D522 Python for IT Automation - Set 4 - Part 1

Test your knowledge of technical writing concepts with these practice questions. Each question includes detailed explanations to help you understand the correct answers.

Question 1: What is the primary goal of IT automation with scripting?

Reducing manual, repetitive work and human error

Replacing all IT staff

Making systems slower

Removing the need for testing

Question 2: Which os function returns the current working directory?

os.pwd()

os.getcwd()

os.currentdir()

os.where()

Question 3: Which os function changes the current working directory?

os.cd()

os.setdir()

os.chdir()

os.move()

Question 4: How can you access an environment variable named PATH in Python?

os.getenv only fails

env.PATH

os.env('PATH')

os.environ['PATH']

Question 5: Which os.path function joins path components in a cross-platform way?

os.path.join()

os.path.combine()

os.path.add()

os.path.merge()

Question 6: Why should os.path.join be used instead of manual string concatenation for paths?

It is faster

It handles OS-specific separators correctly

It sorts the path

It shortens the path

Question 7: Which os.path function returns the file name portion of a path?

os.path.filename()

os.path.name()

os.path.basename()

os.path.tail()

Question 8: Which os.path function returns the directory portion of a path?

os.path.folder()

os.path.head()

os.path.parent()

os.path.dirname()

Question 9: Which pathlib class provides an object-oriented interface to filesystem paths?

Path

File

Question 10: What is idempotency important for in automation?

The script runs only once

Running a script multiple times produces the same result

The script fails safely

The script is encrypted

Question 11: Which practice makes an automation script safer to re-run?

Ignoring existing state

Always overwriting everything

Checking whether a change is already applied before making it

Never logging

Question 12: What is a cron job used for on Unix-like systems?

Compiling code

Encrypting files

Managing users only

Scheduling scripts to run automatically at set times

Question 13: Which Windows tool schedules automated tasks?

Task Scheduler

cron

systemd

launchd

Question 14: What does a script's exit code (return code) of 0 conventionally indicate?

Failure

Success

A warning

Unknown status

Question 15: How do you set a script's exit code in Python?

return code

exit code

sys.exit(code)

os.code(code)

Question 16: Why are exit codes important for automation pipelines?

They format output

They speed up scripts

They store data

They let other tools detect success or failure

Question 17: What is the benefit of parameterizing a script with command-line arguments?

The same script can be reused with different inputs

It runs faster

It hides errors

It removes the need for functions

Question 18: What should sensitive credentials in automation scripts be stored in?

The script source code

Environment variables or a secrets manager, not hardcoded

A public repository

Plain text comments

Question 19: Why should credentials never be committed to version control?

It slows the repository

It breaks the code

Repository history retains them and they may be exposed

Version control cannot store text

Question 20: What does the paramiko library enable in Python automation?

Local file compression

JSON parsing

Regular expressions

SSH connections to remote servers

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