無料Linux Foundation LFCAテスト練習問題試験問題集
試験準備には欠かさない！トップクラスのLinux Foundation LFCA試験最新版アプリ学習ガイドで練習
質問 # 17
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. chmod
- B. userdel
- C. lock
- D. usermod
正解：D
質問 # 18
By default, the Linux operating system uses what access control to manage files/users?
- A. Mandatory Access Control
- B. Full Control
- C. Discretionary Access Control
- D. Least Privilege
正解：C
質問 # 19
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. Physical hardware
- B. Containers
- C. Virtualization
- D. Hybrid Cloud
正解：B
質問 # 20
Which of the following is considered a best practice for hardening SSHD?
- A. Using portknocking to protect ssh access for root
- B. Renaming root to a random name
- C. Completely disabling ssh access
- D. Disabling ssh access for root
正解：D
質問 # 21
What software application architecture allows teams to iterate quickly and to develop software applications to scale rapidly?
- A. Serverless architecture
- B. Container architecture
- C. Micro-service architecture
- D. SOA architecture
正解：C
質問 # 22
Which of the following commands is used to display SELinux status?
- A. firewall-cmd
- B. sudo
- C. sestatus
- D. svstemctl
正解：C
質問 # 23
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 firewall rules, authentication, authorization, and encrypted protocols.
- D. Implement block-chain tokens, use encrypted protocols, and encrypt the data on storage systems.
正解：C
質問 # 24
What is an appropriate cost consideration when implementing serverless functions in the cloud?
- A. Elapsed lime of function execution and memory used
- B. Runtime environment and container configuration
- C. Virtual machine configuration and memory allocation
- D. vCPU resources and disk cache
正解：A
質問 # 25
Which of the following best describes the technical term "Elasticity"?
- A. The degree to which a system consistently performs according to its specifications
- B. The degree to which a business accommodates larger loads just by adding resources
- 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
正解：D
質問 # 26
Which utility is used to create public and private key pairs for SSH authentication?
- A. ssh
- B. adduser
- C. ssh-keyqen
- D. keyqen
正解：C
質問 # 27
Which of the following is a solution to providing Internet access to a private network using only a single public IPv4 address?
- A. Local area network
- B. NAT gateway
- C. Routing gateway
- D. Virtual private network
正解：B
質問 # 28
A company's IT associate lists the contents of a directory and sees this line:
-rwsr-x--x 2 bob sales 2047 Oct 10 09:44 sales-report
What happens when Alice from the accounting team tries to execute this file?
- A. The script executes, but Alice cannot see the results.
- B. The script fails to execute; Alice is not on the sales team.
- C. The script executes using Bob's account.
- D. The script executes and Bob is notified.
正解：C
質問 # 29
When using vi or vim to edit a file, how do you exit without saving?
- A. ZZ
- B. :q!
- C. :exit
- D. :wq!
正解：B
質問 # 30
In which file are system and user account passwords stored?
- A. /etc/shadow
- B. /etc/secure
- C. /etc/login.defs
- D. /etc/passwd
正解：A
質問 # 31
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 DevOps tool framework reduces the mean time to recovery and number of outaqes, which results in increased sales.
- B. 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.
- C. 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.
- D. The frequency and stability of software deployments will be increased, which can lead to faster time to market.
正解：D
質問 # 32
What command is used to set or change permission attributes of files (such as read, write, execute)?
- A. chacl
- B. setattr
- C. chmod
- D. chown
正解：C
質問 # 33
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Linux Foundation LFCA 認定試験の出題範囲：
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今すぐLFCA問題を使おうLFCA問題集PDF：https://www.goshiken.com/Linux-Foundation/LFCA-mondaishu.html
問題集練習試験問題学習ガイドはLFCA試験にはこれ：https://drive.google.com/open?id=1g_CMxSzp5cba6qj-p3keZxxsepem1Rsd