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A system administrator (or sysadmin) is an IT professional responsible for the maintenance, configuration, and reliable operation of an organization's computer systems, including servers, operating systems, software, and networks
Q13: Windows Server: What is the main function of Windows Update Services (WSUS)?
Q14: Backup/DR: What does 'differential backup' refer to?
Q15: Security: What does the term 'hashing' refer to in system administration?