2024 Realistic LFCA Dumps Latest Linux Foundation Practice Tests Dumps [Q21-Q40] : Free Exams Dumps Materials : http://exams.dumpsmaterials.com

QUESTION 21
Which port is normally required to be open for secure remote interactive shell access to Linux systems?

25/tcp

22/tcp

23/tcp

443/tcp

QUESTION 22
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

QUESTION 23
Which measures can be taken to prevent unauthorized access to cloud instances and services?

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.

QUESTION 24
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

QUESTION 25
On systemd-based Linux systems, what are runlevels called?

Services

Targets

Units

Modes

QUESTION 26
Which of the following technologies is supported by the majority of cloud providers in order to support the orchestration of containerized applications?

Kubernetes

Vagrant

Ansible

Terraform

QUESTION 27
By default, the Linux operating system uses what access control to manage files/users?

Discretionary Access Control

Mandatory Access Control

Least Privilege

Full Control

QUESTION 28
Which of the following deployment environments is accessed by customers/end-users in a live or real-time fashion?

Production

Runtime

Staging

Website

QUESTION 29
Encryption that uses both a private key and public key is known as what?

Key Pair Encryption (symmetric cryptography)

HMAC Cryptography (hash based message authentication]

Public Key Cryptography (asymmetric cryptography)

DPE (dual-phased hybrid encryption]

QUESTION 30
When using rsync to mirror a local directory to a remote server, what is the significance of the –delete option?

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.

QUESTION 31
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 tree each time. Which is the best option to securely copy files in the most timely and efficient manner?

rsync

scp

fsync

netcp

QUESTION 32
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

QUESTION 33
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?

setcap

auditd

chmod

chown

QUESTION 34
In which file are system and user account passwords stored?

/etc/passwd

/etc/login.defs

/etc/shadow

/etc/secure

QUESTION 35
Which of the following would be the most appropriate use-case for a Function as a Service (FaaS) implementation?

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

QUESTION 36
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

QUESTION 37
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?

Containers

Hybrid Cloud

Physical hardware

Virtualization

QUESTION 38
Which of the following commands is used to detach a mounted filesystem or storage device?

umount

mount

mkfs

fsck

QUESTION 39
Which of the following is considered a best practice for hardening SSHD?

Using portknocking to protect ssh access for root

Completely disabling ssh access

Disabling ssh access for root

Renaming root to a random name

QUESTION 40
Which of the following Git commands creates a new, empty Git repository?

git clone

git fork

git pull

git in it

2024 Realistic LFCA Dumps Latest Linux Foundation Practice Tests Dumps [Q21-Q40]

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