has a multitude of brick sizes to work with. Some of the more common sizes used in the New England area include; Modular (2-1/4â x 7-5/8â), Economy (3-5/8â x 7-5/8â) , and Utility (3-5/8â x 11-5/8â).s a general rule, the price for larger brick in a wall is less than that of a smaller brick. Just like the standard modular brick, manufacturers are also producing brick shapes in larger sizes to complement a larger brick size.