[Jul-2024] LFCA exam torrent Linux Foundation study guide
Use Valid New LFCA Test Notes & LFCA Valid Exam Guide
Linux Foundation LFCA Exam Syllabus Topics:
| Topic | Details |
|---|---|
| Topic 1 |
|
| Topic 2 |
|
| Topic 3 |
|
| Topic 4 |
|
NEW QUESTION # 11
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. rsync
- B. fsync
- C. scp
- D. netcp
Answer: A
NEW QUESTION # 12
Which of these providers host repositories of container images?
- A. GitLab
- B. GitHub
- C. Docker Hub
- D. Container Index
Answer: C
NEW QUESTION # 13
What does LVM stand for?
- A. Logical Virtualization Manager
- B. Linux Volume Manager
- C. Linux Virtualization Manager
- D. Logical Volume Manager
Answer: D
NEW QUESTION # 14
Which utility is used to create public and private key pairs for SSH authentication?
- A. ssh-keyqen
- B. adduser
- C. keyqen
- D. ssh
Answer: A
NEW QUESTION # 15
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. cqroups
- B. UnionFS
- C. Namespaces
- D. climits
Answer: A
NEW QUESTION # 16
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. chmod
- D. userdel
Answer: B
NEW QUESTION # 17
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 # 18
Which of the following best describes serverless computing?
- A. A model where a provider manages the back-end infrastructure management tasks, such as provisioning, scaling, scheduling, and patching
- B. 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
- C. 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
- 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: A
NEW QUESTION # 19
What is an appropriate cost consideration when implementing serverless functions in the cloud?
- A. Elapsed lime of function execution and memory used
- B. vCPU resources and disk cache
- C. Virtual machine configuration and memory allocation
- D. Runtime environment and container configuration
Answer: A
NEW QUESTION # 20
Which of the following would be the most appropriate use-case for a Function as a Service (FaaS) implementation?
- A. An application that continuously polls for work to process
- B. An application that requires a regionally- or globally-distributed file system
- C. An application that requires a local file system
- D. An event-driven application with dynamic scaling
Answer: D
NEW QUESTION # 21
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. Use different user/group IDs for deploying and running workload in each environment.
- B. Assign different developers on the team to work on test, pre-prod. and prod code.
- C. Develop and deploy each environment with its own set of software tools.
- D. Implement peer review for all the changes deployed into any of the environments
Answer: A
NEW QUESTION # 22
After installing the package 'postfix', what command would you run in order to ensure that Postfix is started on reboot?
- A. svstemctl enable postfix
- B. postfix -onboot yes
- C. enable postfix on
- D. /etc/init.d/enable postfix
Answer: A
NEW QUESTION # 23
Which of the following best describes open source compliance?
- A. 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
- 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 software components are compiled in a development environment, pushed to staging, and then finally moved to production
- 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
Answer: B
NEW QUESTION # 24
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 # 25
What command do you use to view the structure of system directory hierarchies?
- A. ls -t
- B. fee | ls /etc
- C. ls tree
- D. tree
Answer: D
NEW QUESTION # 26
When using vi or vim to edit a file, how do you exit without saving?
- A. :q!
- B. ZZ
- C. :exit
- D. :wq!
Answer: A
NEW QUESTION # 27
What is the Linux kernel?
- A. It is the firmware for the computer's processor.
- B. It contains all the applications and software installed on the computer.
- C. It is another name for the operating system.
- D. It is the core interface between a computer's hardware and its processes.
Answer: D
NEW QUESTION # 28
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. su single
- B. linit 1
- C. Isu 1
- D. init singleuser
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. setcap
- B. auditd
- C. chmod
- D. chown
Answer: C
NEW QUESTION # 30
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. Dockerfile
- C. BuildFile
- D. DockerBuild
Answer: B
NEW QUESTION # 31
A host seems to be running slowly. What command would help diagnose which processes are using system resources?
- A. uptime
- B. df
- C. lop
- D. free
Answer: C
NEW QUESTION # 32
An IT associate is researching technology options to use at a company. The company's application requires a Linux server, features a small memory footprint, and runs mostly web services and a few back-end applications. Which of the following would allow for the most efficient use of system resources and fast startup speeds?
- A. Containers
- B. Physical hardware
- C. Virtualization
- D. Hybrid Cloud
Answer: A
NEW QUESTION # 33
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 block-chain tokens, use encrypted protocols, and encrypt the data on storage systems.
- D. Implement firewall rules, authentication, authorization, and encrypted protocols.
Answer: D
NEW QUESTION # 34
......
LFCA Exam questions and answers: https://www.guidetorrent.com/LFCA-pdf-free-download.html
LFCA Actual Questions Answers PDF 100% Cover Real Exam Questions: https://drive.google.com/open?id=1uHtF3yAJe8oProc9-oUxbwaiD5y8iXsn