Networking abbreviation

Question 1

What does FHRP stand for and what is its meaning?

Answer 1

First Hop Redundancy Protocol: Ensures network availability by providing redundancy for the default gateway

Question 2

What does VRRP stand for and what is its meaning?

Answer 2

Virtual Router Redundancy Protocol: Type of FHRP that enables the automatic assignment of available IP routers to be participating hosts

Question 3

QoS and its meaning?

Answer 3

Set of technologies and policies used to manage and prioritize network traffic to ensure the performance of critical applications, reduce latency, and improve user experience by controlling packet loss and jitter

Question 4

ICS and its meaning?

Answer 4

Integrated hardware and software systems used to monitor and control industrial processes such as manufacturing, power generation, and water treatment, ensuring efficient and safe operations.

Question 5

SCADA and its meaning?

Question 6

PLCs and their meaning.

Answer 6

Programmable Logic Controllers: specialized computers used in industrial settings to automate machinery and processes by executing pre-programmed instructions, offering flexibility and reliability in controlling complex systems.

Question 7

NFC and its meaning?

Answer 7

Near Field Communication: A short-range wireless technology that enables communication between devices over a distance of about 1.6 inches (4 cm), commonly used for contactless payments and data exchange

Question 8

NAT and its meaning?

Answer 8

Network Address Translation: Remap IP addresses

Question 9

PPP and its meaning?

Answer 9

Point-to-Point Protocol: PPP is a data link layer protocol used to establish a direct connection between two networking nodes, providing features like authentication, encryption, and compression, commonly used for internet dial-up connections.

Question 10

SMTP and meaning?

Answer 10

Simple Mail Transfer Protocol: an application layer protocol used for sending emails across networks, primarily responsible for transferring messages from a client to a server or between servers.

Question 11

HIDS and meaning?

Answer 11

Host-based Intrusion Detection System: software that runs on a single computer to monitor applications and logs for signs of known attacks, focusing on the host rather than network traffic.

Question 12

PIDS + meaning?

Answer 12

Protocol-based Intrusion Detection System: designed to monitor a specific protocol on a single server, analysing traffic for anomalies or known threats related to that protocol.

Question 13

IPS + meaning?

Answer 13

Intrusion Prevention System: actively monitors network traffic for malicious activity and can take automated corrective actions to block or mitigate threats in real-time.

Question 14

APIDS + meaning?

Answer 14

Application Protocol-based Intrusion Detection System: monitors traffic to and from servers running the same application, focusing on detecting threats specific to the application protocol in use.

Question 15

SaaS + meaning?

Answer 15

Software as a Service: provides customers with access to applications developed and hosted by the cloud provider.

Question 16

CSMA/CD + meaning?

Answer 16

Carrier-Sense Multiple Access with Collision Detection: protocol that allows devices on an Ethernet network to listen for a carrier signal before transmitting data and to detect collisions, using a random back-off timer to reduce the chance of repeated collisions.

Question 17

CTS + meaning?

Answer 17

Clear To Send: used to prevent collisions on wireless networks, which do not use Ethernet

Question 18

DaaS + meaning?

Answer 18

Desktop as a Service: Hosts end users’ desktops (including data and applications) within a cloud data center

Question 19

PaaS + meaning?

Answer 19

Platform as a Service: Offers a managed environment for an organization’s applications

Question 20

IaaS + meaning?

Answer 20

Infrastructure as a Service: provides a platform for a customer to install their own operating system.

Question 21

HFC + meaning?

Answer 21

Hybrid Fiber-Coaxial: mixed fiber-optic and coaxial cabling network that uses fiber in the trunk portions to provide high speeds and coaxial to distribute it to homes.

Question 22

DOCSIS + meaning?

Answer 22

Data Over Cable Service Interface Specifications: Telecommunications standard used to provide high-speed internet access over existing cable TV systems, enabling cable modems to transmit data efficiently over Hybrid Fiber-Coaxial (HFC) networks

Question 23

PDU + meaning?

Answer 23

Power Distribution Unit: can be as simple as a power strip with at least five receptacles or an intelligent module with a surge protector and remote management capabilities. PDUs can come in many different forms, such as rack-mount PDUs or cabinet PDUs.

Question 24

UPS + meaning?

Answer 24

Uninterruptible Power Supply: provides battery backup power in case of a power outage

Question 25

NMS + meaning?

Answer 25

Network Monitoring System: tool used to continuously observe a network's performance, detect outages, and identify failures or anomalies in network devices, helping maintain optimal network health.

Question 26

WAP + meaning

Answer 26

Wireless Access Point: networking device that allows wireless devices to connect to a wired network using Wi-Fi, extending the network's reach and enabling wireless communication within a Local Area Network (LAN).

Question 27

LWAPP + meaning?

Answer 27

Lightweight Access Point Protocol: protocol developed by Cisco to manage and control lightweight access points through a centralized wireless LAN controller, simplifying the deployment and management of wireless networks.

Question 28

IBSS + meaning?

Answer 28

Independent Basic Service Set: wireless network configuration where devices communicate directly with each other in ad hoc mode, without the need for an access point.

Question 29

RFID + meaning?

Answer 29

Radio-Frequency Identification: Technology that uses electromagnetic fields to automatically identify and track tags attached to objects, with applications in inventory management, access control, and contactless payment systems.

Question 30

RIP + meaning?

Answer 30

Routing Information Protocol: distance-vector protocol that makes routing decisions based on hop count.

Question 31

OSPF

Answer 31

Open Shortest Path First: link-state protocol that take link speed into account when making routing decisions

Question 32

IS-IS

Answer 32

Intermediate System-to-Intermediate System: link-state protocol that take link speed into account when making routing decisions

Question 33

EIGRP

Answer 33

Enhanced Interior Gateway Routing Protocol: Hybrid protocol that considers both distance vector and link state

Question 34

LLC + Meaning?

Answer 34

Logical Link Control: sublayer of the Data Link layer in the OSI model that manages communication between devices over a network by providing error detection and control mechanisms, ensuring reliable data transfer.

Question 35

MAC

Answer 35

Media Access Control: sublayer of the Data Link layer responsible for controlling how devices on a network uniquely identify themselves and access the shared communication medium, using MAC addresses to ensure data packets are delivered to the correct destination.

Question 36

STP

Answer 36

Spanning Tree Protocol: network protocol that prevents loops in Ethernet networks by creating a loop-free logical topology, ensuring that there is only one active path between two network devices.

Question 37

DMZ

Answer 37

Demilitarized Zone: network segment that acts as a buffer between an internal network and the public Internet, hosting public-facing services like web servers to enhance security by isolating them from the internal network.

Question 38

IR

Answer 38

Infrared: requires a line of sight

Question 39

PRTG

Answer 39

Paessler Router Traffic Grapher: Used on any operating system to perform network monitoring

Question 40

BYOD

Answer 40

Bring-Your-Own-Device - outlines the rules and guidelines for employees who use their personal devices, such as smartphones and laptops, for work purposes, addressing security, privacy, and support issues.

Question 41

SLA

Answer 41

Service-Level Agreement - contract between a service provider and a customer that specifies the expected level of service, performance metrics, and responsibilities, ensuring both parties have a clear understanding of service expectations.

Question 42

BCP

Answer 42

Business Continuity Plan - strategic plan that outlines procedures and instructions an organization must follow to maintain operations during and after a disaster or unexpected disruption, ensuring minimal impact on business functions.