Windows 2008 Active directory

JJ KR used Ask the Experts™
Dear Experts,

Good evening.. Thanks in advance. In an Interview below questions asked I need the exact answers of these questions.

1. Windows 2008 Sever crashed in the morning how you will restore it explain the process
2.      Explain the windows 2008 boot process
3. can we make all domain controllers as Global catalog server?
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Rich WeisslerProfessional Troublemaker^h^h^h^h^hshooter

Like many good interview questions, the most important part of the answer is the thinking process you go thru to answer.  Often, it'll be the questions you ask while answering the question which are as important as the question itself.

I'm not comfortable answering all of these, but will toss out an answer to the last one:

> "3. can we make all domain controllers as Global catalog server?"
The quick answer is "Yes," and if you're in a single domain forest, it's actually a pretty good idea to do so.  If you have a multi-domain forest, then you'll want to either make certain that _all_ the domain controllers have a copy of the global catalog, or that the domain controller with the Infrastructure operations master role does NOT have a global catalog.  Normally, the followup would be, why would it be a good or bad idea for all the domain controllers to have a copy of the global catalog.

Okay, I'll add a quick question to ask when presented with the first one as well...
> "1. Windows 2008 Sever crashed in the morning how you will restore it explain the process "
My question would be, "Is this server a Pet or Cattle?"  Read the linked article -- the restore process is radically different, and you may impress the interviewer with your question.  :-)
Professional Troublemaker^h^h^h^h^hshooter
Adding a bit more to handle the second question:
"2. Explain the windows 2008 boot process "
Any boot process starts with the hardware receiving power, loading and running the code burned into its chipset, which normally also includes checks that the hardware is okay.  (POST - Power On Self Test runs here.)  Windows 2008 supports the older BIOS hardware, which is what everyone is familiar with, but also adds support for UEFI/EFI, which is important to know if the question is specifically about Windows 2008.
The hardware software then pulls the Boot Manager into memory and hands off execution, which then loads the Windows Boot Loader.  Windows 2008 introduced the Boot Configuration Data store... so again, if you've been asked about Windows 2008, it'll be good to know about BCD and BCDEdit.  
For servers, I'm assuming you won't be concerned about hibernation files, etc.
The Windows Boot Loader loads the Windows Operating System.  (It's so nice when the name matches what it does/is... unlike the Windows Boot Volume/System Volume mess.  :-) )
Once loaded, execution is handed off to the operating system.... which handles the rest of the operations necessary to make the server available for us.

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