多选题Which two are required elements for the element of a web applicationdeployment descriptor？（）Arealm-nameBurl-patternCdescriptionDweb-resource-nameEtransport-guarantee
多选题
Which two are required elements for the element of a web applicationdeployment descriptor？（）
A
<realm-name>
B
<url-pattern>
C
<description>
D
<web-resource-name>
E
<transport-guarantee>
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