最新のLFCA実際の無料試験問題更新された62問あります
無料で使えるLFCA試験ブレーン問題集認定ガイドの問題と解答
質問 # 20
Which of these providers host repositories of container images?
- A. GitLab
- B. Container Index
- C. GitHub
- D. Docker Hub
正解：D
質問 # 21
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
正解：C
質問 # 22
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. MD5
- B. LUKS
- C. ext4
- D. BitLocker
正解：D
質問 # 23
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 users of the proposed system
- B. Identifying the development methodology
- C. Identifying the purpose of the proposed system
- D. Identifying the technology stack of the proposed system
正解：C
質問 # 24
What open source tool is used to manage instances in the cloud using infrastructure as code?
- A. Terraform
- B. Docker
- C. SystemsDeplover
- D. Vault
正解：A
質問 # 25
Which is a common best practice to automatically reduce disk usage associated with the storage of log files?
- A. Manually empty the log files every day of the week.
- B. Use the loqrotate utility to periodically rotate the loq files.
- C. Create a cron job that deletes all log files in the folder every day.
- D. Delete the Vvar/log" directory so the log files are prevented from being created.
正解：B
質問 # 26
Which of the following deployment environments is accessed by customers/end-users in a live or real-time fashion?
- A. Production
- B. Website
- C. Staging
- D. Runtime
正解：A
質問 # 27
What command do you use to view the structure of system directory hierarchies?
- A. fee | ls /etc
- B. ls -t
- C. ls tree
- D. tree
正解：D
質問 # 28
What is an appropriate cost consideration when implementing serverless functions in the cloud?
- A. vCPU resources and disk cache
- B. Elapsed lime of function execution and memory used
- C. Runtime environment and container configuration
- D. Virtual machine configuration and memory allocation
正解：B
質問 # 29
In which file are system and user account passwords stored?
- A. /etc/shadow
- B. /etc/login.defs
- C. /etc/passwd
- D. /etc/secure
正解：A
質問 # 30
A host seems to be running slowly. What command would help diagnose which processes are using system resources?
- A. uptime
- B. lop
- C. free
- D. df
正解：B
質問 # 31
Which of the following best describes the DevOps methodology of Continuous Delivery?
- A. The focus is on coding, building, integrating, and testing software.
- B. The focus is on configuration management and continuous monitoring.
- C. The focus is on product releases but also includes coding, building, integrating and testing software
- D. The focus is on automating releases of projects as soon as possible.
正解：D
質問 # 32
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. 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
- 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. A model where a provider manages the back-end infrastructure management tasks, such as provisioning, scaling, scheduling, and patching
正解：D
質問 # 33
Which of the following commands is used to detach a mounted filesystem or storage device?
- A. mkfs
- B. fsck
- C. umount
- D. mount
正解：C
質問 # 34
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. Develop and deploy each environment with its own set of software tools.
- B. Use different user/group IDs for deploying and running workload in each environment.
- C. Assign different developers on the team to work on test, pre-prod. and prod code.
- D. Implement peer review for all the changes deployed into any of the environments
正解：B
質問 # 35
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
正解：B
質問 # 36
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. Beta release
- C. Alpha release
- D. Experimental release
正解：A
質問 # 37
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. chmod
- B. chown
- C. auditd
- D. setcap
正解：A
質問 # 38
Which of the following is a commonly used open source software used to connect to SSL/TLS VPN services?
- A. VPNConnect
- B. GNUVPN
- C. OpenVPN
- D. NordVPN
正解：C
質問 # 39
When working on a Linux system with firewalld enabled, how can other systems be allowed to access the HTTPS port on the system in the default firewall zone so that the access is granted immediately and persists across reboots?
- A. firewalld --add-service=https
- B. firewall-cmd --add-service=https --permanent --reload
- C. iptables --add-service=https --permanent
- D. firewallctl --add-port=https --reload
正解：B
質問 # 40
Encryption that uses both a private key and public key is known as what?
- A. DPE (dual-phased hybrid encryption]
- B. Key Pair Encryption (symmetric cryptography)
- C. Public Key Cryptography (asymmetric cryptography)
- D. HMAC Cryptography (hash based message authentication]
正解：C
質問 # 41
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. Routing gateway
- C. Local area network
- D. Virtual private network
正解：A
質問 # 42
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 provide the user the option to enable multi-factor authentication.
- D. The system must adhere to all security requirements and regulations.
正解：D
質問 # 43
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LFCA認定概要最新のLFCAのPDF問題集：https://www.passtest.jp/Linux-Foundation/LFCA-shiken.html
トップクラスLinux Foundation LFCA試験材料で学習ガイド！練習問題バージョン：https://drive.google.com/open?id=19sDb228nCiOCHLxZvVW4B2_GnU-VL8rv