Which of the following is an invalid IP address?

When using the Remove method of a collection, what happens if the argument provided is a string expression?

a. The item at the index value represented by that string is removed if found in the collection. b. The item with a key value that matches the string is removed, if the key was found in the collection. c. A string expression may not be provided as an argument. d. A syntax error occurs

Which browser has spotty support for new color options in CSS3?

a. Firefox b. Internet Explorer c. Chrome d. Safari