Permissions required for an application to perform its operations are called application level permissions. Which are the types of application level permissions a developer can use? (Select two)

Android uses “Intents” to communicate and send data between different components which make it vulnerable to malicious attacks. Which of the following choices are component-level Permissions to protect this type of communication? (Select Four) 

Releasing updates of an application into Google Play requires signing it with the same certificate, or else all the previous users will not be notified of the update and eventually are lost. 

A permission group is the concept of creating a group of all similar types of permissions, which will be presented together to the user during the installation time for approval.