[2023年更新]LFCAのPDF問題完璧見込みでFast2test練習試験合格させます
質問 # 25
What software application architecture allows teams to iterate quickly and to develop software applications to scale rapidly?
- A. SOA architecture
- B. Serverless architecture
- C. Container architecture
- D. Micro-service architecture
正解：D
質問 # 26
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/auth.log
- B. /var/log/svslog
- C. /var/log/kern.log
- D. /var/log/boot.log
正解：C
質問 # 27
An IT team needs to synchronize large amounts of data between two nodes on the company's local network. This data changes daily and it is not feasible to copy the entire directory tree each time. Which is the best option to securely copy files in the most timely and efficient manner?
- A. netcp
- B. fsync
- C. rsync
- D. scp
正解：C
質問 # 28
Which of the following commands is used to display SELinux status?
- A. sestatus
- B. svstemctl
- C. firewall-cmd
- D. sudo
正解：A
質問 # 29
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. firewall-cmd --add-service=https --permanent --reload
- B. firewalld --add-service=https
- C. firewallctl --add-port=https --reload
- D. iptables --add-service=https --permanent
正解：A
質問 # 30
Which port is normally required to be open for secure remote interactive shell access to Linux systems?
- A. 22/tcp
- B. 23/tcp
- C. 25/tcp
- D. 443/tcp
正解：A
質問 # 31
Which is a common best practice to automatically reduce disk usage associated with the storage of log files?
- A. Use the loqrotate utility to periodically rotate the loq files.
- B. Manually empty the log files every day of the week.
- C. Delete the Vvar/log" directory so the log files are prevented from being created.
- D. Create a cron job that deletes all log files in the folder every day.
正解：A
質問 # 32
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. Implement peer review for all the changes deployed into any of the environments
- C. Use different user/group IDs for deploying and running workload in each environment.
- D. Assign different developers on the team to work on test, pre-prod. and prod code.
正解：C
質問 # 33
Encryption that uses both a private key and public key is known as what?
- A. DPE (dual-phased hybrid encryption]
- B. Public Key Cryptography (asymmetric cryptography)
- C. HMAC Cryptography (hash based message authentication]
- D. Key Pair Encryption (symmetric cryptography)
正解：B
質問 # 34
When using vi or vim to edit a file, how do you exit without saving?
- A. ZZ
- B. :wq!
- C. :q!
- D. :exit
正解：C
質問 # 35
Which utility is used to create public and private key pairs for SSH authentication?
- A. ssh-keyqen
- B. ssh
- C. adduser
- D. keyqen
正解：A
質問 # 36
A server on the network is unreachable. What is the best method to verify connectivity between your computer and the remote server?
- A. find
- B. netstat
- C. lookup
- D. ping
正解：D
質問 # 37
What command do you use to view the structure of system directory hierarchies?
- A. fee | ls /etc
- B. tree
- C. ls tree
- D. ls -t
正解：B
質問 # 38
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. 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.
- B. The frequency and stability of software deployments will be increased, which can lead to faster time to market.
- C. The DevOps tool framework reduces the mean time to recovery and number of outaqes, which results in increased sales.
- D. 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.
正解：B
質問 # 39
An IT associate would find the log files for syslog in which of the following directories?
- A. /usr/local/logs
- B. /home/logs
- C. /var/log
- D. /etc/logs
正解：C
質問 # 40
An IT associate is working with a video streaming provider. What is a common approach to reduce bandwidth cost while supporting the same or an increasing number of video streams and customers?
- A. Use a content delivery network to distribute the streams.
- B. Reduce the bitrate to reduce the size of the video streams.
- C. Stop serving the video streams when a certain price limit is reached.
- D. Serve the video streams only to a limited number of users at a time.
正解：A
質問 # 41
Which measures can be taken to prevent unauthorized access to cloud instances and services?
- A. Implement firewall rules, authentication, authorization, and encrypted protocols.
- B. Replicate data to another datacenter, use multi-factor authentication, and encrypt data on storage systems.
- C. Implement block-chain tokens, use encrypted protocols, and encrypt the data on storage systems.
- D. Use multi-factor authentication, implement firewall rules, and back up data off-site.
正解：A
質問 # 42
What is the Linux kernel?
- A. It contains all the applications and software installed on the computer.
- B. It is another name for the operating system.
- C. It is the firmware for the computer's processor.
- D. It is the core interface between a computer's hardware and its processes.
正解：D
質問 # 43
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