D522 Python for IT Automation - Set 2 - Part 2

Correct Answer: It can allow command injection

Using shell=True with unsanitized input can allow attackers to inject arbitrary shell commands, a serious security risk.

Correct Answer: json

The json module encodes and decodes JSON data, converting between Python objects and JSON strings.

Correct Answer: json.dumps()

json.dumps() serializes a Python object into a JSON-formatted string.

Correct Answer: json.loads()

json.loads() deserializes a JSON string into the corresponding Python object such as a dictionary or list.

Correct Answer: csv

The csv module provides functionality to read from and write to comma-separated values files.

Correct Answer: re

The re module provides regular expression matching operations for searching and manipulating text patterns.

Correct Answer: re.search()

re.search() scans through a string and returns a match object for the first location where the pattern matches.

Correct Answer: re.match()

re.match() checks for a match only at the beginning of the string, returning None if it does not match there.

Correct Answer: re.sub()

re.sub() replaces occurrences of a pattern in a string with a specified replacement.

Correct Answer: .

The dot . matches any single character except a newline in a regular expression.

Correct Answer: Zero or more of the preceding element

The * quantifier matches zero or more repetitions of the preceding pattern element.

Correct Answer: One or more of the preceding element

The + quantifier matches one or more repetitions of the preceding element.

Correct Answer: datetime

The datetime module supplies classes for manipulating dates and times.

Correct Answer: datetime.datetime.now()

datetime.datetime.now() returns the current local date and time as a datetime object.

Correct Answer: time

The time module's sleep() function pauses execution for a given number of seconds, useful in automation loops.

Correct Answer: time.sleep()

time.sleep(seconds) suspends the program for the specified duration.

Correct Answer: glob

The glob module returns lists of file paths matching a specified pattern, such as *.txt.

Correct Answer: logging

The logging module provides a flexible framework for emitting log messages at various severity levels.

Correct Answer: It supports levels, timestamps, and output destinations

Logging supports severity levels, timestamps, and configurable outputs, making it far better than print for diagnosing automation runs.

Correct Answer: ERROR

The ERROR level indicates a serious problem that prevented part of the program from functioning.