Give You Free Regular Updates on LFCA Exam Questions Aug 09, 2024 [Q35-Q54]

Topic	Details
Topic 1	Linux Operating System General Networking Commands System Commands
Topic 2	System Administration Tasks File Management Commands
Topic 3	Security Fundamentals Supporting Applications and Developer

Q35. Which of the following best describes serverless computing?

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

Q36. Which of these providers host repositories of container images?

Docker Hub

GitHub

Container Index

GitLab

Q37. What command do you use to view the structure of system directory hierarchies?

tree

fee | ls /etc

ls -t

ls tree

Q38. What command is used to set or change permission attributes of files (such as read, write, execute)?

chacl

chmod

chown

setattr

Q39. Which utility is used to create public and private key pairs for SSH authentication?

adduser

ssh-keyqen

keyqen

ssh

Q40. 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?

Canary release

Experimental release

Alpha release

Beta release

Q41. Which option will cause ls to display hidden files and folders?

ls -v

ls -l

ls -a

ls -t

Q42. 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.

Q43. What technology could be used to address software dependency conflicts between applications on the same host operating system?

Type 1 hvpervisors

Type 2 hvpervisors

Containers

cgroups

Q44. Which of the following is a commonly used open source software used to connect to SSL/TLS VPN services?

OpenVPN

GNUVPN

NordVPN

VPNConnect

Q45. Which of the following best describes open source compliance?

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

Q46. The Linux kernel uses a:

dual architecture
B microkernel architecture

monolithic architecture

hybrid microkernel architecture

Q47. What open source tool is used to manage instances in the cloud using infrastructure as code?

SystemsDeplover

Vault

Terraform

Docker

Q48. What is the underlying technology that allows containers to be restricted to defined limits for system resource usage such as CPU, memory, and network bandwidth?

climits

UnionFS

Namespaces

cqroups

Q49. A server on the network is unreachable. What is the best method to verify connectivity between your computer and the remote server?

lookup

find

ping

netstat

Q50. Which of the following standard log files would provide the most detailed information on why a recently upgraded custom kernel failed to boot?

/var/log/boot.log

/var/log/kern.log

/var/log/svslog

/var/log/auth.log

Q51. 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?

MD5

LUKS

BitLocker

ext4

Q52. Which of the following Git commands creates a new, empty Git repository?

git clone

git fork

git pull

git in it

Q53. What command is used to view new content as it is written to a log file?

cat

grep -f