FRANK TECHNOLOGY

  A Denial of service (DoS) attack is usually aimed at a web server. Such an attack forces the server/computer to restart. An attack in which the attacker's goal is to shut down the target server rather than stealing data is called DoS attacks. This prevents genuine users of a services/website on the web server from using that service. This attack can be done using a single computer called Denial of service (DoS) attack or using more than one computer called Distributed Denial of service (DDoS) attack. We have learned that when we type a website address in the browser and press the enter key, the browser requests for that web page from the server. DoS attacks sends large number of such requests to the server until it collapses under the load and stops functioning. A DoS attack using a computer on a network slows down the network by flooding a server with large number of requests. A DDoS attack uses multiple computers in the network that it has previously infected. These infected. T

 A computer network may span any account of geographical area. It can be on a table, in a room, in a building, in a city, in a country , across continents or around the world. On the basis of the area covered, computer networks are classified as: PAN - Personal Area Network  LAN - Local Area Network MAN - Metropolitan Area Network WAN - Wide Area Network PERSONAL AREA NETWORK PAN is a network of communicating devices (computer, mobile, tablet, printer, etc.) in the proximity of an individual. It can cover an area of a radius with few meters. When we transfer songs from one cell phone to another or from a PC to an MP3 player, a PAN is set between the two. PAN can be set up using guided media (USB) or unguided media (bluetooth, infrared) LOCAL AREA NETWORK LAN is a network of computing and communicating devices in a room, building, or campus. It can cover an area of radius with a few meters to few kilometers. A networked office building can contain a few small LANs (like some schools hav

  Following are the major guidelines for using computers over Internet. Most of the computer viruses are spread through e-mail attachments. Do not open any e-mail attachment that you are not sure about the sender. Download files only from reputed sources. Do not use/copy software that you cannot confirm the origin. Avoid clicking on pop-up advertisements. close them instead Use USB drives with caution. Plugging someone else's USB storage into your computer or plugging your own USB storage into a computer at an Internet cafe/unsafe computer, can spread an infection through USB  storage.  Make sure the firewall is set and turned on. Use strong passwords. Change password at regular intervals. Update the virus definitions of your antivirus program periodically online. Keep a regular backup of your important files on DVD, another hard disk, etc. Be careful about giving personal data online. If you see e-mail message requests for personal data such as telephone number, address, credit nu

This is the list of 5 best laptops in India. This list can help you to choose perfect laptop. 1. acer Aspire 7  Display size : 15.60- inch Display resolution 1920x1080 Processor - Core i5 Touch screen - No RAM - 16 GB Operating system - windows 10 Hard disk - No SSD - 512 GB Graphics - Nvidia Ge Force GT x 1660Ti Weight - 2.15 kg Price in India - Rs 56,490  2. Asus Vivo book Gaming Display - 15.6 inches  Processor - Intel core i5 8th Gen 8300 H Performance - NVIDIA Ge  Force GTX 1650  RAM - 8 GB Weight - 2.14 kg Operating system - windows 10 Home Basic Touch screen - No Price in India - Rs 52,990 3. HP 15 Display size - 15.60 inch Display resolution - 1366 x 768 pixels Processor - APU Quad core RAM - 4 GB Operating system - windows 10  Hard disk - No SSD - 128 GB Weight - 2.90 kg Price in India - Rs 60,391 4. MSI Modern 14 Display size - 14.00 inch Display resolution - 1920 x 1080 pixels Processor - core i3 RAM - 8 GB  Operating system - Windows 10 SSD - 256 GB Graphics - intel HD  Wei