Why you should use Perl Online Test?

The Perl Online Test makes use of scenario-based questions to test for on-the-job skills as opposed to theoretical knowledge, ensuring that candidates who do well on this screening test have the relavant skills. The questions are designed to covered following on-the-job aspects: Understanding and applying Perl syntax and data types Implementing control structures in Perl Utilizing regular expressions in Perl Performing file handling in Perl Working with modules and packages in Perl Applying object-oriented programming principles in Perl Establishing database connectivity in Perl Developing web applications using Perl Debugging and handling errors in Perl Handling exceptions and errors in Perl

Perl Online Test

Q: What topics are covered in the Perl Online Test?

Perl programming language Perl syntax and data types Perl control structures Perl regular expressions Perl file handling Perl modules and packages Perl object-oriented programming Perl database connectivity Perl web development Perl debugging and error handling

About the test:

The Perl Online test uses scenario-based MCQs to evaluate candidates on their proficiency in working with the Perl programming language, including their knowledge of its data types, control structures, and regular expressions. The test also evaluates a candidate's ability to work with Perl modules, handle file I/O, and process text and data using built-in functions and operators. The test includes a coding question to evaluate hands-on Perl programming skills.

Covered skills:

Perl programming language
Perl control structures
Perl file handling
Perl object-oriented programming
Perl web development

Perl syntax and data types
Perl regular expressions
Perl modules and packages
Perl database connectivity
Perl debugging and error handling

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9 reasons why

Adaface Perl Test is the most accurate way to shortlist Perl Developers

Reason #1

Tests for on-the-job skills

The Perl Online Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

Ability to write efficient and clean Perl code
Familiarity with Perl syntax and data types
Proficiency in Perl control structures (loops, conditionals)
Understanding of Perl regular expressions and pattern matching
Experience in Perl file handling (reading, writing, manipulating files)
Knowledge of Perl modules and packages
Understanding of Perl object-oriented programming principles
Ability to connect to databases using Perl
Understanding of Perl web development concepts
Proficiency in Perl debugging and error handling

Reason #2

No trick questions

Traditional assessment tools use trick questions and puzzles for the screening, which creates a lot of frustration among candidates about having to go through irrelevant screening assessments.

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The main reason we started Adaface is that traditional pre-employment assessment platforms are not a fair way for companies to evaluate candidates. At Adaface, our mission is to help companies find great candidates by assessing on-the-job skills required for a role.

Why we started Adaface

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Reason #3

Non-googleable questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

These are just a small sample from our library of 10,000+ questions. The actual questions on this Perl Online Test will be non-googleable.

🧐 Question
Medium Package: Destroy OOPs	Try practice test
What does the following Perl code print?
Medium Package: Use Base OOPs	Try practice test
What does the following Perl code print?
Easy Registration Queue Logic Queues	Solve
We want to register students for the next semester. All students have a receipt which shows the amount pending for the previous semester. A positive amount (or zero) represents that the student has paid extra fees, and a negative amount represents that they have pending fees to be paid. The students are in a queue for the registration. We want to arrange the students in a way such that the students who have a positive amount on the receipt get registered first as compared to the students who have a negative amount. We are given a queue in the form of an array containing the pending amount. For example, if the initial queue is [20, 70, -40, 30, -10], then the final queue will be [20, 70, 30, -40, -10]. Note that the sequence of students should not be changed while arranging them unless required to meet the condition. ⚠️⚠️⚠️ Note: - The first line of the input is the length of the array. The second line contains all the elements of the array. - The input is already parsed into an array of "strings" and passed to a function. You will need to convert string to integer/number type inside the function. - You need to "print" the final result (not return it) to pass the test cases. For the example discussed above, the input will be: 5 20 70 -40 30 -10 Your code needs to print the following to the standard output: 20 70 30 -40 -10
Medium Visitors Count Strings Logic	Solve
A manager hires a staff member to keep a record of the number of men, women, and children visiting the museum daily. The staff will note W if any women visit, M for men, and C for children. You need to write code that takes the string that represents the visits and prints the count of men, woman and children. The sequencing should be in decreasing order. Example: Input: WWMMWWCCC Expected Output: 4W3C2M Explanation: ‘W’ has the highest count, then ‘C’, then ‘M’. ⚠️⚠️⚠️ Note: - The input is already parsed and passed to a function. - You need to "print" the final result (not return it) to pass the test cases. - If the input is- “MMW”, then the expected output is "2M1W" since there is no ‘C’. - If any of them have the same count, the output should follow this order - M, W, C.

