Recognize the session layer of the OSI model ; List the seven layers of the OSI model ; Discuss the responsibilities, functions and protocols of the session layer ; Specify the six session layer protocols
Currently, the most popular color for this gem is the blue zircon. Most blue zircon, which is considered an alternate birthstone for December, is normally a pastel to medium blue in color, but some exceptional gems have a bright blue color. Beyond blue, Zircon is also available in green, deep red, yellow, brown, and orange.
December Birthstone Most people think of a bright sky blue when they hear Zircon, but it is also available in beautiful earth tones of green, dark red, yellow, brown, and orange. Today, the most popular colors of Zircon are the vivid blue and bright Caribbean Sea colors.