$1\mathrm{.}2$ Differentiate between the following concepts:

$1\mathrm{.}2\mathrm{.}1$ Authentication and authorization in web development. $(4)$

$1\mathrm{.}2\mathrm{.}2$ HTML page and JSP$.(4)$

$1\mathrm{.}2\mathrm{.}3$ Servlet config and context attributes.