	🧐 Question	🔧 Skill
	Medium Package: Destroy OOPs	2 mins Perl	Try practice test
What does the following Perl code print?
	Medium Package: Use Base OOPs	2 mins Perl	Try practice test
What does the following Perl code print?
	Easy Registration Queue Logic Queues	30 mins Coding	Solve
We want to register students for the next semester. All students have a receipt which shows the amount pending for the previous semester. A positive amount (or zero) represents that the student has paid extra fees, and a negative amount represents that they have pending fees to be paid. The students are in a queue for the registration. We want to arrange the students in a way such that the students who have a positive amount on the receipt get registered first as compared to the students who have a negative amount. We are given a queue in the form of an array containing the pending amount. For example, if the initial queue is [20, 70, -40, 30, -10], then the final queue will be [20, 70, 30, -40, -10]. Note that the sequence of students should not be changed while arranging them unless required to meet the condition. ⚠️⚠️⚠️ Note: - The first line of the input is the length of the array. The second line contains all the elements of the array. - The input is already parsed into an array of "strings" and passed to a function. You will need to convert string to integer/number type inside the function. - You need to "print" the final result (not return it) to pass the test cases. For the example discussed above, the input will be: 5 20 70 -40 30 -10 Your code needs to print the following to the standard output: 20 70 30 -40 -10
	Medium Visitors Count Strings Logic	30 mins Coding	Solve
A manager hires a staff member to keep a record of the number of men, women, and children visiting the museum daily. The staff will note W if any women visit, M for men, and C for children. You need to write code that takes the string that represents the visits and prints the count of men, woman and children. The sequencing should be in decreasing order. Example: Input: WWMMWWCCC Expected Output: 4W3C2M Explanation: ‘W’ has the highest count, then ‘C’, then ‘M’. ⚠️⚠️⚠️ Note: - The input is already parsed and passed to a function. - You need to "print" the final result (not return it) to pass the test cases. - If the input is- “MMW”, then the expected output is "2M1W" since there is no ‘C’. - If any of them have the same count, the output should follow this order - M, W, C.

	🧐 Question	🔧 Skill	💪 Difficulty	⌛ Time
	Package: Destroy OOPs	Perl	Medium	2 mins	Try practice test
What does the following Perl code print?
	Package: Use Base OOPs	Perl	Medium	2 mins	Try practice test
What does the following Perl code print?
	Registration Queue Logic Queues	Coding	Easy	30 mins	Solve
We want to register students for the next semester. All students have a receipt which shows the amount pending for the previous semester. A positive amount (or zero) represents that the student has paid extra fees, and a negative amount represents that they have pending fees to be paid. The students are in a queue for the registration. We want to arrange the students in a way such that the students who have a positive amount on the receipt get registered first as compared to the students who have a negative amount. We are given a queue in the form of an array containing the pending amount. For example, if the initial queue is [20, 70, -40, 30, -10], then the final queue will be [20, 70, 30, -40, -10]. Note that the sequence of students should not be changed while arranging them unless required to meet the condition. ⚠️⚠️⚠️ Note: - The first line of the input is the length of the array. The second line contains all the elements of the array. - The input is already parsed into an array of "strings" and passed to a function. You will need to convert string to integer/number type inside the function. - You need to "print" the final result (not return it) to pass the test cases. For the example discussed above, the input will be: 5 20 70 -40 30 -10 Your code needs to print the following to the standard output: 20 70 30 -40 -10
	Visitors Count Strings Logic	Coding	Medium	30 mins	Solve
A manager hires a staff member to keep a record of the number of men, women, and children visiting the museum daily. The staff will note W if any women visit, M for men, and C for children. You need to write code that takes the string that represents the visits and prints the count of men, woman and children. The sequencing should be in decreasing order. Example: Input: WWMMWWCCC Expected Output: 4W3C2M Explanation: ‘W’ has the highest count, then ‘C’, then ‘M’. ⚠️⚠️⚠️ Note: - The input is already parsed and passed to a function. - You need to "print" the final result (not return it) to pass the test cases. - If the input is- “MMW”, then the expected output is "2M1W" since there is no ‘C’. - If any of them have the same count, the output should follow this order - M, W, C.

