What are the distinctions between arguments and variables?
Correct Answer: A
Explanation Variables and arguments are both used to store and pass data in UiPath, but they have some differences in their scope and direction. Variables are used to pass data between activities within the same workflow file. They have a default direction of In/Out, which means they can be read and written by any activity in the workflow. Arguments are used to pass data between different workflow files. They have a specific direction of In, Out, or In/Out, which means they can only be read or written by the workflow that invokes them or the workflow that is invoked. Variables and arguments can have different data types, such as String, Int32, Boolean, etc. Variables can be assigned to an argument value, but arguments cannot be assigned to a variable value. References: Managing Arguments, Variables, Arguments, and Control Flow in Studio, Different between variables and arguments
Question 2
What is a function of unattended robots?
Correct Answer: D
Unattended robots are designed to run without human interaction. They can be triggered by events, schedules, or via a command from Orchestrator and are capable of executing processes independently. This is particularly useful for batch processing or automations that need to run at specific times without requiring a human to initiate them. Hence, the correct answer is D. References: UiPath Orchestrator Guide: About Robots
Question 3
What is the purpose of the Invoke Code activity in UiPath?
Correct Answer: A
Explanation The Invoke Code activity in UiPath is an activity that allows developers to execute custom code written in VB.NET or C# within a workflow. The activity can accept a list of input arguments and return a list of output arguments, which can be used to exchange data between the code and the workflow. The activity can also access the variables and arguments defined in the current scope of the workflow. The Invoke Code activity can be useful for scenarios where the existing activities do not meet the specific requirements or logic of the automation process. (UiPath Automation Developer study guide) References: Invoke Code How To Use Invoke Code Activity - In UiPath
Question 4
Where in the REFramework template project is the "SetTransactionStatus.xaml" invoked?
Correct Answer: A
The SetTransactionStatus.xaml file is invoked in the Finally section of the Try Catch activity in the Process Transaction state of the REFramework template project. This file is responsible for setting the status of the current transaction item based on the outcome of the process. It also closes all applications that are used by the process and logs relevant information. (UiPath Studio - REFramework - UiPath Academy) References: Studio - REFramework - UiPath Documentation Portal UiPath Studio - REFramework - UiPath Academy REFramework documentation.pdf - Google Drive
Question 5
A developer has defined the StrVar variable of type String Which expression should the developer use to return four characters starting with the second character?
Correct Answer: A
The Substring method is used to extract a part of a string based on a specified starting index and length. The syntax of the Substring method is: string.Substring(startIndex, length) where startIndex is the zero-based position of the first character in the substring, and length is the number of characters in the substring. For example, if the string is "Hello", then string.Substring(1, 2) will return "el", as it starts from the second character (index 1) and takes two characters. To return four characters starting with the second character, the startIndex should be 1 and the length should be 4. Therefore, the expression should be: StrVar.Substring(1, 4) References: Substring and How to manipulate a part of string: Split, Trim, Substring, Replace, Remove, Left, Right from UiPath documentation and forum.