ICT

Wired router and wireless router explained

len Alfred Ajibola - 19th September, 2022 @ 02:37 PM

Topics in ICT

Introduction to routers in networking Wired router and wireless router explained What are core routers in networking? Virtual routers explained with its configuration Edge router explained with its types Domain Name System explained Types of computer network Functions of a router Computer scheme of work, SS1, First Term Computer scheme of work, SS1, Second Term Computer scheme of work, SS1, Third Term Introduction to computer networks Types of DNS server Open Systems Interconnect: Layers of the OSI Model Internet of Things (IoT), How IoT works, its advantages and challenges How to consume less data on android phone Best programming languages to learn The internet and world wide web explained Computer Hardware, Parts and Functions of Computer Hardware


Academic Questions in ICT

Please click here to see all Questions and Answers

What is the first step towards disabling automatic image download on WhatsApp?

  • A. Click on the three dots on the top right hand corner

  • B. Click on the WhatsApp logo

  • C. Click on the settings icon on the top right corner

  • D. Click on the settings icon located on the to top-center of the app

  • E. Click directly on the storage and data icon located on the top right corner

  • F. Click on the mobile data usage icon located on the top right corner

The followings are ways to conserve data on android phones except _____.

  • A. Turning on data saving mode

  • B. Activating background apps

  • C. Use of Wi-Fi to update apps

  • D. Disable automatic image download on WhatsApp

  • E. Watch low resolution videos on youtube

  • F. Utilizing a reputable data saving app on google playstore

Twitter was launched in _____.

  • A. 2003

  • B. 2004

  • C. 2005

  • D. 2006

  • E. 2007

  • F. 2008

Due to the limitation of the Internet Protocol version 4 address, _____ was created.

  • A. IPv5

  • B. IPv6

  • C. IPv7

  • D. IPv8

  • E. IPv9

  • F. IPv10

The term _____ describes the billions of physical devices that will be connected to the internet.

  • A. Internet of Everything

  • B. Internet of Physical Devices

  • C. Internet of Things

  • D. Internet of Objects

  • E. Internetworking

  • F. Internetworking of Objects

A globally interconnected network system that utilizes TCP and IP to transmit data via various media is the _____.

  • A. World Wide Web (www)

  • B. Http

  • C. Https

  • D. Https://www

  • E. LAN

  • F. Internet

Power Supply Unit - Len Academy

The above image shows the _____ in a computer.

  • A. Expansion slot

  • B. Hard Disc Drive

  • C. Optical Drive

  • D. Power Supply Unit

  • E. Motherboard

  • F. Synchronous Dynamic Ram

The clock speed of a computer is the speed at which the _____.

  • A. HDD saves data

  • B. FDS saves data

  • C. SSD saves data

  • D. GPU receives and sends data

  • E. CPU processes data

  • F. RAM transfers data


Types of Router:

A router is defined as a hardware (networking) device that receives, analyzes and forward packets between computer networks. They can be classified into different types based on their physical appearance, connectivity and functionalities.

In this article, wired and wireless routers will be explained.

Please read on the concept of router here

 

  • Wired Routers

A wired router connects directly to end devices (e.g computers and VoIP phones) or intermediary devices like switches and other routers through a cable at both end of each device.

In order to access external networks, one of the ports in a wired router is connected via a cable to a modem. This facilitates the sending and receiving of data packets from the internet. In this regard, wired routers typically supports Network Address Translation (NAT).

Network Address Translation is a concept that allows multiple end devices to connect to the internet through a shared Internet Protocol (IP) Address.

 

The image below shows a D-Link wired router with the blue cables connecting to its ethernet interfaces (or ports) linking end devices (e.g computer and printers) while the white cable connects to a modem. Meanwhile, understand that the interface to the modem connects the home network to the internet:

Wired Router - Len Academy

Please read the introduction to computer networks here

 

Wired routers have firewalls built within them to filter traffic (packets) coming from or going to malicious network destinations.

 

  • Wireless Routers

Unlike the wired router, a wireless router connects to end devices without any form of cables. To achieve this, it has antennae which broadcast wirelessly, while also receiving signals from end devices.

