Ruby Gems - Study Mode

[#21] What does the command gem uninstall gem_name do in Ruby?
Correct Answer

(D) Uninstalls a specified gem

[#22] What is the purpose of the Gemfile in Ruby projects?
Correct Answer

(A) To specify dependencies for the project

[#23] Which command is used to update all installed gems to their latest versions in Ruby?
Correct Answer

(D) gem update

[#24] What is the purpose of the gemfile.lock file in Ruby projects?
Correct Answer

(C) To lock the versions of gems specified in the Gemfile

[#25] What does the command gem search keyword do in Ruby?
Correct Answer

(B) Searches for gems with names matching the keyword