Which of the following variables is used in Error Handling?

The administrator wants to run a bot immediately on multiple machines to resolve an urgent task at hand. The administrator needs to know how many bot runner machines are available, in real time.
Within Control Room, which menu option provides this information?

The developer with "Consumer" access to a locker is trying to use their access privilege to create a bot and write the credential variable values on a notepad program. The developer uses the "Log to File" command inside the task editor and after pressing"F2" key, tried to populate the credential variables from the insert Variable pop up box. The credential variables do not show up in the list.
What is the issue?

Which of the following enables you to add assets and DLLs to the MetaBots?

A user needs to factor in time that a website may take to open up, which can vary between 5 and 15 seconds, depending on internet connection speed. How can the user apply this delay?