LFCA Exam Questions

In which file are system and user account passwords stored?

Which of the following would be the most appropriate use-case for a Function as a Service (FaaS) implementation?

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?

After installing the package `postfix', what command would you run in order to ensure that Postfix is started on reboot?

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 an...

Which of the following commands is used to display SELinux status?

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 ser...

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 wa...

Which measures can be taken to prevent unauthorized access to cloud instances and services?

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 gr...

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...

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?

Which of the following is a non-functional requirement?

By default, the Linux operating system uses what access control to manage files/users?

Which of the following Git commands creates a new, empty Git repository?

Which of the following best describes the technical term "Elasticity"?

Which of the following is a solution to providing Internet access to a private network using only a single public IPv4 address?

Which of the following commands is used to detach a mounted filesystem or storage device?

Which of the following standard log files would provide the most detailed information on why a recently upgraded custom kernel failed to boot?

Which of the following best describes serverless computing?

When using vi or vim to edit a file, how do you exit without saving?

Which of the following best describes the DevOps methodology of Continuous Delivery?

An IT associate has a web application running on multiple servers, configured to scale based on CPU usage. The current configuration has a minimum size of 1 and a maximum size of 5...

What technology could be used to address software dependency conflicts between applications on the same host operating system?

What software application architecture allows teams to iterate quickly and to develop software applications to scale rapidly?

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?

What command is used to view new content as it is written to a log file?

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

What file is created to assemble a Docker image, which contains all the commands a user has to run to make the image from start to finish?

What type of cloud deployment is used by a single organization but may be hosted externally?

Which service model in cloud computing provides virtual machines, networks, and storage?

How do you display the first 10 lines of a file in Linux?

What is the function of the chown command in Linux?

In DevOps, what is Kubernetes primarily used for?

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?

Which of the following technologies is supported by the majority of cloud providers in order to support the orchestration of containerized applications?

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 server on the network is unreachable. What is the best method to verify connectivity between your computer and the remote server?

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 tea...

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...

Which command is used to view the manual page of a command in Linux?

In cloud computing, what does 'elasticity' refer to?

Which tool is used for network scanning and discovering devices on a network in Linux?

What is a common method for securing data transmitted over the internet?

In software development, what does 'API' stand for?

Which of these providers host repositories of container images?

What is an appropriate cost consideration when implementing serverless functions in the cloud?

Which of the following best describes open source compliance?

What open source tool is used to manage instances in the cloud using infrastructure as code?

Which of the following is a commonly used open source software used to connect to SSL/TLS VPN services?