LFCA Online Practice Questions and Answers

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

A. ls -v

B. ls -l

C. ls -a

D. ls -t

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

A. SystemsDeplover

B. Vault

C. Terraform

D. Docker

Which of the following authentication method types would include using a password in combination with a hardware token?

A. Multi-Factor Authentication

B. Multi-Staged Security

C. Hardware Encryption Authentication

D. Multi-Step Analysis

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

A. Kubernetes

B. Vagrant

C. Ansible

D. Terraform

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

A. /etc/init.d/enable postfix

B. enable postfix on

C. postfix -onboot yes

D. svstemctl enable postfix

Which utility is used to create public and private key pairs for SSH authentication?

A. adduser

B. ssh-keyqen

C. keyqen

D. ssh

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

A. The focus is on coding, building, integrating, and testing software.

B. The focus is on automating releases of projects as soon as possible.

C. The focus is on configuration management and continuous monitoring.

D. The focus is on product releases but also includes coding, building, integrating and testing software

The Linux kernel uses a:

A. dual architecture

B. microkernel architecture

C. monolithic architecture

D. hybrid microkernel architecture

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

A. Key Pair Encryption (symmetric cryptography)

B. HMAC Cryptography (hash based message authentication]

C. Public Key Cryptography (asymmetric cryptography)

D. DPE (dual-phased hybrid encryption]

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

A. lookup

B. find

C. ping

D. netstat