NEW 2024 Certification Sample Questions LFCA Dumps & Practice Exam
LFCA Deluxe Study Guide with Online Test Engine
Linux Foundation LFCA Exam Syllabus Topics:
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NEW QUESTION # 28
By default, the Linux operating system uses what access control to manage files/users?
- A. Least Privilege
- B. Discretionary Access Control
- C. Mandatory Access Control
- D. Full Control
Answer: B
NEW QUESTION # 29
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. chown
- B. setcap
- C. auditd
- D. chmod
Answer: D
NEW QUESTION # 30
What is the Linux kernel?
- A. It contains all the applications and software installed on the computer.
- B. It is the firmware for the computer's processor.
- C. It is the core interface between a computer's hardware and its processes.
- D. It is another name for the operating system.
Answer: C
NEW QUESTION # 31
Which type of cloud computing combines on-premise infrastructure with a public cloud?
- A. Mixed cloud
- B. Combination cloud
- C. Super cloud
- D. Hybrid cloud
Answer: D
NEW QUESTION # 32
What technology could be used to address software dependency conflicts between applications on the same host operating system?
- A. Type 2 hvpervisors
- B. cgroups
- C. Containers
- D. Type 1 hvpervisors
Answer: C
NEW QUESTION # 33
An IT associate has a web application running on multiple servers, configured to scale based on CPU usage. The current configuration has a minimum size of 1 and a maximum size of 5 servers, designed to launch and spread the instances across 3 Availability Zones (AZ). During a low utilization period, an entire AZ went down, and the application experienced downtime. What can the IT associate do to increase the availability of the application?
- A. Decrease the AZs to 2
- B. Increase the maximum to 6
- C. Increase the minimum to 2
- D. Change to scale based on number of requests
Answer: C
NEW QUESTION # 34
A company's IT associate has been asked to switch to single-user mode on a running Linux server in order to perform some troubleshooting. Of the options below, which is the best way of doing this?
- A. Isu 1
- B. init singleuser
- C. su single
- D. linit 1
Answer: D
NEW QUESTION # 35
A host seems to be running slowly. What command would help diagnose which processes are using system resources?
- A. lop
- B. uptime
- C. df
- D. free
Answer: A
NEW QUESTION # 36
Which of the following commands is used to detach a mounted filesystem or storage device?
- A. umount
- B. mkfs
- C. fsck
- D. mount
Answer: A
NEW QUESTION # 37
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. Replicate data to another datacenter, use multi-factor authentication, and encrypt data on storage systems.
- C. Implement firewall rules, authentication, authorization, and encrypted protocols.
- D. Implement block-chain tokens, use encrypted protocols, and encrypt the data on storage systems.
Answer: C
NEW QUESTION # 38
Which of the following authentication method types would include using a password in combination with a hardware token?
- A. Multi-Step Analysis
- B. Multi-Factor Authentication
- C. Multi-Staged Security
- D. Hardware Encryption Authentication
Answer: B
NEW QUESTION # 39
A software development team uses a single physical server for testing the latest code in multiple environments: development, pre-production, and production.
What is the recommended approach to maintain the basic security of these environments?
- A. Implement peer review for all the changes deployed into any of the environments
- B. Develop and deploy each environment with its own set of software tools.
- C. Use different user/group IDs for deploying and running workload in each environment.
- D. Assign different developers on the team to work on test, pre-prod. and prod code.
Answer: C
NEW QUESTION # 40
A team just developed a new feature on the company's main web application. An IT associate wants to test this new feature by making it available for only 10% of the users. If everything works without any problems for a week, the associate will then make it available for all users. Which release type should be used to achieve this goal?
- A. Canary release
- B. Experimental release
- C. Beta release
- D. Alpha release
Answer: A
NEW QUESTION # 41
What command is used to set or change permission attributes of files (such as read, write, execute)?
- A. chacl
- B. chown
- C. setattr
- D. chmod
Answer: D
NEW QUESTION # 42
An IT associate would find the log files for syslog in which of the following directories?
- A. /var/log
- B. /home/logs
- C. /usr/local/logs
- D. /etc/logs
Answer: A
NEW QUESTION # 43
Which of the following best describes the technical term "Elasticity"?
- A. The degree to which a business accommodates larger loads just by adding resources
- B. The degree to which a system can adapt to dynamic computing demands
- C. The degree to which a system consistently performs according to its specifications
- D. The ability to meet the business's needs through a variety of cloud offerings
Answer: B
NEW QUESTION # 44
After installing the package 'postfix', what command would you run in order to ensure that Postfix is started on reboot?
- A. postfix -onboot yes
- B. /etc/init.d/enable postfix
- C. svstemctl enable postfix
- D. enable postfix on
Answer: C
NEW QUESTION # 45
Which of the following best describes open source compliance?
- A. 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
- 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 software components are compiled in a development environment, pushed to staging, and then finally moved to production
Answer: B
NEW QUESTION # 46
What file is created to assemble a Docker image, which contains all the commands a user has to run to make the image from start to finish?
- A. ImageFile
- B. DockerBuild
- C. BuildFile
- D. Dockerfile
Answer: D
NEW QUESTION # 47
An IT team needs to synchronize large amounts of data between two nodes on the company's local network. This data changes daily and it is not feasible to copy the entire directory tree each time. Which is the best option to securely copy files in the most timely and efficient manner?
- A. fsync
- B. scp
- C. netcp
- D. rsync
Answer: D
NEW QUESTION # 48
Which of the following best describes serverless computing?
- A. 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
- B. 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
- C. A model where a provider manages the back-end infrastructure management tasks, such as provisioning, scaling, scheduling, and patching
- D. 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
Answer: C
NEW QUESTION # 49
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