The process of gaining unauthorized access to any data of any kind of system is commonly known as hacking. Identifying loophole in system/network is also called as hacking.Types of HackingThe types of hacking are as follows −White hat − They are commonly known as ethical hackers and are pen-testers (find weakness in system). They get paid for finding loopholes in the system by companies who own the system. It is totally legal.Black hat: They are commonly known as crackers and they find weakness and loophole in system for their personal gains. They steal data, invade privacy and steal money from ... Read More

Let us understand the concepts of Google Voice and Google Duo before learning the differences between them.Google VoiceIt is used to make calls to all Google users all over the world and was launched in the year 2009. It provided a lot of features along with voice calls like free messaging, blocking unwanted numbers, showing call history, etc. It is an internet-based telephony service.FeaturesThe features of Google Voice are as follows −Call forwardingVoice mail serviceText messageInternational call terminationFree of costCall historyCall screeningBlocking of unwanted callsAdvantagesThe advantages of Google Voice are as follows −Simple to useInternet only serviceCall forwardingCalls on smartphonesGood ... Read More

Let us understand the concepts of Google Hangouts and Google Duo before learning the differences between them.Google HangoutsGoogle Hangouts is a communications platform launched in the year 2013 by Google which helps the users to start and join in different communication channels like instant messaging, voice calls, and video calls.FeaturesThe features of Google Hangouts are as follows −Instant MessagingVoice CallsHD Video CallsHD Group ConferencingAuto Screen FocusIntelligent MutingCompatibility with multiple computing devicesBuilt-in screen sharingHangout on AirIntegration with other Google applicationsCustom Control for AdminsAdvantagesThe advantages of Google Hangouts are as follows −There are no charges to be paid. It’s completely free.Good for ... Read More

Let us understand the concepts of Google Voice and Dingtone before learning the differences between them.Google VoiceIt is used to make calls to all Google users all over the world and was launched in the year 2009. It provided a lot of features along with voice calls like free messaging, blocking unwanted numbers, showing call history, etc. It is an internet-based telephony service.FeaturesThe features of Google Voice are as follows −Call forwardingVoice mail serviceText messageInternational call terminationFree of costCall historyCall screeningBlocking of unwanted callsAdvantagesThe advantages of Google Voice are as follows −Simple to useInternet only serviceCall forwardingCalls on smartphonesGood connectivityDisadvantagesThe ... Read More

Let us understand the concepts of Google Voice and JustCall before learning the differences between them.JustCallIt is a cloud-based, multi-device phone system which is designed for sales and support teams. It offers a multiple-location call center communication system even though yours is a small business which is a centralized operation running from one location.That means it allows creating a call center for your sales teams and a contacting center for your support teams. It also comes with a number of workflow automation features around SMS and Phone calls.FeaturesThe features of JustCall are as follows −Number availability in over 60+ countriesAuto-diallerBulk ... Read More

Let us understand the concepts of Google Voice and Skype before learning the differences between them.SkypeSkype is a telecommunication application that provides the feature of video and voice calling to the user with the help of the internet via computer, laptop, tablet, smart phones etc.Skype was launched in the year 2003 by Niklas Zennström, from Denmark. However, it gained popularity from 2010. In the covid-19 situation, skype acquired a huge market. In March 2020, Skype was used by 100 million people on a monthly basis and by 40 million people on a daily basis, which was a 70% increase in ... Read More

Let us understand the concepts of Apache and Nginx before learning the differences between them.ApacheApache server is a general-purpose and very frequently used web server used in the web and internet to host websites and web content. Apache server is secure, fast and reliable.The Apache web server is provided by the Apache Software Foundation and is open-source software that can be used free of charge. Apache is running on the world's majority servers and is a fast, stable, and efficient web server.The Apache web server is the one where the server software receives the request from the client to access ... Read More

Let us understand the concepts of Google Voice and Google Hangouts before learning the differences between them.Google VoiceIt is used to make calls to all Google users all over the world and was launched in the year 2009. It provided a lot of features along with voice calls like free messaging, blocking unwanted numbers, showing call history, etc. It is an internet-based telephony service.FeaturesThe features of Google Voice are as follows −Call forwardingVoice mail serviceText messageInternational call terminationFree of costCall historyCall screeningBlocking of unwanted callsAdvantagesThe advantages of Google Voice are as follows −Simple to useInternet only serviceCall forwardingCalls on smartphonesGood ... Read More

Data communication is nothing but the exchange of data between any two devices via transmission media.ComponentsThere are five main components of data communication and they are explained below −MessageThis is the most valuable asset of a system for data communication. The message actually refers to data that is to be shared or a piece of information. A message is in any form, like a text file, an audio file, a video file, and so on.SenderSomeone who can play the role of a source must be there to pass messages from source to destination. The sender plays a part of the ... Read More

IoT communication protocols are modes of communication which ensure the security of the data that is being exchanged between IoT connected devices.IoT devices can be connected through an IP network or a non-IP network. Even though there is a difference in their memory, range, and power use.But connections via IP networks are complex and also take high memory and power from the IoT devices even though the range is not a problem. Non-IP networks like Bluetooth which require less memory and power but have a range limitation.Communication ProtocolsThe most common use communication protocols of IoT are as follows −BluetoothWi-FiZigbeeMQTTOPC- UACellularZ-waveLoRaWANBenefitsThe ... Read More