Reason #4

1200+ customers in 75 countries

With Adaface, we were able to optimise our initial screening process by upwards of 75%, freeing up precious time for both hiring managers and our talent acquisition team alike!

Brandon Lee, Head of People, Love, Bonito

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Reason #5

Designed for elimination, not selection

The most important thing while implementing the pre-employment Perl Online Test in your hiring process is that it is an elimination tool, not a selection tool. In other words: you want to use the test to eliminate the candidates who do poorly on the test, not to select the candidates who come out at the top. While they are super valuable, pre-employment tests do not paint the entire picture of a candidate’s abilities, knowledge, and motivations. Multiple easy questions are more predictive of a candidate's ability than fewer hard questions. Harder questions are often "trick" based questions, which do not provide any meaningful signal about the candidate's skillset.

Science behind Adaface tests

Reason #6

1 click candidate invites

Email invites: You can send candidates an email invite to the Perl Online Test from your dashboard by entering their email address.

Public link: You can create a public link for each test that you can share with candidates.

API or integrations: You can invite candidates directly from your ATS by using our pre-built integrations with popular ATS systems or building a custom integration with your in-house ATS.

Reason #7

Detailed scorecards & benchmarks

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Reason #8

High completion rate

Adaface tests are conversational, low-stress, and take just 25-40 mins to complete.

This is why Adaface has the highest test-completion rate (86%), which is more than 2x better than traditional assessments.

Reason #9

Advanced Proctoring

Learn more

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About the Perl Assessment Test

Why you should use Pre-employment Perl Online Test?

The Perl Online Test makes use of scenario-based questions to test for on-the-job skills as opposed to theoretical knowledge, ensuring that candidates who do well on this screening test have the relavant skills. The questions are designed to covered following on-the-job aspects:

Understanding and applying Perl syntax and data types
Implementing control structures in Perl
Utilizing regular expressions in Perl
Performing file handling in Perl
Working with modules and packages in Perl
Applying object-oriented programming principles in Perl
Establishing database connectivity in Perl
Developing web applications using Perl
Debugging and handling errors in Perl
Handling exceptions and errors in Perl

Once the test is sent to a candidate, the candidate receives a link in email to take the test. For each candidate, you will receive a detailed report with skills breakdown and benchmarks to shortlist the top candidates from your pool.

What topics are covered in the Perl Online Test?

