Answer:
Blind.
Explanation:
In a blind experiment, information that can affect the participant's decision after the experiment is not told or we can say blinded until the experiment is over. Good blinding can eliminate experimental biases . A blind can be imposed on any participant.So in the question we conclude that it is blind experimental design.
Probably c or a with the question your asking
Well think of it like this lets say this wasn't and security system and it was a video game console and remote.
Now the console or keypad or the main components the power on or shut off the devices and the remote or sensors are the secondary parts but they are needed to help the console or keypad figure out what they are doing.
Answer:
The first check performed by an administrator that it View the login history.
Explanation:
When user logging into Salesforce it receives an error message into the screen it view the logging detail which help us take to troubleshoot the problem. The logging history keeps track information like who is access the system last time ,date etc .login history also display up to 20,000 records of user logins for the last six months.
