Which one of the following is not a step to install a library you need to perform the compatibility in browsers ?

State whether the given statement is true or false. !DOCTYPE is case sensitive”

A. True

B. False

Choose the correct statement of HTML

A. In traditional XHTML close tag for some elements is optional but not encouraged

B. In traditional HTML close tag for some elements is optional but not encouraged

C. None of the mentioned

D. In both traditional XHTML and HTML close tag for some elements is optional

Which of the following is not a difference between HTML and XHTML

A. Charset in html is “text/html” where as in xhtml it is “application/xml+xhtml”

B. None of the mentioned

C. Tags and attributes are case-insensitive in HTML but not in XHTML

D. Special characters must be escaped using character entities in XHTML unlike HTML

What indicates the content in file is HTML when delivered on the network.

A. The extension of the file “.html”

B. The “content-type” header

C. Both “.html” extension and “content-type” header

D. None of the mentioned