Linux Foundation LFCA Online Practice Questions and Exam Preparation

Linux Foundation LFCA Online Questions & Answers

• Question 31:

  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
  B. A process in which various users of open source software observe copyright notices and satisfy license obligations for their open source software components

• Question 32:

  Which of the following standard log files would provide the most detailed information on why a recently upgraded custom kernel failed to boot?

  A. /var/log/boot.log
  B. /var/log/kern.log
  C. /var/log/svslog
  D. /var/log/auth.log
  B. /var/log/kern.log

• Question 33:

  What technology could be used to address software dependency conflicts between applications on the same host operating system?

  A. Type 1 hvpervisors
  B. Type 2 hvpervisors
  C. Containers
  D. cgroups
  C. Containers

• Question 34:

  Which of the following commands is used to detach a mounted filesystem or storage device?

  A. umount
  B. mount
  C. mkfs
  D. fsck
  A. umount

• Question 35:

  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
  D. cqroups

• Question 36:

  Which utility is used to create public and private key pairs for SSH authentication?

  A. adduser
  B. ssh-keyqen
  C. keyqen
  D. ssh
  B. ssh-keyqen

• Question 37:

  Which of the following commands can be used to lock a user's account so that they cannot log into a Linux server without removing any files, folders, or data?

  A. lock
  B. usermod
  C. userdel
  D. chmod
  B. usermod

• Question 38:

  What does IaaS stand for?

  A. IT as a Service
  B. Integration as a Service
  C. Infrastructure as a Service
  D. Information as a Service
  C. Infrastructure as a Service

• Question 39:

  Which of the following commands is used to display SELinux status?

  A. svstemctl
  B. sestatus
  C. firewall-cmd
  D. sudo
  B. sestatus

• Question 40:

  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
  C. Disabling ssh access for root