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Perl Online 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.

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Screen candidates with a 40 mins test

Test duration:  ~ 40 mins
Difficulty level:  Moderate
Availability:  Available as custom test
Questions:
  • 10 Perl MCQs
  • 1 Perl Coding Question
Covered skills:
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
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Adaface skill assessments measure on-the-job skills of candidates, providing employers with an accurate tool for screening potential hires.

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Use the Perl Test to shortlist qualified candidates

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
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Screen candidates with the highest quality 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 15,000+ questions. The actual questions on this Perl Online Test will be non-googleable.

🧐 Question

Medium

Package: Destroy
OOPs
Solve
What does the following Perl code print?
 image

Medium

Package: Use Base
OOPs
Solve
What does the following Perl code print?
 image

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
Solve

Medium

Package: Use Base
OOPs

2 mins

Perl
Solve

Easy

Registration Queue
Logic
Queues

30 mins

Coding
Solve

Medium

Visitors Count
Strings
Logic

30 mins

Coding
Solve
🧐 Question🔧 Skill💪 Difficulty⌛ Time
Package: Destroy
OOPs
Perl
Medium2 mins
Solve
Package: Use Base
OOPs
Perl
Medium2 mins
Solve
Registration Queue
Logic
Queues
Coding
Easy30 minsSolve
Visitors Count
Strings
Logic
Coding
Medium30 minsSolve

Test candidates on core Perl Hiring Test topics

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.

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Have questions about the Perl Hiring Test?

What roles can I use the Perl Test for?

Here are few roles for which we recommend this test:

  • Perl Developer
  • Remote Perl Engineer
  • Senior Perl Engineer
  • SQL Perl Developer
Can I combine Perl Online Test with Data Analysis Test?

Yes, recruiters can request a custom test that includes questions from both the Perl Online Test and the Data Analysis Test. This allows for a comprehensive assessment of a candidate’s skills in both areas.

How to use Perl Online Test in my hiring process?

Use the Perl Online Test as a pre-screening tool at the early stages of recruitment. Include a link in your job post or invite candidates via email. Adaface helps identify skilled candidates faster.

What are the main programming language tests?

We offer a variety of programming language tests:

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.

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.

I'm a candidate. Can I try a practice test?

No. Unfortunately, we do not support practice tests at the moment. However, you can use our sample questions for practice.

Can I get a free trial?

Yes, you can sign up for free and preview this test.

What is Perl Online Test?

The Perl Online Test evaluates a candidate's proficiency in Perl programming, covering various topics like syntax, data types, and control structures. It is mainly used by recruiters to assess skills for roles that require Perl expertise.

What topics are evaluated in the Perl Online Test?

The test covers a wide range of Perl-related topics:

  • Perl syntax and data types
  • Control structures
  • Regular expressions
  • File handling
  • Modules and packages
  • Object-oriented programming
  • Database connectivity
  • Web development
  • Debugging and error handling
Can I test both Perl and SQL together?

Yes, you can test both Perl and SQL together. Combining these skills provides a well-rounded view of a candidate's capabilities. Check out the C#, .NET & SQL Test for more information.

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.

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.

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.

What is the cost of using this test?

You can check out our pricing plans.

I just moved to a paid plan. How can I request a custom assessment?

Here is a quick guide on how to request a custom assessment on Adaface.

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