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Is this for a homework assignment? Sorry for being blunt, but it sounds like one and was posted within a minute of 2 similarly-sounding homework questions on the same subject. If so, we can help you arrive at the answer but not do the assignment for you.
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Is this for a homework assignment? Sorry for being blunt, but it sounds like one and was posted within a minute of 2 similarly-sounding homework questions on the same subject. If so, we can help you arrive at the answer but not do the assignment for you.

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I'm studying for a certification. So no, not school work
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I'm studying for a certification. So no, not school work

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What is a Read-Only Domain Controller?<br />
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What type of deployment is it designed for? 
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What is a Read-Only Domain Controller?

What type of deployment is it designed for? 

What is a Read-Only Domain Controller?

Operating systems perform basic tasks, such as recognizing input from the keyboard, sending output to the display screen, keeping track of files and directories on the disk, and controlling peripheral devices such as disk drives and printers. For large systems, the operating system makes sure that different programs and users running at the same time do not interfere with each other. The operating system is also responsible for security, ensuring that unauthorized users do not access the system. Operating systems provide a software platform on top of which other programs, called application programs, can run.

Operating Systems

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.