Which of the following is TRUE with regards to hot standby mode?

You are employed as a network administrator at ABC.com. ABC.com has an Active Directory
domain named ABC.com. All servers on the ABC.com network have Windows Server 2012
installed.
You are running a training exercise for junior network administrators. You are currently discussing
DHCP failover architecture. You have informed the trainees that DHCP servers can be deployed
as failover partners in either hot standby mode or load sharing mode.

Which of the following is TRUE with regards to hot standby mode? (Choose all that apply.)

A.
It is when two servers function in a failover relationship where an active server is responsible
for leasing IP addresses and configuration data to all clients in a scope or subnet.

B.
It when two servers in a failover relationship serve IP addresses and options to clients on a
given subnet at the same time.

C.
It is best suited to deployments where a data center server acts as a standby backup server to
a server at a remote site.

D.
It is best suited to deployments where both servers in a failover relationship are located at the
same physical site.

Explanation: