MCITP Enterprise Administrator Hardware RAIDs
In Chapter 1, we brie?y covered the different types of trusts in Windows Server 2008 by name only. Let’s review each of these trusts one more time in rapid ?re, just so they?re fresh in your mind:
Forest trusts Trusts that exist between two entire forests. As an example, the MyCorp.com and MegaCorp.com forest could share a trust between them that exists on the entire forest level.
Domain trusts Trusts that exist between two individual MCITP Certificate domains, somewhere within the forest. The majority of trusts placed in a multiforest environment are usually domain-based trusts, because they occur far more frequently than trusts between entire forests.
External trusts Trusts designed for legacy Windows environments, such as NT 4, to exist within a modern-day trust.
Realm trust Trusts designed to handle Unix-based servers in a Windows infrastructure.Shortcut trust Domain trusts that bypass the normal tiered hierarchy of domain trusts up and down the root domain and instead connect directly from one domain to another.
As you can see, or possibly have seen before, each of these types of trusts has a speci?c purpose and needs to be applied at a speci?c point. And furthermore, each of these types of trusts can be further refined by several categories of information.To begin with, trusts can be either one-way or two-way.
A one-way trust is the foundational trust that is used for all trust design. In a one-way
trust, the trust ?ows in one direction, and the access direction ?ows in another. This is visually explained in Figure 3.7, with a one-way trust model. In this ?gure, you can see that the direction of the trust points in one direction. What this means is that the organization that MCITP Exams issues the trust is saying ?I trust this.?
Because when the domain says that it trusts another, it points in one direction, and this means the other domain can take advantage of this trust. It’s like when you give the key to your house to your house cleaner or to a friend. When your friend decides that she?d like to come over to use your coffee machine for a nice cup of joe, she?s using your resources because you trust her. (We are assuming she doesn?t make a mess and abuse your trust. That wouldn?t be fun at all.)
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