[2023年最新] 高合格率な最新無料LFCA試験問題集アンサーを使おう
LFCA知能問題集PDF！Linux Foundation LFCA試験問セット
質問 # 34
Which of the following standard log files would provide the most detailed information on why a recently upgraded custom kernel failed to boot?
- A. /var/log/kern.log
- B. /var/log/auth.log
- C. /var/log/svslog
- D. /var/log/boot.log
正解：A
質問 # 35
Encryption that uses both a private key and public key is known as what?
- A. Public Key Cryptography (asymmetric cryptography)
- B. Key Pair Encryption (symmetric cryptography)
- C. DPE (dual-phased hybrid encryption]
- D. HMAC Cryptography (hash based message authentication]
正解：A
質問 # 36
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 fails to execute; Alice is not on the sales team.
- B. The script executes using Bob's account.
- C. The script executes, but Alice cannot see the results.
- D. The script executes and Bob is notified.
正解：B
質問 # 37
What command do you use to view the structure of system directory hierarchies?
- A. ls -t
- B. ls tree
- C. tree
- D. fee | ls /etc
正解：C
質問 # 38
Which of the following best describes open source compliance?
- A. A process in which various users of open source software observe copyright notices and satisfy license obligations for their open source software components
- B. 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
- C. A process by which software components are compiled in a development environment, pushed to staging, and then finally moved to production
- 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
正解：A
質問 # 39
Which type of cloud computing combines on-premise infrastructure with a public cloud?
- A. Combination cloud
- B. Super cloud
- C. Hybrid cloud
- D. Mixed cloud
正解：C
質問 # 40
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
正解：A
質問 # 41
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. userdel
- B. usermod
- C. lock
- D. chmod
正解：B
質問 # 42
Which of the following deployment environments is accessed by customers/end-users in a live or real-time fashion?
- A. Production
- B. Runtime
- C. Website
- D. Staging
正解：A
質問 # 43
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. LUKS
- B. BitLocker
- C. ext4
- D. MD5
正解：B
質問 # 44
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. Ansible
- C. Kubernetes
- D. Vagrant
正解：C
質問 # 45
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. lookup
- C. ping
- D. find
正解：C
質問 # 46
What does LVM stand for?
- A. Logical Virtualization Manager
- B. Linux Volume Manager
- C. Logical Volume Manager
- D. Linux Virtualization Manager
正解：C
質問 # 47
What is an appropriate cost consideration when implementing serverless functions in the cloud?
- A. Elapsed lime of function execution and memory used
- B. vCPU resources and disk cache
- C. Virtual machine configuration and memory allocation
- D. Runtime environment and container configuration
正解：A
質問 # 48
Which is a common best practice to automatically reduce disk usage associated with the storage of log files?
- A. Delete the Vvar/log" directory so the log files are prevented from being created.
- B. Create a cron job that deletes all log files in the folder every day.
- C. Manually empty the log files every day of the week.
- D. Use the loqrotate utility to periodically rotate the loq files.
正解：D
質問 # 49
Which of the following is a non-functional requirement?
- A. The system must allow the administrator to disable user accounts.
- B. The system must adhere to all security requirements and regulations.
- C. The system must provide the user the option to enable multi-factor authentication.
- D. The system must allow the user to upload a profile image.
正解：B
質問 # 50
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. iptables --add-service=https --permanent
- B. firewall-cmd --add-service=https --permanent --reload
- C. firewallctl --add-port=https --reload
- D. firewalld --add-service=https
正解：B
質問 # 51
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. Implement block-chain tokens, use encrypted protocols, and encrypt the data on storage systems.
- C. Replicate data to another datacenter, use multi-factor authentication, and encrypt data on storage systems.
- D. Implement firewall rules, authentication, authorization, and encrypted protocols.
正解：D
質問 # 52
Which of the following commands is used to detach a mounted filesystem or storage device?
- A. umount
- B. mkfs
- C. fsck
- D. mount
正解：A
質問 # 53
The Linux kernel uses a:
- A. monolithic architecture
- B. dual architecture
B microkernel architecture - C. hybrid microkernel architecture
正解：A
質問 # 54
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 local file system
- B. An application that requires a regionally- or globally-distributed file system
- C. An event-driven application with dynamic scaling
- D. An application that continuously polls for work to process
正解：C
質問 # 55
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