A program that interprets commands and allows users to communicate with the operating system.

A widely used Linux distribution known for its stability and robustness.

A network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

The protection of computer systems and networks from information disclosure, theft of, or damage to their hardware, software, or data.

A collection of interconnected computers and devices that can communicate with each other.

A computer or system that provides data, resources, or services to other computers, known as clients, over a network.

A device or software application that accesses services provided by a server.

Data packets being transmitted across a network.

A virtual point where network connections start and end, associated with a specific service or application.

A set of rules that govern data communication between devices over a network.

A specific directive in a firewall that determines whether to allow or block traffic based on defined criteria.

A sequence of rules in a firewall that dictate how packets should be handled.

A defined set of rules that determine how firewall rules are applied.

A user-space utility program for configuring the firewall in Linux, allowing for the setting of rules for packet filtering.

Data or traffic entering a system or network.

Data or traffic leaving a system or network.

An action taken by a firewall to silently discard packets without notifying the sender.

To permit certain types of traffic to pass through the firewall.

To deny certain types of traffic and send a notification back to the sender.

To permit specific traffic based on defined rules in a firewall.

To prevent certain traffic from passing through the firewall.

A formatted unit of data carried by a packet-switched network.

A unique identifier for a device on a network, commonly an IP address.

A smaller network within a larger network, used to improve performance and security.

A network node that serves as an access point to another network.

A point of interaction between two systems or devices, typically where data is transmitted and received.

The maximum rate of data transfer across a network path, measured in bits per second.

The process of converting data into a code to prevent unauthorized access.

The process of verifying the identity of a user or device before granting access to a system.

Mechanisms that restrict access to resources based on user identities and roles.

Denial of Service (DoS)

A type of cyber attack that aims to make a machine or network resource unavailable by overwhelming it with traffic.

A record of events that occur within a system, used for monitoring and troubleshooting.

The arrangement and settings of software or hardware components in a system.

The process of replacing older software versions with newer ones to improve functionality and security.

A piece of software designed to update a program or fix vulnerabilities.

A protocol for secure remote login and other secure network services over an unsecured network.

Virtual Private Network (VPN)

A technology that creates a secure connection over a less secure network, like the internet.

Unauthorized access to a system or network, often with malicious intent.

Specific instructions that define how a firewall manages incoming and outgoing traffic.

A computer or other device that communicates with other hosts on a network.

Malicious software designed to harm or exploit any programmable device or network.

An attempt to gain unauthorized access to data or disrupt services in a network.

A systematic examination of system logs and configurations to ensure compliance with security policies.

Operating System and Network Security Terms Flashcards

Student preview

50 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Operating system

Back

Software that manages computer hardware and software resources and provides common services for computer programs.

2.

FLASHCARD QUESTION

Front

Distribution (Distro)

Back

A version of the Linux operating system that includes the Linux kernel and supporting system software and libraries.

3.

FLASHCARD QUESTION

Front

Kernel

Back

The core part of an operating system that manages system resources and allows communication between hardware and software.

4.

FLASHCARD QUESTION

Front

Package manager

Back

A tool that automates the process of installing, upgrading, configuring, and removing software packages.

5.

FLASHCARD QUESTION

Front

Repository

Back

A storage location for software packages, typically accessed via the internet for downloading and installing applications.

6.

FLASHCARD QUESTION

Front

Command line

Back

A text-based interface used to interact with the operating system by typing commands.

7.

FLASHCARD QUESTION

Front

Terminal

Back

A program that provides a command line interface for users to interact with the operating system.

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