A wireless router may simply be termed a router that provides the functions of a wireless access point. This wireless access point can be used to create a small Local Area Network (LAN), while also providing access to remote networks through the internet.

You can read on core routers here

 

The image below shows a wireless router that can transmit data at 900 megabytes per second on a 5G network and 300 megabytes per second on a 2.4G network.

Wireless Router - Len Academy

 

Wireless routers are used for establishing a Wireless Local Area Network (WLAN). They also support NAT and have firewalls within them. Importantly, they can effectively act as a wireless access point.

Interestingly, some wireless routers may be used to create a wired LAN. This is true because such wireless routers contain ethernet interfaces for cable connection to end devices. As said earlier, they can also be used to create a wireless-only LAN, or wired and wireless network simultaneously. To achieve this, wireless routers do come with one or more ethernet ports (interfaces). These interface controllers are typically fast ethernet or gigabit ethernet ports which are integrated into the hardware of the wireless router. An instance is shown in the image below:

Wireless router with ports - Len Academy

Please read on edge routers here

 

It is worthy of note to state that all wireless routers must possess one or more wireless network interface controllers. This is an important factor that make it a wireless access point. Also, universal serial bus (USB) ports may also be present in wireless routers. The USB ports connect directly to devices like desktops, external hard drives and printers. They may be used as a shared resource on the LAN.

 

Apart from the wired and wireless routers, other types of routes include:

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Alfred Ajibola is a Medical Biochemist, a passionate Academician with over 10 years of experience, a Versatile Writer, a Web Developer, a Cisco Certified Network Associate and a Cisco CyberOps Associate.

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Amazing facts in ICT

YouTube is a video-sharing platform which commenced operations on February 14, 2005 (Valentine's day). Three former PayPal employees -> Chad Hurley, Steve Chen and Jawed Karim created the YouTube service (as a dating app) until Google bought it in November 2006 for US$1.65 billion

Smoking near a Mac device - Len Academy

Smoking near an Apple (Mac) computer voids the warranty.

When you add /4 to the end of Facebook's URL, it will take you to Mark Zuckerberg.

You can try it on you own; or better still, try the link below:

facebook.com/4

Apple iPad retina - Len Academy

Apple iPad retina display is actually manufactured by Samsung

The big five tech companies of the world as at 2018 are :

Google

Apple

Facebook

Amazon

Microsoft


NOTABLE POINTS IN ICT

Computer Network is a group of computers that are linked to each other such that they can share resources.

Generally, these groups of computers that form a network are called nodes.

Some of these nodes will function to store information which will be served to other computers. The nodes that function to store and serve such information are known as servers.

Some of the computers (nodes) will request information from the server. The computers that functions to request information from the server are known as clients.

Please read on computer networks here

The internet and the world wide web (www) isn't the same thing.

The internet is formed from the joining or linking of different networks.

For instance, Google's network, Facebook's network and Yahoo's network are among the many other networks that make up the internet.

World Wide Web on the other hand is a collection of linked pages (for instance, this page you're on).

There are actually billions of linked pages in various servers around the world.

You require the internet and a web browser to get to access the World Wide Web

Please read more on the internet here

Types of Networks based on geographical size

  1. Personal Area Network (PAN): An instance is a Bluetooth connection between two devices.

  2. Local Area Network (LAN): This is the network under a single administrative control and usually within a building.

  3. Campus Area Network (CAN): This network connects various devices within a campus or college

  4. Metropolitan Area Network (MAN): This network connects two offices or companies within a city.

  5. Wide Area Network (WAN): This network connects devices throughout the globe. The internet is a typical example of a WAN.

You can read more on the types of network based on geographical size here

Functions of a router:

  1. They ensure that data (preferably called packets) make it to their intended destination.
  2. They ensure the security of data to some extent.
  3. When a network becomes too big within a Local Area Network (LAN), routers are used to separate such networks.
  4. They connect different networks. This is the very reason why you are able to access the internet. (The internet's network and your service provider's network are different; but thanks to the router for connecting them).
  5. Multiple devices in the home or office can access the internet through the router, (and with a single IP Address). The term associated with this process is referred to a Network Address Translation (NAT)

Please read on types and functions of router here