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

The degree to which a system can adapt to dynamic computing demands

The degree to which a business accommodates larger loads just by adding resources

The degree to which a system consistently performs according to its specifications

The ability to meet the business's needs through a variety of cloud offerings

Which of the following best describes serverless computing?

A model where a provider manages the back-end infrastructure management tasks, such as provisioning, scaling, scheduling, and patching

A model of software that packages up code and all its dependencies so the application runs quickly and reliably from one computing environment to another

A model where a provider manages the back-end infrastructure management tasks, such as provisioning, scaling, scheduling, and patching

An abstraction layer over computer hardware that allows the hardware elements of a single computer-processors, memory, storage, and more-to be divided into multiple segments

A solution comprised of sensors, software, and other technologies for the purpose of connecting and exchanging data with other devices and systems over the internet

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-reportWhat happens when Alice from the accounting team tries to execute this file?

The script executes using Bob's account.

The script executes, but Alice cannot see the results.

The script executes and Bob is notified.

The script fails to execute; Alice is not on the sales team.

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?

Use different user/group IDs for deploying and running workload in each environment.

Assign different developers on the team to work on test, pre-prod. and prod code.

Implement peer review for all the changes deployed into any of the environments

Develop and deploy each environment with its own set of software tools.

Use different user/group IDs for deploying and running workload in each environment.

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?

Identifying the purpose of the proposed system

Identifying the users of the proposed system

Identifying the development methodology

Identifying the technology stack of the proposed system

Encryption that uses both a private key and public key is known as what?

Public Key Cryptography (asymmetric cryptography)

Key Pair Encryption (symmetric cryptography)

HMAC Cryptography (hash based message authentication]

Public Key Cryptography (asymmetric cryptography)

DPE (dual-phased hybrid encryption]

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

Elapsed lime of function execution and memory used

Virtual machine configuration and memory allocation

Runtime environment and container configuration

Which of the following best describes open source compliance?

A process in which various users of open source software observe copyright notices and satisfy license obligations for their open source software components

A process by which software components are compiled in a development environment, pushed to staging, and then finally moved to production

A process in which various users of open source software observe copyright notices and satisfy license obligations for their open source software components

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

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

Which is a common best practice to automatically reduce disk usage associated with the storage of log files?

Use the loqrotate utility to periodically rotate the loq files.

Create a cron job that deletes all log files in the folder every day.

Delete the Vvar/log' directory so the log files are prevented from being created.

Manually empty the log files every day of the week.

When using rsync to mirror a local directory to a remote server, what is the significance of the --delete option?

Files present in the remote directory, but not present in the local directory, will be deleted.

Files absent from the remote directory will be restored from the local directory.

Files present in the local directory, but not present in the remote directory, will be deleted.

Files absent from the local directory will be restored from the remote directory.

Files present in the remote directory, but not present in the local directory, will be deleted.

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

An event-driven application with dynamic scaling

An application that requires a local file system

An application that continuously polls for work to process

An event-driven application with dynamic scaling

An application that requires a regionally- or globally-distributed file system

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?

The frequency and stability of software deployments will be increased, which can lead to faster time to market.

The DevOps tool framework reduces the mean time to recovery and number of outaqes, which results in increased sales.

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.

The frequency and stability of software deployments will be increased, which can lead to faster time to market.

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.

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?

Use a content delivery network to distribute the streams.

Stop serving the video streams when a certain price limit is reached.

Reduce the bitrate to reduce the size of the video streams.

Serve the video streams only to a limited number of users at a time.

Use a content delivery network to distribute the streams.

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

Implement firewall rules, authentication, authorization, and encrypted protocols.

Use multi-factor authentication, implement firewall rules, and back up data off-site.

Implement block-chain tokens, use encrypted protocols, and encrypt the data on storage systems.

Replicate data to another datacenter, use multi-factor authentication, and encrypt data on storage systems.

Implement firewall rules, authentication, authorization, and encrypted protocols.

Linux Foundation LFCA Practice Test 1 - Free Online Exam Questions 1-40

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

Discretionary Access Control

Mandatory Access Control

Least Privilege

Full Control

Comment (0)

Linux Foundation LFCA Practice Test 1

Question

Linux Foundation LFCA Practice Tests

Practice Tests