C++ Online Test to assess a candidate's knowledge and proficiency objectively

The Mercer | Mettl C++ Online Test is a pre-employment evaluation assessing a job candidate's knowledge and expertise in C++ programming. The test measures applicants' knowledge of CPP basics, advanced C++ concepts, OOP concepts, and hands-on programming. Subject matter experts have validated and holistically designed the test to assess a person's knowledge and applied skills.

What is the importance of the C++ Online Assessment?

C++ is a cross-platform general-purpose programming language that helps develop robust, high-performance applications. It was created as an extension to the C programming language or as C "with classes" to make it more usable and flexible. C++ is versatile, reliable and functionally stable, attesting to its widespread popularity. The popularity and indispensability of the language create a high demand for professional C++ engineers.

How can a C++ Online Test help you hire?

Recruiting a C++ professional has become challenging in an ever-changing IT job market where everyone wants to find and retain top talents. A data-driven approach objectively ascertains that a person's suitability matters most to the recruiter by providing a holistic overview of the applicant's skills, knowledge, and competencies, which predicts their job success and work performance. A pre-employment test is valuable for hiring managers to get in-depth insights into the candidate's fitment. Finding potential hires is straightforward and seamless with the C++ Online Test; it helps filter unsuitable applicants early on and ascertain the suitability of candidates shortlisted for the next step in the assessment process. It also offers detailed reports to make objectively informed recruiting decisions and predict the test-taker's job fitment, readiness, and working skills.

What is inside this C++ Online Test?

This CPP Online Assessment is structured using a mix of technical questions, which include eighteen multiple-choice questions, a format that is familiar to most applicants. This allows for objective and instant scoring. It also includes two hands-on programming challenges mimicking the real-world work environment and evaluating the candidates' coding skills. The test questions are of a moderate difficulty level with a duration of sixty minutes. The test is eligible for candidates with half a year to two years of experience.

What skills does the C++ Test cover?

• Hands-on programming   

It measures the candidate's applied coding skills and ability to resolve debugging questions on a back-end simulator.   

• CPP basics   

It covers basic subskills such as CPP operators and expressions - application, CPP data types - application, and CPP control statements - concept.  

• Object-oriented programming   

It includes topics such as CPP OOPS fundamentals - application, CPP inheritance - application and concept and CPP classes and objects - application.  

• Advanced topics   

It includes advanced concepts such as data structures - stack and linked list, CPP memory allocation - application, CPP functions - analysis and application, and CPP pointers - application.

What roles can you assess when using the C++ Online Test?

• Junior C++ developer   
• C++ developer   
• Software developer (C++)

Sample questions and answers for the C++ Online Test

1. Which of the following is the correct syntax for including user-defined header files in C++?   

a) #include [userdefined]   

b) #include "userdefined"   

c) #include <userdefined.h>   

d) #include <userdefined>   

Answer- b) #include "userdefined"

2. What is an object in C++?   

a) It is a function of class   

b) It is an instance of class   

c) It is the datatype of class   

d) It is part of the syntax of the class   

Answer- b) It is an instance of class.

3. Which of the following is used for comments in C++?   

a) /* comment */   

b) // comment */   

c) // comment   

d) both // comment or /* comment */   

Answer- d) both // comment or /* comment */

4. Which extensions are used for user-defined header files in C++? 

a) hg   

b) cpp   

c) h   

d) hf   

Answer- c) h

5. What are the constants in C++, also known as?   

a) pre-processor   

b) literals   

c) const   

d) none   

Answer- b) literals