Interview Questions

The following set of questions should consolidate your understanding of this chapter:

1. How do you see what apps or packages are installed on your device?
2. How do you force-stop or uninstall an application?
3. How is PKI used to ensure the ownership of packages?
4. What does it mean to say that the public key and private key are asymmetrical keys?
5. Can a package have more than one certificate/key?
6. Can you use the same certificate to sign multiple packages?
7. When should you sign multiple packages with the same key?
8. What is the relationship between a Linux process and a package file?
9. Under what user ID does a .apk process run?
10. What is a shared user ID?
11. What is the prerequisite for sharing a user ID?
12. What are the advantages of sharing a user ID?