Page 5 - Networking

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What Is Wireshark

What Is Wireshark?

Difficulty: Medium

Wireshark, originally called Ethereal, is a free program that is used for analysing data packets and browsing the traffic that...

What Is An SSID

What Is An SSID?

Difficulty: Medium

Short for a service set identifier, an SSID refers to the unique name of a wireless network that differentiates it from other n...

What Is Domain Hijacking

What Is Domain Hijacking?

Difficulty: Medium

Domain hijacking, also known as domain theft, is an unauthorised attempt to take over the ownership of a domain name without th...

What Is FTTC

What Is FTTC?

Difficulty: Medium

Short for fibre to the cabinet, FTTC is a broadband technology that involves running fibre optic cables from the distribution p...

What Is WEP

What Is WEP?

Difficulty: Medium

Short for Wired Equivalent Privacy, WEP is a security standard that is used for securing and providing privacy for WLANs. It us...

What Is A Hostname

What Is A Hostname?

Difficulty: Medium

A hostname, originally known as a nodename, is a customisable name or label that is assigned to a device which identifies it on...

What Is A Wake-On-LAN

What Is A Wake-On-LAN?

Difficulty: Medium

A wake-on-LAN, also known as a power on by LAN, resume on LAN, resume by LAN, or WoL, is a technology that allows a computer to...

What Is Piggybacking

What Is Piggybacking?

Difficulty: Medium

In wireless communications, piggybacking, also known as Wi-Fi squatting, refers to the unauthorised use of someone else’s wirel...

What Is A Crossover Cable

What Is A Crossover Cable?

Difficulty: Medium

A crossover cable is a type of Ethernet cable that directly connects two computers together without the use of a central router...

What Is A Zero-Configuration Network

What Is A Zero-Configuration Network?

Difficulty: Medium

A zero-configuration network, also known as an autonet or a zeroconf is a network that requires no manual configuration of net...

What Is The Payload

What Is The Payload?

Difficulty: Advanced

The payload refers to the data that is within a data packet and the only data that is received by the destination system. It is...

What Is A Semi-Dedicated Server

What Is A Semi-Dedicated Server?

Difficulty: Medium

A dedicated server is a service provided by a hosting provider that allows a user to rent an entire physical server for their o...

What Is A Dedicated Server

What Is A Dedicated Server?

Difficulty: Medium

A dedicated server is a service provided by a hosting provider that allows a user to rent an entire physical server for their o...

What Is FileZilla

What Is FileZilla?

Difficulty: Medium

FileZilla is a free FTP client used for remotely connecting to web servers to upload and download files that was released on 22...

What Is A VPS

What Is A VPS?

Difficulty: Medium

Short for a virtual private server, a VPS is a hosting service that provides users with a virtual machine with full superuser/r...

What Is NNTP

What Is NNTP?

Difficulty: Advanced

Short for the Network News Transfer Protocol, NNTP is a protocol used for transferring Usenet articles, news, and files from one serv...

What Is RJ45

What Is RJ45?

Difficulty: Medium

Short for registered jack 45, RJ45, sometimes spelt RJ-45, is the connector used in Ethernet cables that can be seen at the end...

What Is A Bulletin-Board System

What Is A Bulletin-Board System?

Difficulty: Medium

Often abbreviated to a BBS, a bulletin board system is a server that a user can establish a connection to by using a terminal p...

What Is Usenet

What Is Usenet?

Difficulty: Medium

Short for user’s network, Usenet is an early form of a forum system on the internet that is built on a command-line interface a...

What Is A Cancelbot

What Is A Cancelbot?

Difficulty: Medium

A cancelbot is a program that automatically sends messages to bulletin-board Usenet internet newsgroups to delete certain posti...

What Is A Reverse DNS Lookup

What Is A Reverse DNS Lookup?

Difficulty: Advanced

As suggested in the name, a reverse DNS lookup, also known as an rDNS, is the opposite of a forwards lookup. It works by first....

What Is Uptime

What Is Uptime?

Difficulty: Easy

Uptime refers to the time period when a network or server is up and running. It is the opposite of downtime, which refers to th...

What Is A Bottleneck

What Is A Bottleneck?

Difficulty: Medium

In computing, a bottleneck occurs when one destination becomes overloaded with data, causing a network or server to slow down a...

What Is Data Transfer Rate

What Is Data Transfer Rate?

Difficulty: Medium

Data transfer rate is a measure of the speed that a network device can send data. It specifies the amount of data that can be t...

What Is Routing

What Is Routing?

Difficulty: Medium

Routing is the process of selecting a path for a data packet to be transported from source to destination. Routers are response...

What Is Network-Attached Storage

What Is Network-Attached Storage?

Difficulty: Medium

Often abbreviated to NAS, network-attached storage is a single storage device that connects to a LAN. Instead of computers shar...

What Is FTTP

What Is FTTP?

Difficulty: Medium

Short for fibre to the premises, FTTP is one of the fastest types of broadband available, since all of the cables are fibre opt...

What Is Downtime

What Is Downtime?

Difficulty: Easy

Downtime refers to the time when a network or a server is inaccessible due to congestion, maintenance, rebooting, physical disc...

What Is DSL

What Is DSL?

Difficulty: Medium

Short for digital subscriber line, DSL is a broadband technology that is used to transmit digital signals over telephone lines....

What Is A Data Centre

What Is A Data Centre?

Difficulty: Medium

A data centre is a location in a building where computer systems, web servers, mail servers, file servers, and storage systems....