Ruby Gems MCQ question and answer with solution

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What does the gem fetch gem_name command do in Ruby?

A) Lists all versions of the specified gem B) Downloads the gem file without installing it C) Updates the gem to the latest version D) None of the above

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Answer & Solution

Answer: Option B

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Which command is used to check the details of a specific gem version in Ruby?

A) gem info gem_name -v version_number B) gem details gem_name -v version_number C) gem spec gem_name -v version_number D) gem version gem_name -v version_number

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Answer & Solution

Answer: Option C

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What is the purpose of the gem dependency gem_name command in Ruby?

A) Lists all gems installed on the system B) Installs the gem without checking for dependencies C) Lists all versions of the specified gem D) Lists all dependencies of a specified gem

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Answer & Solution

Answer: Option D

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What does the gem uninstall gem_name -v version_number command do in Ruby?

A) Uninstalls a specific version of a gem B) Uninstalls all versions of the specified gem C) Reinstalls the specified version of the gem D) Downgrades the specified gem to the previous version

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Answer & Solution

Answer: Option A

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Which command is used to open the documentation for a specific gem in Ruby?

A) doc gem_name B) gem doc gem_name C) open gem_name D) gem open gem_name

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Answer & Solution

Answer: Option D

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What is the purpose of the --no-document flag when installing gems using Bundler?

A) Installs gems without documentation B) Installs gems without checking for dependencies C) Skips generating documentation for installed gems D) Installs gems without updating the Gemfile.lock

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Answer & Solution

Answer: Option C

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What does the gem install gemfile command do in Ruby?

A) Installs gems without checking for dependencies B) Installs a gem using the specified gemfile C) Installs gems without updating the Gemfile.lock D) None of the above

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Answer & Solution

Answer: Option B

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Which command is used to list outdated gems and their dependencies in Ruby?

A) gem outdated --all B) gem old C) gem update D) gem update --system

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Answer & Solution

Answer: Option A

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What is the purpose of the gem install gem_name -N command in Ruby?

A) Installs the gem without updating RubyGems B) Installs the gem without updating the Gemfile.lock C) Installs the gem without checking for dependencies D) Installs the gem without documentation

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Answer & Solution

Answer: Option D

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What is the purpose of the gem environment gemdir command in Ruby?

A) Displays the RubyGems environment B) Installs gems without checking for dependencies C) Installs gems without updating the Gemfile.lock D) Displays the directory where gems are installed

Discuss

Answer & Solution

Answer: Option D

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Ruby Gems MCQ question and answer with solution | Ruby Programming MCQs