Which two methods are commonly used to remove the default restrictions and protections added to mobile operating systems? (Choose two.)

Which two methods are commonly used to remove the default restrictions and protections added to mobile operating systems? (Choose two.)

• rooting
• jailbreaking
• rootkit execution
• device update
• system backup
  

  Explanation: Mobile operating systems are usually protected by a number of software restrictions. Rooting and jailbreaking are two methods for removing restrictions and protections added to mobile operating systems. They are a means of circumventing the usual operation of the device operating system to gain superuser or root administrator permissions.