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NPM Online Test

Topics Covered

  • Folder structures
  • JSON
  • Queries
  • Database
  • Referencing
  • Operators
  • Database Objects
  • URL
  • Tables

Useful for hiring

  • JavaScript Developers
  •  Full Stack Developer
  •  Node.js Developers

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"Interview Mocha has provided UNEECOPS with a veritable assessment platform with a comprehensive test library, online test platform, and intelligent reports. This made it easier for us to map different job openings with job-fit candidates and recruit faster."

Nisha Chandila, UNEECOPS,
Talent Acquisition Manager
Question

You need to (hypothetically) find a certain temporary file of your application using npm. Assuming that the default locations were used, which of the following environment variables determines where the file is located?

Answer
    • TMPDIR

    • TMP

    • TEMP

    • Any of the mentioned

Question

You installed npm in your system and started the server on the same system on port 5030. If you want to install some packages in the npm registry installed on your machine then, which of following options can be used?

Note: There can be multiple correct answers to this question.

Answer
    • npm --registry=http://localhost:5030/ install <package_name>

    • $ npm persist registry=http://localhost:5030/
      $ npm install <package_name>

    • $ npm set registry http://localhost:5030/
      $ npm install <package_name>

Question

You installed npm to your machine, but the owner hasn't been set. If you want to set the current user(username) to be the owner then, which of the following commands can be used?

Answer
    • sudo chown -R $(whoami) $(npm config get prefix)

    • sudo dirown -U $(username) $(npm getconfig prefix)

    • sudo chown -U $(username) $(npm getconfig prefix)

    • sudo dirown-R $(whoami) $(npm config get prefix)

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