[Solved] An administrator decides to implement access control techniques to secure a datacenter. Which of the following would be the STRONGEST technique for the administrator to use? A) Multifactor authentication B) RFID chip C) Cipher locks D) Bollards Keyword: A significant word or phrase used in an information retrieval system to indicate the content of a document. Boolean Operator: A logical operator used in search engines, programming, and mathematics to perform logical operations such as AND, OR, and NOT. Wildcard: A character used in search functions to represent one or more other characters, facilitating flexible and broad search criteria. Adult Content: Material deemed suitable only for adults due to its explicit or mature nature, including but not limited to pornography and graphic violence.