Advanced Topics in Ruby MCQ question and answer with solution

Home

Competitive Exams

Aptitude English Verbal Reasoning Non Verbal Reasoning General Knowledge(GK) General Science(GS) Data Interpretation(DI) Banking Awareness Current Affairs

Computer & Programming

Computer Fundamentals Networking SQL Database C Programming C++ Programming Java Python

Other Subjects

Commerce Management Law Political Science Psychology Agriculture

Exam Categories

SSC Exams Railway Exams All Exams

SSC Exams

SSC CGL SSC CHSL SSC MTS SSC CPO SSC GD SSC JHT SSC Selection Post SSC Stenographer SSC JE

Railway Exams

RRB ALP RRB Technician RRB Section Controller RRB JE RRB Paramedical RRB Group D

Popular Exams

SSC CGL SSC CHSL SSC MTS RRB Group D RRB ALP RRB Technician RRB Section Controller

Engineering Subjects

Computer Science Electronics & Communication Mechanical Engineering Civil Engineering Electrical Engineering

More Engineering

Chemical Engineering Automobile Engineering Biotechnology Mining Engineering Geological Engineering

Engineering Core

Engineering Mathematics Engineering Physics Engineering Chemistry Metallurgical Engineering

Computer Fundamentals

Computer Fundamentals Networking Database SQL MySQL

Programming

C Programming C++ Programming Java Python PHP JavaScript

Advanced

Artificial Intelligence Machine Learning Data Science Cloud Computing Hadoop IoT

Graduation & PG

Commerce Management Law Mass Communication Political Science Psychology

Resources

Current Affairs Interview Blog

What does the respond_to_missing? method do in Ruby?

A) Determines if an object has a certain method defined B) Overrides the default behavior of method_missing for a specific object C) Allows objects to handle method calls for undefined methods D) Raises an error if an object is called with a missing method

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

What is a lambda in Ruby?

A) A block of code that is executed within the context of a specific object B) An anonymous function that can be passed around like an object C) A closure that captures its surrounding scope and can be passed around like an object D) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

What does the __FILE__ constant represent in Ruby?

A) The name of the script being executed B) The name of the directory containing the current file C) The name of the current file being executed D) The current line number in the source file

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

What is the purpose of using the method_missing method in Ruby?

A) To override the default behavior of missing methods B) To define custom behavior for certain methods C) To prevent method calls on certain objects from raising errors D) To handle method calls for undefined methods dynamically

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Which Ruby method is commonly used for converting a block to a Proc object?

A) to_proc B) & C) proc D) lambda

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

What is the purpose of the trace_var method in Ruby?

A) To create a new instance of a variable B) To track the usage of a specific variable throughout the execution of a program C) To print the current value of a variable to the console D) To set a callback that is triggered whenever a global variable is accessed or modified

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

What does the term "method chaining" refer to in Ruby?

A) Passing multiple arguments to a single method call B) Calling the same method recursively C) Invoking multiple methods on the same object in a single line of code D) Passing the return value of one method as an argument to another method

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

What is the purpose of the binding method in Ruby?

A) To execute a block of code within the context of a specific object B) To capture the current execution context and create a binding object C) To generate a list of variables and their values within the current scope D) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which method is commonly used for dynamically defining attribute accessors in Ruby?

A) instance_variable_get B) method_missing C) define_method D) attr_accessor

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

What is the purpose of the __dir__ method in Ruby?

A) Returns the current directory path relative to the file being executed B) Returns the name of the currently executing file C) Returns the list of files in the current directory D) Returns the absolute path of the directory containing the currently executing file

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

1 2 3 4 5 6 7 8

Advanced Topics in Ruby MCQ question and answer with solution | Ruby Programming MCQs