Dot Net Interview Questions answers

What is the difference between Router and Routing?

Router: -
Router is a device which is used to connect different network. A device or setup that finds the best route between any two networks, even if there are several networks to traverse. Like bridges, remote sites can be connected using routers over dedicated or switched lines to create WANs.
Routing: -
Process of delivering a message across one or more networks via the most appropriate path.

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Category : Exchange Server

What is Multimaster replication?

In addition to storing primary zone information in Dns we can also store it in active directory as active directory object.This integrates Dns with active directory in order to take advantage of active directory features
The benefits are :

1) zone can be modified from any domain controller within the domain and this information is automatically updated or replicated to all the other domain controllers along with the active directory replication.This replication is said to be multimaster replication.

2) We no longer face the standard dns server drawbacks.
In standard dns server only the primary server can modify the zone and then replicate the changes to other domain controllers(It was in windows NT4 before).
But when Dns gets integrated with AD .Zone can be modified and replicated from any domain controller.

3) Fault tolerance
4) Security

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Category : Exchange Server

What is the ntds.tit file default size?

40 MB

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Category : Exchange Server

What is the concept for authoritative and nonauthoritative restoration?

Non-authoriative restore: which accept the entries from other domain controller after the restoed data.
Authoritative: Not accept the entries from other domain controller.

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Category : Exchange Server

What is Rsop ?

Resultant set of policy is provided to make policy modification and trouble shooting easier. Rsop is the query object it has two mode

1.logging mode: Polls existing policies and the reports the result of the query.

2.Planning mode: The questions ask about the planned policy and the report the result of the query.

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Category : Exchange Server

In which domain functional level, we can rename domain name?

All domain controllers must be running Windows Server 2003, and the Active Directory functional level must be at the Windows Server 2003. Yes u can rename the domain in windows server 2003