Entry level credentials, the AAPC has the CPCA for apprentice and AHIMA has the CCA. Cost of the exam: AAPC charges $300 and you must be a member. AHIMA charges $299 for members, $399 for non-members so pretty much they are the same. What is different is that the number of exam attempts per fee.
The process of allowing root access on a phone and/or other device. The term rooting is most often associated with Android devices. It's often thought of as the Android equivalent of iOS Jailbreaking.
prove oneself - show one's ability or courage. shew, show, demonstrate, prove, establish - establish the validity of something, as by an example, explanation or experiment; The experiment demonstrated the instability of the compound; The mathematician showed the validity of the conjecture.