Is any reason to define FQDN name different as Net-bios name?

hello friends
i create an active directory on windows server some days ago, one friend told me FQDN name should be different as Net bios name,
he told me for some authentication services (for example for authentication in a hardware firewall) this names should be diffrent
is any reason for that and is it true?
tanks

Richard Mueller:
my question is if ma FQDN is Contoso.com , may i use a diffrenent NetBios name as
Contoso?
for example ma NetBios be cont
That's fine. I worked at a place where the DNS FQDN domain name was company.com, but the NetBIOS name was WestChester (for the office city location). So yes, you can choose a completely different name that has nothing to do with or even resembles the FQDN
name. The only issue is it may cause confusion.
I would preferably make it similar, such as Contoso.com and CONTOSO. It's just a preference, that's it.
Just to be crystal clear:
There are absolutely NO technical reasons to make it the same or different.
There may be a business reason to make it different, such as my previous employer's choice and example I provided above, but there are no technical reasons to make it the same or different.
Ace Fekay
MVP, MCT, MCSE 2012, MCITP EA & MCTS Windows 2008/R2, Exchange 2013, 2010 EA & 2007, MCSE & MCSA 2003/2000, MCSA Messaging 2003
Microsoft Certified Trainer
Microsoft MVP - Directory Services
Complete List of Technical Blogs: http://www.delawarecountycomputerconsulting.com/technicalblogs.php
This posting is provided AS-IS with no warranties or guarantees and confers no rights.

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