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Linux Foundation LFCA Exam Syllabus Topics:
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NEW QUESTION # 22
What does LVM stand for?
- A. Linux Virtualization Manager
- B. Logical Virtualization Manager
- C. Logical Volume Manager
- D. Linux Volume Manager
Answer: C
NEW QUESTION # 23
What software application architecture allows teams to iterate quickly and to develop software applications to scale rapidly?
- A. Micro-service architecture
- B. Container architecture
- C. Serverless architecture
- D. SOA architecture
Answer: A
NEW QUESTION # 24
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. usermod
- B. chmod
- C. userdel
- D. lock
Answer: A
NEW QUESTION # 25
Which of these providers host repositories of container images?
- A. GitLab
- B. Docker Hub
- C. Container Index
- D. GitHub
Answer: B
NEW QUESTION # 26
What open source tool is used to manage instances in the cloud using infrastructure as code?
- A. Docker
- B. Terraform
- C. Vault
- D. SystemsDeplover
Answer: B
NEW QUESTION # 27
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 application that requires a regionally- or globally-distributed file system
- D. An event-driven application with dynamic scaling
Answer: D
NEW QUESTION # 28
A company's IT associate lists the contents of a directory and sees this line:
-rwsr-x--x 2 bob sales 2047 Oct 10 09:44 sales-report
What happens when Alice from the accounting team tries to execute this file?
- A. The script executes, but Alice cannot see the results.
- B. The script executes and Bob is notified.
- C. The script executes using Bob's account.
- D. The script fails to execute; Alice is not on the sales team.
Answer: C
NEW QUESTION # 29
Which of the following deployment environments is accessed by customers/end-users in a live or real-time fashion?
- A. Website
- B. Staging
- C. Runtime
- D. Production
Answer: D
NEW QUESTION # 30
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. Serve the video streams only to a limited number of users at a time.
- B. Stop serving the video streams when a certain price limit is reached.
- C. Reduce the bitrate to reduce the size of the video streams.
- D. Use a content delivery network to distribute the streams.
Answer: D
NEW QUESTION # 31
Which option will cause ls to display hidden files and folders?
- A. ls -l
- B. ls -t
- C. ls -a
- D. ls -v
Answer: C
NEW QUESTION # 32
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
Answer: D
NEW QUESTION # 33
An IT associate is creating a business case to adopt a DevOps approach in an organization. Which of the following is a benefit of DevOps to include in the business case?
- A. The DevOps tool framework reduces the mean time to recovery and number of outaqes, which results in increased sales.
- B. Developers take on the work of the operations team. The operations team, therefore, needs fewer people, reducing the number of people the organization needs to pay.
- C. The frequency and stability of software deployments will be increased, which can lead to faster time to market.
- D. The new DevOps team takes over the work the development team does not have time to complete. The developers then have time to create new features.
Answer: C
NEW QUESTION # 34
Which utility is used to create public and private key pairs for SSH authentication?
- A. ssh-keyqen
- B. keyqen
- C. adduser
- D. ssh
Answer: A
NEW QUESTION # 35
Which of the following best describes the DevOps methodology of Continuous Delivery?
- A. The focus is on automating releases of projects as soon as possible.
- B. The focus is on coding, building, integrating, and testing software.
- C. The focus is on product releases but also includes coding, building, integrating and testing software
- D. The focus is on configuration management and continuous monitoring.
Answer: A
NEW QUESTION # 36
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.
Answer: D
NEW QUESTION # 37
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