Exam Certified Data Engineer Professional topic 1 question 68 discussion

databricks fs cp dist/<…>.whl dbfs:/some/place/appropriate

Answer D. The Databricks CLI libraries command is used to manage libraries, including installing custom Python wheels. Specifically, the install subcommand can be used to install a wheel. In contrast, Option B. fs: This command interacts with the Databricks File System (DBFS) to manage files, but it is primarily used for basic file operations (like cp, ls, rm), not specifically for uploading libraries.

Here's how you can use the libraries command to upload your wheel: Bash databricks libraries upload --file <path_to_wheel_file> --name <library_name>

this is a bit tricky, question is asked to upload custom Python Wheel, you can use fs command, but since it'll be used in production job, job command might be needed to perform databricks jobs operations? https://docs.databricks.com/en/dev-tools/cli/commands.html

Its asking to upload to DBFS and not install on cluster

the question is about copying the file not about installing.

Answer B is corrent: "... which Databricks CLI command can be used to upload a custom Python Wheel to object storage mounted with the DBFS ..." The question asks, how to upload the wheel. Not install it or configure it in a job. https://docs.databricks.com/en/archive/dev-tools/cli/dbfs-cli.html

The Databricks CLI fs command is used for interacting with the Databricks File System (DBFS). You can use it to put files into DBFS, which includes uploading custom Python Wheels to a directory in DBFS. The fs command has subcommands like cp that can be used to copy files from your local file system to DBFS, which is backed by an object storage mounted with dbutils.fs.mount(). databricks fs cp my_package.whl dbfs:/mnt/my-mount-point/my_package.whl

It is done using the command: databricks libraries install

you can add a library section to the jobs command, but you can install a wheel with the library command