Linux Foundation : LFCA Questions & Answers
Updated: Nov 01, 2026
No. of Questions: 159 Questions & Answers with Testing Engine
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Linux Foundation LFCA Exam Syllabus Topics:
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Reference: https://training.linuxfoundation.org/certification/certified-it-associate/
Linux Foundation Certified IT Associat Sample Questions:
Which of the following is considered a best practice for hardening SSHD?
- A. Using portknocking to protect ssh access for root
- B. Completely disabling ssh access
- C. Disabling ssh access for root
- D. Renaming root to a random name
Correct Answer: C 🗳️
A configuration file containing API keys must be securely transferred between two Linux servers located in separate data centers. Which method provides the best balance of confidentiality, integrity, and compliance with security best practices?
- A. Encrypt the file with a weak password in a .zip archive and transfer it using an unencrypted FTP connection.
- B. Use scp with SSH key-based authentication and restrict access using hardened SSH configuration.
- C. Upload the file to a private S3 bucket with temporary public read permissions and share the link via email.
- D. Use rsync over SSH with password-based login and allow dynamic port forwarding through the firewall.
Correct Answer: B 🗳️
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In the context of DevOps, which statement best defines observability in a Linux-based system?
- A. Observability is the ability to continuously track key performance indicators such as CPU, memory, and network usage to ensure the system remains healthy.
- B. Observability is the practice of proactively detecting and addressing potential bottlenecks by running automated health checks and performance tests.
- C. Observability is the process of correlating system events with deployment activities to understand how changes impact overall performance and stability.
- D. Observability is the capability to infer a system's internal state from external outputs by collecting and analyzing logs, metrics, and traces.
Correct Answer: D 🗳️
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In software development, what does 'API' stand for?
- A. Application Programming Interface
- B. Advanced Programming Instruction
- C. Application Performance Indicator
- D. Automated Process Integration
Correct Answer: A 🗳️
An organization wants to eliminate password-based SSH logins on its Linux servers. Which authentication method should be implemented?
- A. Challenge-response authentication using PAM passwords
- B. Kerberos ticket caching in /tmp
- C. Host-based authentication using /etc/hosts.allow
- D. Public key authentication with keys stored in ~/.ssh/authorized_keys
Correct Answer: D 🗳️
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