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Connectionless Services

Arushi
Answered on 13th Jul, 2018

A Connectionless service is a data communication between two nodes where the sender sends data without ensuring whether the receiver is available to receive the data. Here, each data packet has the destination address and is routed independently irrespective of the other packets. Thus the data packets may follow different ... Read More

Connection-Oriented Services

Jai Janardhan
Answered on 13th Jul, 2018

A connection-oriented service is one that establishes a dedicated connection between the communicating entities before data communication commences. It is modeled after the telephone system. To use a connection-oriented service, the user first establishes a connection, uses it and then releases it. In connection-oriented services, the data streams/packets are delivered ... Read More

Design Issues for the Layers of Computer Networks

Rishi Raj
Answered on 13th Jul, 2018

A number of design issues exist for the layer to layer approach of computer networks. Some of the main design issues are as follows:ReliabilityNetwork channels and components may be unreliable, resulting in loss of bits while data transfer. So, an important design issue is to make sure that the information ... Read More

Protocol and Protocol Hierarchies

Jai Janardhan
Answered on 13th Jul, 2018

A protocol is a set of rules and conventions agreed upon and followed by the communicating entities for data communication. A protocol outlines the what, how and when of a communication.The three aspects of a protocol are:Syntax: It defines the format of data that is to be sent or received.Semantics: It ... Read More

Network Software

Vikyath Ram
Answered on 13th Jul, 2018

Network software encompasses a broad range of software used for design, implementation, and operation and monitoring of computer networks. Traditional networks were hardware based with software embedded. With the advent of Software – Defined Networking (SDN), software is separated from the hardware thus making it more adaptable to the ever-changing ... Read More

Internetworking

Paul Richard
Answered on 13th Jul, 2018

Internetworking is the technique of interconnecting myriad networks together, using connecting devices like routers and gateways. The different networks are owned by different entities that widely vary in terms of network technologies. These networks may be public, private, government, business or academic in nature, whose sizes may vary from small ... Read More

Home Networks

Arushi
Answered on 13th Jul, 2018

A home network is a small sized LAN that is used to connected devices within the small area of a home. It facilitates sharing of files, peripheral devices, programs and Internet access among the computers in a home. Home networks may be wired, i.e. connections within devices are done with ... Read More

Wireless Networks

Fendadis John
Answered on 13th Jul, 2018

Computer networks that are not connected by cables are called wireless networks. They generally use radio waves for communication between the network nodes. They allow devices to be connected to the network while roaming around within the network coverage.Types of Wireless NetworksWireless LANs: Connects two or more network devices using ... Read More

Bootstrap 4 .card-link class

Ricky Barnes
Answered on 13th Jul, 2018

Use the card-link class to add a hover effect and blue color to any link in a card.The following is a code snippet showing three links with hover effect using the card-link class in Bootstrap 4:<a href="#" class="card-link">   Website Development </a> <a href="#" class="card-link">   App Development (iOS) </a> ... Read More

bg-light class for Bootstrap 4 cards

Ricky Barnes
Answered on 13th Jul, 2018

To set a light grey background for the Bootstrap 4 cards, use the bg-light class.Use “card bg-light” like any other class in Bootstrap:<div class="card bg-light text-dark">   <div class="card-body">Image Editor</div> </div>The above gives a light grey background to the Bootstrap card.Let us see an example of the card-light class:Live Demo<!DOCTYPE ... Read More

Bootstrap 4 .float-right class

Ricky Barnes
Answered on 13th Jul, 2018

Use the float-right class in Bootstrap to place an element on the right.The default text alignment is on the left and use the float-right class to align text on the right as in the following code snippet:<div class="float-right">   This text is on the right. </div>It can be used on ... Read More

Align gathered items from the start in Bootstrap 4

Ricky Barnes
Answered on 13th Jul, 2018

To align gathered items from the start, use the .align-content-start class in Bootstrap 4.Set the items as shown below:<div class="d-flex flex-wrap align-content-start bg-info" style="height:250px">   <div class="p-2 border">Work 1</div>   <div class="p-2 border">Work 2</div>   <div class="p-2 border">Work 3</div>   <div class="p-2 border">Work 4</div>   <div class="p-2 border">Work 5</div>   ... Read More

Bootstrap 4 Button .btn-outline-light class

Ricky Barnes
Answered on 13th Jul, 2018

Use the btn-outline-light class in Bootsrap 4 to set light grey outlined button.To include it on the web page, set it as a class in the <button> element as shown in the following code snippet:<button type="button" class="btn btn-outline-light">Let us see an example to implement the btn-outline-light class:Live Demo<!DOCTYPE html> <html ... Read More

Set blue outlined Bootstrap 4 Button

Ricky Barnes
Answered on 13th Jul, 2018

To set blue outlined Bootstrap 4 button, use the .btn-outline-primary class.Add a blue outline to a button:<button type="button" class="btn btn-outline-primary">   Blue outline </button>You can try to run the following code to implement the btn-outline-primary class in Bootstrap:Live Demo<!DOCTYPE html> <html lang="en">   <head>     <title>Bootstrap Example</title>     ... Read More

Bootstrap 4 .card-header class

Ricky Barnes
Answered on 13th Jul, 2018

Use the card-header class to create header of a Bootstrap card:<div class="card-header">   This is the header </div>After including the card header, you can add the card body and footer as shown in the following code snippet:<div class="card-body">   This is demo content. </div> <div class="card-footer">   This is the ... Read More

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