Linux Foundation Linux Foundation Certifications LFCA Questions & Answers

• Question 1:

  What command is used to set or change permission attributes of files (such as read, write, execute)?

  A. chacl

  B. chmod

  C. chown

  D. setattr

  Correct Answer: B

• Question 2:

  Which option will cause ls to display hidden files and folders?

  A. ls -v

  B. ls -l

  C. ls -a

  D. ls -t

  Correct Answer: C

• Question 3:

  Which type of cloud computing combines on-premise infrastructure with a public cloud?

  A. Super cloud

  B. Combination cloud

  C. Hybrid cloud

  D. Mixed cloud

  Correct Answer: C

• Question 4:

  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. firewallctl --add-port=https --reload

  B. iptables --add-service=https --permanent

  C. firewalld --add-service=https

  D. firewall-cmd --add-service=https --permanent --reload

  Correct Answer: D

• Question 5:

  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. BitLocker

  D. ext4

  Correct Answer: C

• Question 6:

  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. Experimental release

  C. Alpha release

  D. Beta release

  Correct Answer: A

• Question 7:

  In which file are system and user account passwords stored?

  A. /etc/passwd

  B. /etc/login.defs

  C. /etc/shadow

  D. /etc/secure

  Correct Answer: C

• Question 8:

  A company's IT associate has been asked to switch to single-user mode on a running Linux server in order to perform some troubleshooting. Of the options below, which is the best way of doing this?

  A. su single

  B. init singleuser

  C. Isu 1

  D. linit 1

  Correct Answer: D

• Question 9:

  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. Containers

  B. Hybrid Cloud

  C. Physical hardware

  D. Virtualization

  Correct Answer: A

• Question 10:

  Which of the following is a non-functional requirement?

  A. The system must allow the administrator to disable user accounts.

  B. The system must provide the user the option to enable multi-factor authentication.

  C. The system must allow the user to upload a profile image.

  D. The system must adhere to all security requirements and regulations.

  Correct Answer: D