LFCA Dumps PDF New [2024] Ultimate Study Guide

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Linux Foundation LFCA Exam Syllabus Topics:

Topic	Details
Topic 1	Cloud Costs and Budgeting Software Application Architecture
Topic 2	Cloud Computing Fundamentals System Administration Fundamentals
Topic 3	Security Fundamentals Supporting Applications and Developer
Topic 4	Deployment Environments Cloud Computing Fundamentals
Topic 5	Linux Operating System General Networking Commands System Commands
Topic 6	Software Project Management Open-source Software and Licensing

 

NEW QUESTION # 31
Which of the following deployment environments is accessed by customers/end-users in a live or real-time fashion?

• A. Website
• B. Runtime
• C. Staging
• D. Production

Answer: D

NEW QUESTION # 32
What does IaaS stand for?

• A. Integration as a Service
• B. Infrastructure as a Service
• C. IT as a Service
• D. Information as a Service

Answer: B

NEW QUESTION # 33
By default, the Linux operating system uses what access control to manage files/users?

• A. Mandatory Access Control
• B. Least Privilege
• C. Discretionary Access Control
• D. Full Control

Answer: C

NEW QUESTION # 34
Which measures can be taken to prevent unauthorized access to cloud instances and services?

• A. Implement block-chain tokens, use encrypted protocols, and encrypt the data on storage systems.
• B. Use multi-factor authentication, implement firewall rules, and back up data off-site.
• C. Implement firewall rules, authentication, authorization, and encrypted protocols.
• D. Replicate data to another datacenter, use multi-factor authentication, and encrypt data on storage systems.

Answer: C

NEW QUESTION # 35
In which file are system and user account passwords stored?

• A. /etc/secure
• B. /etc/passwd
• C. /etc/shadow
• D. /etc/login.defs

Answer: C

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 present in the local directory, but not present in the remote directory, will be deleted.
• B. Files absent from the local directory will be restored from the remote directory.
• C. Files present in the remote directory, but not present in the local directory, will be deleted.
• D. Files absent from the remote directory will be restored from the local directory.

Answer: C

NEW QUESTION # 37
Which of the following is a non-functional requirement?

• A. The system must allow the user to upload a profile image.
• B. The system must provide the user the option to enable multi-factor authentication.
• C. The system must allow the administrator to disable user accounts.
• D. The system must adhere to all security requirements and regulations.

Answer: D

NEW QUESTION # 38
Which of the following Git commands creates a new, empty Git repository?

• A. git fork
• B. git in it
• C. git pull
• D. git clone

Answer: B

NEW QUESTION # 39
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. Dockerfile
• B. BuildFile
• C. DockerBuild
• D. ImageFile

Answer: A

NEW QUESTION # 40
What command do you use to view the structure of system directory hierarchies?

• A. ls -t
• B. tree
• C. ls tree
• D. fee | ls /etc

Answer: B

NEW QUESTION # 41
What is an appropriate cost consideration when implementing serverless functions in the cloud?

• A. Virtual machine configuration and memory allocation
• B. vCPU resources and disk cache
• C. Runtime environment and container configuration
• D. Elapsed lime of function execution and memory used

Answer: D

NEW QUESTION # 42
Which of the following best describes the DevOps methodology of Continuous Delivery?

• A. The focus is on product releases but also includes coding, building, integrating and testing software
• B. The focus is on coding, building, integrating, and testing software.
• C. The focus is on configuration management and continuous monitoring.
• D. The focus is on automating releases of projects as soon as possible.

Answer: D

NEW QUESTION # 43
An IT associate would find the log files for syslog in which of the following directories?

• A. /usr/local/logs
• B. /etc/logs
• C. /var/log
• D. /home/logs

Answer: C

NEW QUESTION # 44
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 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.
• B. The frequency and stability of software deployments will be increased, which can lead to faster time to market.
• C. 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.
• D. The DevOps tool framework reduces the mean time to recovery and number of outaqes, which results in increased sales.

Answer: B

NEW QUESTION # 45
What open source tool is used to manage instances in the cloud using infrastructure as code?

• A. Terraform
• B. Docker
• C. SystemsDeplover
• D. Vault

Answer: A

NEW QUESTION # 46
On systemd-based Linux systems, what are runlevels called?

• A. Services
• B. Targets
• C. Modes
• D. Units

Answer: B

NEW QUESTION # 47
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. Increase the minimum to 2
• B. Change to scale based on number of requests
• C. Increase the maximum to 6
• D. Decrease the AZs to 2

Answer: A

NEW QUESTION # 48
A supervisor instructs an IT associate to encrypt all data on a particular partition on a Linux database host. What open source technology would be used to encrypt the data?

• A. ext4
• B. BitLocker
• C. MD5
• D. LUKS

Answer: B

NEW QUESTION # 49
What software application architecture allows teams to iterate quickly and to develop software applications to scale rapidly?

• A. Micro-service architecture
• B. Serverless architecture
• C. SOA architecture
• D. Container architecture

Answer: A

NEW QUESTION # 50
What command is used to view new content as it is written to a log file?

• A. grep -f
• B. cut -f1-5
• C. tail -f
• D. cat

Answer: C

NEW QUESTION # 51
What technology could be used to address software dependency conflicts between applications on the same host operating system?

• A. Type 1 hvpervisors
• B. cgroups
• C. Type 2 hvpervisors
• D. Containers

Answer: D

NEW QUESTION # 52
When using vi or vim to edit a file, how do you exit without saving?

• A. ZZ
• B. :exit
• C. :wq!
• D. :q!

Answer: D

NEW QUESTION # 53
What is the Linux kernel?

• A. It is another name for the operating system.
• B. It is the core interface between a computer's hardware and its processes.
• C. It is the firmware for the computer's processor.
• D. It contains all the applications and software installed on the computer.

Answer: B

NEW QUESTION # 54
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