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Linux Foundation LFCA Actual Questions and Braindumps
Linux Foundation LFCA Exam Syllabus Topics:
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NEW QUESTION # 33
What does LVM stand for?
- A. Linux Volume Manager
- B. Logical Volume Manager
- C. Logical Virtualization Manager
- D. Linux Virtualization Manager
Answer: B
NEW QUESTION # 34
Which type of cloud computing combines on-premise infrastructure with a public cloud?
- A. Mixed cloud
- B. Combination cloud
- C. Hybrid cloud
- D. Super cloud
Answer: C
NEW QUESTION # 35
Which of the following is a solution to providing Internet access to a private network using only a single public IPv4 address?
- A. NAT gateway
- B. Virtual private network
- C. Routing gateway
- D. Local area network
Answer: A
NEW QUESTION # 36
After installing the package 'postfix', what command would you run in order to ensure that Postfix is started on reboot?
- A. enable postfix on
- B. /etc/init.d/enable postfix
- C. svstemctl enable postfix
- D. postfix -onboot yes
Answer: C
NEW QUESTION # 37
What command do you use to view the structure of system directory hierarchies?
- A. ls -t
- B. tree
- C. fee | ls /etc
- D. ls tree
Answer: B
NEW QUESTION # 38
Which of these providers host repositories of container images?
- A. GitLab
- B. GitHub
- C. Container Index
- D. Docker Hub
Answer: D
NEW QUESTION # 39
Which of the following technologies is supported by the majority of cloud providers in order to support the orchestration of containerized applications?
- A. Terraform
- B. Kubernetes
- C. Ansible
- D. Vagrant
Answer: B
NEW QUESTION # 40
Which option will cause ls to display hidden files and folders?
- A. ls -v
- B. ls -t
- C. ls -l
- D. ls -a
Answer: D
NEW QUESTION # 41
Which of the following is considered a best practice for hardening SSHD?
- A. Completely disabling ssh access
- B. Renaming root to a random name
- C. Using portknocking to protect ssh access for root
- D. Disabling ssh access for root
Answer: D
NEW QUESTION # 42
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. Namespaces
- B. cqroups
- C. climits
- D. UnionFS
Answer: B
NEW QUESTION # 43
When using vi or vim to edit a file, how do you exit without saving?
- A. ZZ
- B. :q!
- C. :exit
- D. :wq!
Answer: B
NEW QUESTION # 44
What software application architecture allows teams to iterate quickly and to develop software applications to scale rapidly?
- A. SOA architecture
- B. Serverless architecture
- C. Container architecture
- D. Micro-service architecture
Answer: D
NEW QUESTION # 45
What open source tool is used to manage instances in the cloud using infrastructure as code?
- A. Terraform
- B. SystemsDeplover
- C. Docker
- D. Vault
Answer: A
NEW QUESTION # 46
What command is used to view new content as it is written to a log file?
- A. cut -f1-5
- B. cat
- C. tail -f
- D. grep -f
Answer: C
NEW QUESTION # 47
Which of the following is a non-functional requirement?
- A. The system must allow the administrator to disable user accounts.
- B. The system must allow the user to upload a profile image.
- C. The system must adhere to all security requirements and regulations.
- D. The system must provide the user the option to enable multi-factor authentication.
Answer: C
NEW QUESTION # 48
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 by which software components are compiled in a development environment, pushed to staging, and then finally moved to production
- C. A process in which various users of open source software observe copyright notices and satisfy license obligations for their open source software components
- D. 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
Answer: C
NEW QUESTION # 49
Which of the following commands is used to detach a mounted filesystem or storage device?
- A. mount
- B. umount
- C. fsck
- D. mkfs
Answer: B
NEW QUESTION # 50
Which of the following would be the most appropriate use-case for a Function as a Service (FaaS) implementation?
- A. An event-driven application with dynamic scaling
- B. An application that continuously polls for work to process
- C. An application that requires a regionally- or globally-distributed file system
- D. An application that requires a local file system
Answer: A
NEW QUESTION # 51
What command is used to set or change permission attributes of files (such as read, write, execute)?
- A. chacl
- B. setattr
- C. chown
- D. chmod
Answer: D
NEW QUESTION # 52
A server on the network is unreachable. What is the best method to verify connectivity between your computer and the remote server?
- A. netstat
- B. ping
- C. find
- D. lookup
Answer: B
NEW QUESTION # 53
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. DockerBuild
- B. Dockerfile
- C. ImageFile
- D. BuildFile
Answer: B
NEW QUESTION # 54
Which of the following commands is used to display SELinux status?
- A. firewall-cmd
- B. svstemctl
- C. sestatus
- D. sudo
Answer: C
NEW QUESTION # 55
What is an appropriate cost consideration when implementing serverless functions in the cloud?
- A. Runtime environment and container configuration
- B. vCPU resources and disk cache
- C. Virtual machine configuration and memory allocation
- D. Elapsed lime of function execution and memory used
Answer: D
NEW QUESTION # 56
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