"krs", we don't have many rules on the Ranch, but our Naming Policy is one of them. Please review the policy and update your display name appropriately.
Concerning your question, don't worry too much about the last option. It just means that folks that make web containers can come up with their own values and do something special with them. I don't think I've ever heard of any however, and for the exam you only need to know the main four.
A good workman is known by his tools.
Krishna R Seelam
Joined: Dec 12, 2006
Thanks for the reply! And i do change my display name.