Windows Secure Boot

It is feature of recent windows, windows 8 and later windows, which supports UEFI (Unified Extensible Firmware Interface) it help to prevent harmful Software Application and non-authorized operating system from loading while the system boot up.It help to improve the security of the computer.
We can Enable to Disable it from BIOS setup.

If you want to check the secure boot status : Run the Power shell as an Administrator mode.
Type the command "Confirm-SecureBootUEFI".
It will return the value true or false .

What is Child domain

What is Child Domain:  

The concept of Child domain basically used for handling the replication issue and used if we want to segregate our business, it uses the name space of parent domain Eg: parent domain is “it.local”, the child domain will be “east.it.local”

•  The trust relationship between child domain and parent domain will be two way Parent-Child trust, called transitive trust relationship.
•  The Child domain do not contain Enterprise Admin Account .
• The child domain shares both forest wide roles . 

                          

 

Bind Secondaries in DNS

Bind Secondaries used in DNS which  Allow  the Domain Name System (DNS) server to communicate with non-Microsoft DNS servers that use an earlier, slower version of the DNS BIND service. It basically use  compression, and it does contain  multiple records per  message during a connected transfer.

BIND version 4.9.4 and later version handles the fast zone transfer. We can change the BIND setting by using below steps

DNS server Properties(in DNS server)  -> Advanced Tab

SOA (Start of Authority) Record

SOA (Start of Authority) Record is the preliminary part of a Zone file. It gives the information about the domain (how it updated, last update).

It holds the below fields:

•   TTL
• Serial Number
•  Primary Server
• Refresh Interval

SOA property is as below .