单项选择题 You are the administrator of a Junos Pulse Access Control Service implementation. You must restrict authenticated users connected from the branch offices to a few specific resources within the data center. However, when the authenticated users are connected at the corporate office, they are allowed more access to the data center resources. You have created two roles with different levels of access and are trying to determine the best way of controlling when a user is mapped to a specific role. Having the user prompted to manually select their role is possible, but you want to automate the process. Which configuration solves this problem?（）

多项选择题 Your manager has informed you that only specific users can have access to the Preferred Members role, and that these users are restricted to the Preferred Members role. The Preferred Members role-mapping rule is currently set as the last rule in your role-mapping rules and is based on username. Currently all users are assigned to the Preferred Members role-mapping rule. Which three changes in the admin GUI will enforce your managers change request?（）

单项选择题 Which Junos Pulse feature allows the user to log in once through a Junos Pulse Secure Access Service on the network and then access resources protected by a Junos Pulse Access Control Service without reauthentication?（）