Module 1: Linux Command Line

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In this post, I provide accurate answers and detailed explanations for Module 1: Linux Command Line of Course 4: Cloud Support Essentials: A Technical Approach – AWS Cloud Support Associate Professional Certificate.

Whether you’re preparing for quizzes or brushing up on your knowledge, these insights will help you master the concepts effectively. Let’s dive into the correct answers and detailed explanations for each question.

Module 1 Quiz

Graded Assignment

1. Which command is used to display the current working directory?

  • ls
  • cd
  • pwd ✅
  • open
  • dir

Explanation:
The pwd (print working directory) command displays the full path of the current working directory in the terminal, helping users know exactly where they are located in the file system.

2. Which command can be used to temporarily assume the root user's permissions in Linux?

  • sudo ✅
  • su
  • chown
  • chmod
  • visudo

Explanation:
The sudo command allows a user to temporarily execute commands with the privileges of the root user or another specified user, making it essential for administrative tasks without needing to log in as root.

3. Which of the following permissions would allow you to read and execute a file, but not modify it?

  • 5 ✅
  • 6
  • 7
  • 3 
  • 1

Explanation:
In Linux file permissions, 5 represents read (4) and execute (1) permissions combined, but without write permission. This allows the user to read and execute the file, but not modify it.

4. Which command is the most efficient for monitoring a log file in real-time as new entries are added?

  • cat log_file.txt
  • less log_file.txt
  • tail -f log_file.txt ✅
  • head log_file.txt
  • more log_file.txt

Explanation:
The tail -f command displays the last part of a file and continuously updates the output as new lines are added, making it the most efficient tool for real-time log monitoring.

Related contents:

Module 2: Command Line Troubleshooting
Module 3: Network Troubleshooting
Module 4: Troubleshooting Scenarios

You might also like:

Course 1: Introduction to Information Technology and AWS Cloud
Course 2: AWS Cloud Technical Essentials
Course 3: Skills and Best Practices for Cloud Support Associates
Course 5: Skills for Working as an AWS Cloud Consultant
Course 6: DevOps on AWS and Project Management
Course 7: Capstone: Preparing to work as a Cloud Support Associate

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