HOTSPOT
Your network contains one Active Directory forest. The forest has three sites configured as shown in
the following table.
The forest contains the site links configured as shown in the following table.
A domain controller named DC2 has an IP address of 192.168.2.2. DC2 and is in Site2.
You run the following cmdlets.
New-ADReplicationSite Site3
New-ADReplacationSubnet –Name “192.168.3.0/24” –Site Site3
Use the drop-down menus to select the answer choice that completes each statement.
Answer: 
Explanation:
* By default all sites are replicating trough the DEFAULTIPSITELINK using the default schedule, at
every 180 minutes.* You need to move DC2 logically as well.
Configuring Active Directory Sites and Services
http://www.vkernel.ro/blog/configuring-active-directory-sites-and-services
not in any.
remain in site2.
+
check this out
http://www.certifychat.com/70-412-a/389-help-explanation.html
“did a simulation in lab:
1) Be replicated to DC2 only
2) Never been replicated (I did the Lab running 1 day to be sure, and no replication occurs between Servers 3/4 from or to DC1/2)”
As Daniel says the answer should be ‘not in any’ and ‘remain in Site2’
If Site3 had been created in the GUI then you would have had to pick a Sitelink to add it to, but New-ADReplicationSite doesn’t add it to DEFAULTSITEIPLINK and doesn’t even have any parameters to add the new site to a link. For that you’d need to use Set-ADReplicationSiteLink
I wasn’t sure about this, but I think Josh is correct.
Assuming that all 4 servers are in Default-First-Site-Name at the start of the question, you then create the new sites with associated subnets, and when you promote Server3 and 4, the GUI will default to the Site that matches the server IP address.
So by the end, we have DC1 and DC2 in Default-First-Site-Name, Server3 in Site1 and Server4 in Site2 with SiteLink1 connecting Site1 and Site2, but no link to Default-First-Site-Name.
So changes on DC1 will replicate to DC2 only, and changes on Server4 will replicate to Server3 but never get to DC1 and DC2.
Based on this:
“A site link bridge connects two or more site links and enables transitivity between site links. Each site link in a bridge MUST have a site in common with another site link in the bridge. The Knowledge Consistency Checker (KCC) uses the information on each site link to compute the cost of replication between sites in one site link and sites in the other site links of the bridge. Without the presence of a common site between site links, the KCC also cannot establish direct connections between domain controllers in the sites that are connected by the same site link bridge.”
https://technet.microsoft.com/en-us/library/cc753638(v=ws.10).aspx
I too think that correct answers should be:
1- Be replicated to DC2 only (since DC1 and DC2 are the only ones in Default-first-site-link and there’s no link in common that connects to the other DC’s, DC1 only replicates to DC2).
2- Never be replicated (Server4 only has a site link in common with Server3, so it’s the only DC it can connect to.)
I wonder what they mean with this statement in the question: “You promote Server3 and Server4 to domain controllers by using the default options.”
When you’re promoting the servers to domain controllers in the page of “Domain Controllers Options” in site name, if no other site exists, by default, Default-First-Site-Name is selected, but in this case, you already have created other sites, which means that in that field there will be other options, as you can read here:
http://social.technet.microsoft.com/wiki/contents/articles/20098.setting-up-additional-active-directory-domain-controller-with-windows-server-2012.aspx
“If you only have a single site then it will be displayed by default, if you have multiple site names, then using the drop down list select the preferred site”
When you already have multiple sites (which is the case here) by default that site name field is blank, and you have to select from the list which site you want to add (i tried that in lab).
Now i wonder “by using the default options” like we’re told in the question, do they mean in that case that you pick Default-First-Site-Name instead of one of the sites you created?
If so, then all DC’s will be on the same site, which means they all connect with each other because they’re all in DEFAULTIPSITELINK. If this is what they mean then answers would be:
1 – be replicated to all contoso.com domain controllers;
2 – take one replication cycle to be replicated.
Otherwise i’ll stick to the answers i gave in my previous post.
“by using the default options” seen to server3,4 will in default-first-site-name after they promote to DC.
but I do lab, after type the 5 commands.
when I promote server3 to DC, the site will display “site1” by default.
I think “New-ADReplicationSubnet” make the DC to find which site it belong.
so I think “by using the default options” mean server3 and server4 in site1
and site2 and they have sitelink1 to link each other.
So according to your statement first part of the answer should be:
1 – Be replicated to DC2 only
Second part of the answer, as server 3 and 4 on the same site link and are in no way connected to DC1 and DC2, i think answer is:
2 – Never be replicated (Server4 only has a site link in common with Server3, so it’s the only DC it can connect to.)
Should we assume that DC1 and DC2 are in the DEFAULTIPSITELINK, as we havent been toled otherwise!
when you promote Server 3 and server 4 will they also be added to the DEFAUTSITELINK?
the powershells commands will create site 1 and site 2 and create a sitelink1 bewteen
However..
If you create a AD object on DC1 the object will be replicated to all contoso.com domain members though the DEFAULTIPSITELINK
If you create a AD object on server 4 the object will take one replication cycle to replicate to all contoso.com domains. through the DEFAULIPSITELINK
When you create a new site via Powershell it won’t be added to the DEFAULTSITELINK, only when you create a new site via the GUI it will.
So If you create a AD object on server 4 the object will never be replicated to all contoso.com domains.
funny how often one has to wonder about what people are messing up when stating false information about how things work even if they claim to lab up stuff…
example: I’m just setting up my lab to reproduce the described situation. I’ve setup the sites, subnets and of course underlying network infrastructure as well as a new server. At this moment I’m clicking through the DC promotion wizard => no empty site box, but the new to subnet corresponding site is already there! I mean, really folks, what are you doing when complaining about an empty box where you have to choose something?? I suggest you check how accurate and exact you reproduce what’s being stated in the questions…
(ok, at least this one is right: you cannot just click through the wizard leaving the defaults at this step: you have to at least enter a restore password before you can contiue! 🙂 )
so, if you dudes onces get it done to set your labs up properly then I have another recommendation for you:
Check the Eventlogs! Take a look at the Directory Service logs and you will notice messages stating “The following directory partition is no longer replicated from the source directory service at the following network address because there is no Connection object for the directory service” as well as plenty of other warnings and errors…
my vote therefore as correct answers:
1. “replicated to DC2 only”
2. “never be replicated”
Site link bridging enabled by default.
All sites replicate in this instance.
http://windowsitpro.com/windows/how-do-i-disable-site-link-transitivity
No mention of isolated communication or auto bridging has been disabled.
Default option statement indicates services will auto find the correct site since you pre created sites and subnets.