单项选择题
When using Form Based Authentication， which pair of fields must be used in the login form？（）
A. j_user and j_id B. j_id and j_password C. j_users and j_password D. j_user and j_password E. j_login and j_password F. j_username and j_password
单项选择题 What else must the developer do to ensure that the intended security goal is achieved（）？
多项选择题 Whichtwoauthenticationmechanismsprovideweakerprotectionthanothermechanisms？（）
多项选择题 Whichthreeareguaranteedtobevalidfortheelementofawebapplicationdeploymentdescriptor？（）
