HOTSPOT
A developer created three variables used in the workflow shown below:
Instructions: Based on best practices, select the correct Scope for each Variable type from the drop-down lists shown in the following exhibit.
Solution:
Name = Age Variable type = Double Scope = Body of For Each Row
Name = TimeonThePlanet Variable type = Time Span Scope = Sequence - Yes, Can Vote Name = dt_NamesBirthdays Variable type = DataTable Scope = Voter Registration
The reason for choosing these scopes is to keep the variables in the innermost scope where they are used and to avoid unnecessary clutter and duplication in the Variables panel. You can learn more about variable scope in UiPath from the following sources:
✑ Variable scope - Studio - UiPath Community Forum
✑ How Variable Scope Works in UiPath - Video Tutorials - UiPath Community Forum
✑ How to pass variables as UiPath arguments example - TheServerSide
✑ Best Practices: Select Variables scope - UiPath Community Forum
Does this meet the goal?
Correct Answer:A
A developer is reviewing an existing workflow in UiPath Studio Based on best practices, what should be used to view the available versions for activities used in the workflow?
Correct Answer:B
To view the available versions for activities used in the workflow, the Project Dependencies option should be used. The Project Dependencies option is located in the Project panel in UiPath Studio. It shows the list of all the packages and activities that are used in the current project, along with their current versions and available updates. The Project Dependencies option also allows the developer to install, update, or remove packages and activities, as well as view their details and documentation2. By using the Project Dependencies option, the developer can ensure that the project is using the latest and compatible versions of the activities, and avoid any errors or conflicts that might arise from outdated or missing packages3.
References: Managing Dependencies and Project Dependencies Mass Update from UiPath documentation and forum.
A developer used a dictionary to store employee ID numbers as the key with associated employee surnames as the value What is the benefit of using a dictionary?
Correct Answer:D
The benefit of using a dictionary is that dictionary keys and values can be of different data types. A dictionary is a collection of key-value pairs, where each key is associated with a value. The key and the value can be of any data type, such as String, Integer, Boolean, Object, etc. This allows for more flexibility and versatility in storing and retrieving data3. For example, a dictionary can store employee ID numbers as the key with associated
employee surnames as the value, where the key is of type Integer and the value is of type String. To access the value of a specific key, the syntax dictionaryName(key) can be used4. References: Dictionaries and How to use dictionary? from UiPath documentation and forum.
A developer implemented a process using the Robotic Enterprise Framework and an Orchestrator queue. The MaxRetryNumber from the "Config.xlsx" file is set to "1" and the Max # of retries from the Queue settings from Orchestrator is set to "2". At runtime, the first transaction item throws a Business Exception. How many times will the transaction be retried?
Correct Answer:B
The Robotic Enterprise Framework (REF) is a template that provides a structured and consistent way to develop automation processes. The REF uses an Orchestrator queue to store and process the transaction items, which are the units of work for the process. The REF also handles different types of exceptions that may occur during the execution of the process, such as system exceptions and business exceptions. A system exception is an error that prevents the normal execution of the process, such as a network failure or an application crash. A business exception is an error that is related to the business logic or rules of the process, such as an invalid input or an incorrect output. The REF has different mechanisms to deal with these exceptions, such as retrying, logging, and updating the status of the transaction items.
The MaxRetryNumber from the “Config.xlsx” file is a parameter that specifies how many times the REF will retry a transaction item when a system exception occurs. The Max # of retries from the Queue settings from Orchestrator is a parameter that specifies how many times Orchestrator will retry a transaction item when it changes to Failed status due to any exception. These two parameters are independent of each other and have different effects on the retry mechanism.
In this case, the first transaction item throws a business exception, which means that there is something wrong with the data or the logic of the process. The REF will not retry a transaction item when a business exception occurs, because it assumes that retrying will not solve the problem. Instead, the REF will log the exception, update the status of the transaction item to Failed, and move on to the next transaction item. Orchestrator will also not retry a transaction item when it changes to Failed status due to a business exception, because it respects the decision of the REF. Therefore, the transaction will not be retried at all.
References:
✑ 1: Robotic Enterprise Framework Template - UiPath Studio.
A developer wants to extract hidden text from a pdf file. Which output method(s) should be used?
Correct Answer:D
To extract hidden text from a pdf file, the output method that should be used is FullText only. The FullText output method is one of the options available in the Read PDF Text activity, which reads all the characters from a specified pdf file and stores them in a string variable3. The FullText output method extracts the text from the pdf file as it is, without keeping the formatting or the position of the text. The FullText output method can also extract the hidden text from the pdf file, which is the text that is not visible on the screen, but can be copied and pasted into another application4. For example, the hidden text can be the metadata, comments, or annotations of the pdf file. The FullText output method is suitable for extracting hidden text from a pdf file, as it does not depend on the visibility or the layout of the text. The other output methods, such as Native or OCR, are not suitable for extracting hidden text from a pdf file, as they rely on the appearance or the position of the text on the screen. The Native output method preserves the formatting and the position of the text, but it cannot extract the text that is not visible or selectable5. The OCR output method converts the text from the pdf file into an image and then extracts the text from the image, but it cannot extract the text that is not displayed or recognized by the OCR engine6.
References: Read PDF Text, Extracting Hidden Text from PDF, Native, and OCR from UiPath documentation and forum.