linux foundation lfca practice test

Which of the following deployment environments is accessed by customers/end-users in a live or
real-time fashion?

• A. Production
• B. Runtime
• C. Staging
• D. Website

Which port is normally required to be open for secure remote interactive shell access to Linux
systems?

• A. 443/tcp
• B. 23/tcp
• C. 22/tcp
• D. 25/tcp

What is the underlying technology that allows containers to be restricted to defined limits for system
resource usage such as CPU, memory, and network bandwidth?

• A. climits
• B. UnionFS
• C. Namespaces
• D. cqroups

Which option will cause ls to display hidden files and folders?

• A. ls -v
• B. ls -l
• C. ls -a
• D. ls -t

In which file are system and user account passwords stored?

• A. /etc/passwd
• B. /etc/login.defs
• C. /etc/shadow
• D. /etc/secure

Which of these providers host repositories of container images?

• A. Docker Hub
• B. GitHub
• C. Container Index
• D. GitLab

What is an appropriate cost consideration when implementing serverless functions in the cloud?

• A. vCPU resources and disk cache B Elapsed lime of function execution and memory used
• C. Virtual machine configuration and memory allocation
• D. Runtime environment and container configuration

Which of the following best describes open source compliance?

• A. A process by which software components are compiled in a development environment, pushed to staging, and then finally moved to production
• B. A process in which various users of open source software observe copyright notices and satisfy license obligations for their open source software components
• C. A process by which users of open source software evaluate each line of their code against an open source dictionary to determine which components have been plagiarized
• D. A process by which open source software is first initiated by a requirements analysis, followed by design and then implementation, with a final testing step

What open source tool is used to manage instances in the cloud using infrastructure as code?

• A. SystemsDeplover
• B. Vault
• C. Terraform
• D. Docker

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