You want to start the managed server calledmanaged1 in “Standby” mode, to keep it as a “hot
backup”.
A) The server managed1 must be of a cluster.
B) Your domain has an administration port.
C) Only the admin server can start in “standby” mode.
D) There is no such thing as “standby” mode.
Answer: C
B is correct
Answer “B” is correct.
Start Managed Servers in Standby mode
Before you begin
1.Start the domain’s Administration Server.
2.Enable the domain-wide administration port. See Configure the domain-wide administration port.
3.Specify the Standby startup mode. See Specify a startup mode.
I think also is B
source : https://docs.oracle.com/cd/E57014_01/wls/WLACH/taskhelp/startstop/StartManagedServersInSTANDBY.html
I also think the answer is B
Source: http://docs.oracle.com/cd/E24329_01/apirefs.1211/e24401/taskhelp/startstop/StartManagedServersInSTANDBY.html
B is the right answer
B . This is used to keep a server ready as “hot” backup.To start server in Standby you must have administration port defined for the domain.So that server can listen on its admin port for command to resume.