Linux Foundation Linux Foundation Certifications LFCA Questions & Answers

• Question 11:

  When using rsync to mirror a local directory to a remote server, what is the significance of the --delete option?

  A. Files absent from the remote directory will be restored from the local directory.

  B. Files present in the local directory, but not present in the remote directory, will be deleted.

  C. Files absent from the local directory will be restored from the remote directory.

  D. Files present in the remote directory, but not present in the local directory, will be deleted.

  Correct Answer: D

• Question 12:

  Which measures can be taken to prevent unauthorized access to cloud instances and services?

  A. Use multi-factor authentication, implement firewall rules, and back up data off-site.

  B. Implement block-chain tokens, use encrypted protocols, and encrypt the data on storage systems.

  C. Replicate data to another datacenter, use multi-factor authentication, and encrypt data on storage systems.

  D. Implement firewall rules, authentication, authorization, and encrypted protocols.

  Correct Answer: D

• Question 13:

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

  A. SystemsDeplover

  B. Vault

  C. Terraform

  D. Docker

  Correct Answer: C

• Question 14:

  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

  Correct Answer: A

• Question 15:

  Which of the following best describes serverless computing?

  A. A model of software that packages up code and all its dependencies so the application runs quickly and reliably from one computing environment to another

  B. A model where a provider manages the back-end infrastructure management tasks, such as provisioning, scaling, scheduling, and patching

  C. An abstraction layer over computer hardware that allows the hardware elements of a single computer-processors, memory, storage, and more-to be divided into multiple segments

  D. A solution comprised of sensors, software, and other technologies for the purpose of connecting and exchanging data with other devices and systems over the internet

  Correct Answer: B

• Question 16:

  Which of the following would be the most appropriate use-case for a Function as a Service (FaaS) implementation?

  A. An application that requires a local file system

  B. An application that continuously polls for work to process

  C. An event-driven application with dynamic scaling

  D. An application that requires a regionally- or globally-distributed file system

  Correct Answer: C

• Question 17:

  Which of the following technologies is supported by the majority of cloud providers in order to support the orchestration of containerized applications?

  A. Kubernetes

  B. Vagrant

  C. Ansible

  D. Terraform

  Correct Answer: A

• Question 18:

  After installing the package `postfix', what command would you run in order to ensure that Postfix is started on reboot?

  A. /etc/init.d/enable postfix

  B. enable postfix on

  C. postfix -onboot yes

  D. svstemctl enable postfix

  Correct Answer: D

• Question 19:

  What command do you use to view the structure of system directory hierarchies?

  A. tree

  B. fee | ls /etc

  C. ls -t

  D. ls tree

  Correct Answer: A

• Question 20:

  An IT associate is responsible for protecting and maintaining the integrity of a set of configuration files. What command could be used to prevent users from modifying these files?

  A. setcap

  B. auditd

  C. chmod

  D. chown

  Correct Answer: C