Which two statements are true about the security-related tags in a valid Java EE deployment descriptor? (Choose two)

A.
Every <security-constraint> tag must have at least one <http-method> tag.

B.
A <security-constraint> tag can have many <web-resource-collection> tags.

C.
A given <auth-constraint> tag can apply to only one <web-resource-collection> tag.

D.
A given <web-resource-collection> tag can contain from zero to many <url-pattern> tags.

E.
It is possible to construct a valid <security-constraint> tag such that, for a given resource user roles can access that resource.