Perl Programming Language
Perl is a high-level, general-purpose programming language mainly used for automation, system administration, and web development. It is known for its powerful text processing capabilities, making it ideal for tasks such as parsing files and manipulating strings. Assessing Perl programming skills in this test helps evaluate a candidate's ability to write efficient, reliable, and maintainable code in Perl.
Perl Syntax and Data Types
Understanding Perl syntax and data types is essential for writing correct and readable Perl code. This skill involves gaining knowledge about the different types of data that can be used in Perl, such as scalars, arrays, and hashes, as well as understanding the syntax rules and conventions of the language.
Perl Control Structures
Control structures allow programmers to dictate the flow of execution in a program. Testing candidates on their knowledge of Perl control structures ensures that they can effectively use constructs like if-else statements, loops, and switch statements to create logical and efficient code.
Perl Regular Expressions
Regular expressions are powerful tools for pattern matching and text manipulation in Perl. Assessing candidates' skills in Perl regular expressions measures their ability to write and understand complex patterns, perform string substitutions, and extract specific information from text.
Perl File Handling
File handling skills are crucial for tasks such as reading from and writing to files in Perl. Candidates who have a good understanding of Perl file handling will know how to open, read, write, and close files, as well as handle errors or exceptions that may occur during these operations.
Perl Modules and Packages
Perl modules and packages allow programmers to create reusable and modular code. Assessing candidates' knowledge of Perl modules and packages ensures they can properly organize their code, make use of existing modules, and create their own reusable components for better code maintainability and reusability.
Perl Object-Oriented Programming
Object-oriented programming (OOP) is an important paradigm in Perl for creating and organizing code in the form of objects, which encapsulate data and behavior. Evaluating candidates' skills in Perl OOP involves assessing their ability to create classes, define methods, handle inheritance, and apply OOP principles to solve problems.
Perl Database Connectivity
Perl's database connectivity capabilities allow programmers to interact with databases, perform queries, and retrieve or modify data. Testing candidates on Perl database connectivity measures their ability to establish connections, execute SQL statements, handle transactions, and effectively work with databases within Perl applications.
Perl Web Development
Perl is widely used in web development for tasks such as building dynamic websites, handling form data, and interacting with web servers. Evaluating candidates' skills in Perl web development ensures they can use the appropriate frameworks and libraries, work with web protocols, handle sessions, and create web applications using Perl.
Perl Debugging and Error Handling
Debugging and error handling skills are essential for finding and fixing issues in Perl code and handling errors gracefully. Testing candidates on Perl debugging and error handling assesses their ability to identify and resolve bugs, use debugging tools effectively, and implement robust error handling strategies to enhance the reliability and maintainability of their code.
Full list of covered topics
The actual topics of the questions in the final test will depend on your job description and requirements. However, here's a list of topics you can expect the questions for Perl Online Test to be based on.
Variables
Scalar
Scalar conversion functions
Arrays
Array functions
Hashes
Hash functions
Control structures
Loops
Conditional statements
Regular expressions
Pattern matching
File input/output
File manipulation
Modules
Packages
Object-oriented programming
Classes
Inheritance
Polymorphism
Database connectivity
Database queries
Database transactions
Web development
CGI programming
HTML templating
Session management
Debugging techniques
Error handling
Testing and troubleshooting

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What roles can I use the Perl Online Test for?

Perl Developer
Remote Perl Engineer
Senior Perl Engineer
SQL Perl Developer

How is the Perl Online Test customized for senior candidates?

For intermediate/ experienced candidates, we customize the assessment questions to include advanced topics and increase the difficulty level of the questions. This might include adding questions on topics like

Implementing advanced Perl concepts and techniques
Optimizing Perl code for performance
Utilizing Perl for system administration tasks
Implementing network programming in Perl
Working with Perl frameworks and libraries
Designing and developing secure Perl applications
Creating multithreaded applications in Perl
Testing and maintaining Perl code
Integrating Perl with other programming languages
Implementing best practices in Perl development

The coding question for experienced candidates will be of a higher difficulty level to evaluate more hands-on experience.

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The hiring managers felt that through the technical questions that they asked during the panel interviews, they were able to tell which candidates had better scores, and differentiated with those who did not score as well. They are highly satisfied with the quality of candidates shortlisted with the Adaface screening.

85%

reduction in screening time

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Perl Hiring Test FAQs

Can I combine multiple skills into one custom assessment?

Yes, absolutely. Custom assessments are set up based on your job description, and will include questions on all must-have skills you specify. Here's a quick guide on how you can request a custom test.

Do you have any anti-cheating or proctoring features in place?

We have the following anti-cheating features in place:

Non-googleable questions
IP proctoring
Screen proctoring
Web proctoring
Webcam proctoring
Plagiarism detection
Secure browser
Copy paste protection

Read more about the proctoring features.

How do I interpret test scores?

The primary thing to keep in mind is that an assessment is an elimination tool, not a selection tool. A skills assessment is optimized to help you eliminate candidates who are not technically qualified for the role, it is not optimized to help you find the best candidate for the role. So the ideal way to use an assessment is to decide a threshold score (typically 55%, we help you benchmark) and invite all candidates who score above the threshold for the next rounds of interview.

What experience level can I use this test for?

Each Adaface assessment is customized to your job description/ ideal candidate persona (our subject matter experts will pick the right questions for your assessment from our library of 10000+ questions). This assessment can be customized for any experience level.

Does every candidate get the same questions?

Yes, it makes it much easier for you to compare candidates. Options for MCQ questions and the order of questions are randomized. We have anti-cheating/ proctoring features in place. In our enterprise plan, we also have the option to create multiple versions of the same assessment with questions of similar difficulty levels.