Linux Foundation LFCA Online Practice Questions and Exam Preparation

Linux Foundation LFCA Online Questions & Answers

• Question 1:

  Which type of cloud computing combines on-premise infrastructure with a public cloud?

  A. Super cloud
  B. Combination cloud
  C. Hybrid cloud
  D. Mixed cloud
  C. Hybrid cloud

• Question 2:

  A company's IT associate has been asked to switch to single-user mode on a running Linux server in order to perform some troubleshooting. Of the options below, which is the best way of doing this?

  A. su single
  B. init singleuser
  C. Isu 1
  D. linit 1
  D. linit 1

• Question 3:

  Which of the following is a non-functional requirement?

  A. The system must allow the administrator to disable user accounts.
  B. The system must provide the user the option to enable multi-factor authentication.
  C. The system must allow the user to upload a profile image.
  D. The system must adhere to all security requirements and regulations.
  D. The system must adhere to all security requirements and regulations.

• Question 4:

  Which of the following is a commonly used open source software used to connect to SSL/TLS VPN services?

  A. OpenVPN
  B. GNUVPN
  C. NordVPN
  D. VPNConnect
  A. OpenVPN

• Question 5:

  When using vi or vim to edit a file, how do you exit without saving?

  A. :q!
  B. ZZ
  C. :wq!
  D. :exit
  A. :q!

• Question 6:

  A host seems to be running slowly. What command would help diagnose which processes are using system resources?

  A. df
  B. free
  C. uptime
  D. lop
  D. lop

• Question 7:

  A software development team uses a single physical server for testing the latest code in multiple environments: development, pre-production, and production.

  What is the recommended approach to maintain the basic security of these environments?

  A. Assign different developers on the team to work on test, pre-prod. and prod code.
  B. Implement peer review for all the changes deployed into any of the environments
  C. Develop and deploy each environment with its own set of software tools.
  D. Use different user/group IDs for deploying and running workload in each environment.
  D. Use different user/group IDs for deploying and running workload in each environment.

• Question 8:

  A supervisor instructs an IT associate to encrypt all data on a particular partition on a Linux database host. What open source technology would be used to encrypt the data?

  A. MD5
  B. LUKS
  C. BitLocker
  D. ext4
  C. BitLocker

• Question 9:

  Which of the following authentication method types would include using a password in combination with a hardware token?

  A. Multi-Factor Authentication
  B. Multi-Staged Security
  C. Hardware Encryption Authentication
  D. Multi-Step Analysis
  A. Multi-Factor Authentication

• Question 10:

  An IT associate is working with a video streaming provider. What is a common approach to reduce bandwidth cost while supporting the same or an increasing number of video streams and customers?

  A. Stop serving the video streams when a certain price limit is reached.
  B. Reduce the bitrate to reduce the size of the video streams.
  C. Serve the video streams only to a limited number of users at a time.
  D. Use a content delivery network to distribute the streams.
  D. Use a content delivery network to distribute the streams.