Free Linux Foundation LFCT Practice Test Questions

Question 1

You need to find all occurrences of the term ‘error’ in ‘application.log’ and redirect both the output and errors from this operation to a file named ‘errors_found.txt’. Which command should you use?

A : grep 'error' application.log > errors_found.txt

B : grep 'error' application.log 2>&1 errors_found.txt

C : grep 'error' application.log &> errors_found.txt

D : grep 'error' application.log > errors_found.txt 2>&1

Answer: D

Question 2

For a project requiring high availability and fault tolerance, a system administrator needs to configure VM replication across multiple geographic regions. Which feature should be prioritized in the cloud provider’s service offerings to meet these requirements?

A : VM auto-scaling based on demand

B : Multi-region deployment capabilities

C : GPU options for compute-intensive tasks

D : Integrated backup and restore services

Answer: B

Question 3

In a GitOps workflow, a team wants to ensure that any changes to the network configuration in their Kubernetes clusters are automatically applied, version-controlled, and easily reversible. Which combination of tools and practices should they implement to achieve this?

A : Direct modifications to the cluster via kubectl commands

B : Storing network configuration as code in a Git repository and applying changes through Kubernetes Operators

C : Use of a shared spreadsheet to track changes and manual application by team members

D : Periodic backups of cluster configurations and manual restoration when changes are needed

Answer: B

Question 4

You need to add a new user named ‘techuser’ to your Linux system and ensure they are a member of an existing group named ‘techgroup’. Which command should you use?

A : useradd -g techgroup techuser

B : usermod -aG techgroup techuser

C : adduser techuser -G techgroup

D : useradd -G techgroup techuser

Answer: A

Question 5

For a project requiring high availability and fault tolerance, a system administrator needs to configure VM replication across multiple geographic regions. Which feature should be prioritized in the cloud provider’s service offerings to meet these requirements?

A : VM auto-scaling based on demand

B : Multi-region deployment capabilities

C : GPU options for compute-intensive tasks

D : Integrated backup and restore services

Answer: B

Free Linux Foundation LFCT Exam Practice Questions 2026