Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Let's try to understand what reliability challenges for computer networks are.This can be defined as packet loss, bandwidth saturation, and latency, but this type of information would be really unhelpful to those IT companies whose networks are small, and failures not well under- stood & might be limited to rebooting.Five reliability challengesThe reliability challenges for a computer network are as follows −Host IdentificationThe Host ID is the portion of an IP address that uniquely identifies a host on a given TCP/IP network.The smaller networks can be easily configured with the help of manual addressing, but it becomes a serious problem ... Read More
Let us understand the concept of Viber and Whatsapp messenger.ViberIt allows users to send multiple images and videos at a time. One can also block another user. It also has a cross platform typing indicator. One can send longer video messages which will be up to 3 minutes long.Selecting the option of receiving the video calls with video, the app will automatically open the front camera for the conversation.User-Experience for the Viber application is as follows −If we sum up the negative and positive experiences, more than average users are happy with this application.According to them, it is so simple ... Read More
Forensics is a method of science to criminal examinations and can incorporate a wide exhibit of sciences from material science to clairvoyants. A measurable report basically and concisely outlines the substantive proof in a criminal case.Criminological report composing may demonstrate troublesome and overwhelming in light of the fact that it more often than not requests examinations of specialized information, introduced in a comprehensible, simple to-pursue position. By and by, a measurable report basically pursues similar essential principles and conventions expected of any report.Tools for Generation of ReportThe tools used to generate report are as follows −Raw formatRaw format method is ... Read More
Cybercrime is any type of illegal activity that takes place via digital means. Data theft is, of course, one of the most common types of cybercrime, but cybercrime also includes a wide range of malicious activity as well, such as cyberbullying or planting worms or viruses.Cybercrimes are divided into two different categories as follows −Those that cause intentional damageThose that can cause unintentional damage.A cybercrime is a criminal act in which someone targets a computer or a network of devices in order to gain illegal rights, steal data from them, frauds etc.This type of crime is carried out using technology ... Read More
Let us understand the concepts of Wi-Fi and Zigbee.Wi-FiIt is a wireless networking protocol that allows devices to communicate without internet cords. It's technically an industry term that represents a type of wireless local area network (LAN) protocol based on the 802.11IEEE network standard.Wi-Fi is the most popular means of communicating data wireless, within a fixed location.We can find Wi-Fi in the following:Schools, Homes and CollegesCorporate places and Private/Public FirmsRailway/Metro stationsSupermarkets where customers can pay onlineNear restaurants, coffee shops, dine placesThe ZigBee protocolIt is used in the IEEE 802.15 standards and adds the network security as well as framework protocol. ... Read More
In order to understand cluster computing, we have to know what a cluster is.Cluster ComputingA cluster is a collection of computers or groups of computers and to utilize performance of these groups of computers when we start processing problems with these sets of computers is called cluster computing.Cluster computing is a part of parallel computing. In cluster computing we increase processing of our system by connecting computers according to our needs.By the help of Cluster computing we can easily solve complex problems with high speed. In cluster computing utilization of all resources is better than others.Cluster computing design contrasts depending ... Read More
Let us understand the concepts of FDMA and CDMA before learning the differences between them.FDMA (frequency division multiple access)It is the division of the frequency band allocated for wireless cellular telephone communication into 30 channels, each of which can carry a voice conversation or, with digital service, carry digital data.FDMA is a basic technology in the Analog Advanced Mobile Phone Service (AMPS). In FDMA synchronization bits are not needed for continuous transmission. FDMA needs Tight filtering for minimizing interference. When the channel is not in use then FDMA will be in idle state.Code-division multiple access (CDMA)It is an example of ... Read More
Mobile security, or cell phone security, has turned out to be progressively imperative in portable computing. Of specific concern is the security of individual and business data now put away on cell phones.ThreatsA cell phone client is presented to different dangers when they utilize their phone. The dangers can disturb the operation of the cell phone, and transmit or change client data. So applications must ensure security and honesty of the data they handle.In expansion, since some applications could themselves be malware, their usefulness and exercises ought to be constrained.For instance, limiting the application from getting to area data by ... Read More
A real-time system means the system is subjected to real-time that means the response should be guaranteed within a specified timing constraint or system should meet the specified deadline.For example − Flight control system, real-time monitors etc.Features of Real-time SystemThe features of real-time system are as follows −Reliability − The system can operate for a long time without any interfere of the humanManageability − In a real-time system the cost of implementation is to be reduced.Performance − The system should be designed for the purpose of working easier and the workload should be reduced.Predictability − Within the given time, the actions ... Read More
Phishing is a type of social engineering attack which is often used to steal user data, including login credentials and credit card numbers and sensitive information without their knowledge that it is being extracted from them.The goal of a phishing attempt is to trick the recipient into taking the attacker’s desired action, such as providing login credentials or other sensitive information.Phishing TechniquesThere are different types of phishing techniques which are as follows −Deceptive PhishingA phisher sends bulk email with a message. Users are influenced to click on a link. These emails are broadcast to a wide group of recipients with ... Read More