LINUX PRO ACTUAL EXAM 2025-2026 \NEWEST EXAM
2025 -2026 \LATEST VERSION WITH UPDATED
QUESTIONS AND ACCURATE DETAILED ANSWERS
\ASSURED PASS ALREADY A+
DHCP (Dynamic Host A network service that provides automatic
Configuration Protocol) assignment of IP addresses and other TCP /IP configuration
information.
Is designed for managing complex networks and use
SNMP (Simple Network
used to communicate with and monitor network
Management Protocol)
devices servers etc. It lets network hosts exchange
configuration and status info.
A Linux file server is a machine that has been set up
and configured to let other machines store and retrieve
files to and from a central location. In addition, using a
File servers
file server can simplify backups and security. Using
SMB shares and a variety of programs such as Samba
or Network File System a Linux file server can share
files with other Linux systems, as well as with non-
Linux systems such as Windows and Mac.
Most enterprise networks require centralized user
authentication and access controls for all system
resources. This is not only convenient for users, but also
allows an administrator to monitor and audit user types
Authentication server and the type of access they have on each machine. It
also makes provisioning and disabling user accounts
easier.
Linux centralized authentication (an authentication
server) can be accomplished in many ways, depending
on the Linux distribution being used. Some options
include installing and using OpenLDAP (Lightweight
Directory Access Protocol) or purchasing programs that
aid in the installation and management of centralized
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authentication, such as FreeIPA Identity & Access
Manager.
A proxy is a computer that provides indirect internet
Proxy access to the computers in your network. It increases
performance and security by blocking direct access
between two networks like corporate network and the
internet
An important Linux role is the ability to capture a
Logging timeline of events that have taken place on the
computer in file form which is a log file. This is useful
for troubleshooting and security
Linux containers give the ability to run an app in an
Containers
isolated environment known as a container.
VPN Can be installed in a linux host
Monitoring refers to the process of monitoring the
Monitoring
essential linux services including os metrics, process
state, logs
Database A database is a collection of objects
Is used when a company wants to make a printer
Print server
avaiable to users. The common UNIXA Printing system
or CUPS is used in linux printing system.
Mail server A computer that sends, receives, and stores email for users.
3 common linux load balancers
Load Balancers Linux virtual
server Nginx
HAProxy
Clustering 2 or more servers grouped together to work like one
echo $0 Shows current shell type
echo $SHELL displays default shell
echo $PATH Shows list of directories in which the system looks for executable
fikes
echo $UID shows current users ID
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