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Which service is specifically used to centralize the authentication process, allowing users to access multiple services without needing to re-enter credentials repeatedly?
DNS
DHCP
IAM
NFS
The correct answer is 'Identity and Access Management (IAM)' because it is a framework for business processes that facilitates the management of electronic or digital identities. With an IAM framework in place, information technology (IT) managers can control user access to critical information within their organizations. 'Dynamic Host Configuration Protocol (DHCP)' is incorrect because it's used for automated IP address assignment. 'Domain Name System (DNS)' is pivotal for resolving human-friendly domain names to IP addresses but is not directly involved in the authentication process. 'Network File System (NFS)' allows for file sharing across a network but does not manage user access and credentials.
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