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LFCA Exam Dumps For Certification Exam Preparation
Linux Foundation LFCA Exam Syllabus Topics:
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NEW QUESTION # 23
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. UnionFS
- B. cqroups
- C. climits
- D. Namespaces
Answer: B
NEW QUESTION # 24
What does LVM stand for?
- A. Logical Volume Manager
- B. Logical Virtualization Manager
- C. Linux Virtualization Manager
- D. Linux Volume Manager
Answer: A
NEW QUESTION # 25
Which of the following deployment environments is accessed by customers/end-users in a live or real-time fashion?
- A. Runtime
- B. Staging
- C. Website
- D. Production
Answer: D
NEW QUESTION # 26
What does IaaS stand for?
- A. Infrastructure as a Service
- B. IT as a Service
- C. Integration as a Service
- D. Information as a Service
Answer: A
NEW QUESTION # 27
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. svstemctl enable postfix
- C. enable postfix on
- D. postfix -onboot yes
Answer: B
NEW QUESTION # 28
What open source tool is used to manage instances in the cloud using infrastructure as code?
- A. SystemsDeplover
- B. Terraform
- C. Vault
- D. Docker
Answer: B
NEW QUESTION # 29
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 regionally- or globally-distributed file system
- B. An application that requires a local file system
- C. An event-driven application with dynamic scaling
- D. An application that continuously polls for work to process
Answer: C
NEW QUESTION # 30
What is the Linux kernel?
- A. It is the core interface between a computer's hardware and its processes.
- B. It is the firmware for the computer's processor.
- C. It contains all the applications and software installed on the computer.
- D. It is another name for the operating system.
Answer: A
NEW QUESTION # 31
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 consistently performs according to its specifications
- C. The ability to meet the business's needs through a variety of cloud offerings
- D. The degree to which a system can adapt to dynamic computing demands
Answer: D
NEW QUESTION # 32
An IT team is currently implementing a custom software platform to address some key needs of the company. Which of the following is considered a functional requirement?
- A. Identifying the technology stack of the proposed system
- B. Identifying the purpose of the proposed system
- C. Identifying the users of the proposed system
- D. Identifying the development methodology
Answer: B
NEW QUESTION # 33
Encryption that uses both a private key and public key is known as what?
- A. Key Pair Encryption (symmetric cryptography)
- B. HMAC Cryptography (hash based message authentication]
- C. Public Key Cryptography (asymmetric cryptography)
- D. DPE (dual-phased hybrid encryption]
Answer: C
NEW QUESTION # 34
What command is used to set or change permission attributes of files (such as read, write, execute)?
- A. chacl
- B. chown
- C. chmod
- D. setattr
Answer: C
NEW QUESTION # 35
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 # 36
Which utility is used to create public and private key pairs for SSH authentication?
- A. adduser
- B. ssh
- C. ssh-keyqen
- D. keyqen
Answer: C
NEW QUESTION # 37
Which of the following authentication method types would include using a password in combination with a hardware token?
- A. Multi-Staged Security
- B. Multi-Factor Authentication
- C. Multi-Step Analysis
- D. Hardware Encryption Authentication
Answer: B
NEW QUESTION # 38
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. auditd
- C. setcap
- D. chmod
Answer: D
NEW QUESTION # 39
When using rsync to mirror a local directory to a remote server, what is the significance of the --delete option?
- A. Files present in the local directory, but not present in the remote directory, will be deleted.
- B. Files absent from the remote directory will be restored from the local directory.
- C. Files present in the remote directory, but not present in the local directory, will be deleted.
- D. Files absent from the local directory will be restored from the remote directory.
Answer: C
NEW QUESTION # 40
The Linux kernel uses a:
- A. hybrid microkernel architecture
- B. monolithic architecture
- C. dual architecture
B microkernel architecture
Answer: B
NEW QUESTION # 41
A host seems to be running slowly. What command would help diagnose which processes are using system resources?
- A. df
- B. free
- C. lop
- D. uptime
Answer: C
NEW QUESTION # 42
Which option will cause ls to display hidden files and folders?
- A. ls -t
- B. ls -v
- C. ls -l
- D. ls -a
Answer: D
NEW QUESTION # 43
Which of the following is considered a best practice for hardening SSHD?
- A. Disabling ssh access for root
- B. Completely disabling ssh access
- C. Using portknocking to protect ssh access for root
- D. Renaming root to a random name
Answer: A
NEW QUESTION # 44
Which of the following technologies is supported by the majority of cloud providers in order to support the orchestration of containerized applications?
- A. Vagrant
- B. Ansible
- C. Kubernetes
- D. Terraform
Answer: C
NEW QUESTION # 45
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. Change to scale based on number of requests
- B. Increase the maximum to 6
- C. Decrease the AZs to 2
- D. Increase the minimum to 2
Answer: D
NEW QUESTION # 46
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