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Before taking the exam, review the key topics and terms that are presented in this chapter. You need to know this information.
Understand the need for an effective updating process.
Be able to evaluate an update to determine whether it should be deployed to a computer.
Be able to list the Microsoft-supported mechanisms for deploying updates to computers.
Know the steps in an effective updating process, and understand the importance of each step.
Understand how to remove an update from a single computer and an entire network.
Know when to use chaining to deploy multiple updates together.
Know the importance of each type of update released by Microsoft.
critical update A broadly released fix addressing a critical non-security-related bug for a specific problem.
exploit A worm, virus, Trojan horse, or other tool that can be used by an attacker to compromise a vulnerable computer.
hotfix A single package composed of one or more files used to address a problem in a product. Hotfixes address a specific customer situation, are only available through a support relationship with Microsoft, and cannot be distributed outside the customer organization without written legal consent from Microsoft. The terms QFE (Quick Fix Engineering update), patch, and update have been used in the past as synonyms for hotfix.
security rollup package A collection of security patches, critical updates, other updates, and hotfixes released as a cumulative offering or targeted at a single product component, such as IIS or Internet Explorer. Allows for easier deployment of multiple software updates.
service pack A cumulative set of hotfixes, security patches, critical updates, and other updates that have been released since the release of the product, including many resolved problems that have not been made available through any other software updates. Service packs might also contain a limited number of customer- requested design changes or features. Service packs are broadly distributed and are more thoroughly tested by Microsoft than any other software updates.
security update A broadly released fix that addresses a security vulnerability for a specific product. A security patch is often described as having a severity, which actually refers to the MSRC severity rating of the vulnerability that the security patch addresses.
update A broadly released fix for a specific problem. Addresses a non-critical, non- security-related bug.
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