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What is DoS?
A do, or Denial-of-Service attack, is an attempt to stop users from being able to access the internet or any other network services. Such attacks might be come in different forms and are completed by a group of perpetuators. One common process of doing this is to overload the system server so it cannot anymore process legitimate traffic and will be forced to reset.
Bridged Ethernet Raises bandwidth by dividing the network into smaller networks allowing concurrent communications Separates collision domains because traffic is lower
Q. Define Ring Topology? Dedicated point-to-point arrangement to neighbours Signal is conceded from device to device until it reaches destination Every device functio
What is the purpose of cables being shielded and having twisted pairs? The main purpose of this is to stop crosstalk. Crosstalks are electromagnetic interferences or noise that
What do you mean by OSI? The Open System Interconnection (OSI) reference model explains how information from a software application in one computer moves by a network medium to
You are a network consultant working for a large European networVservice provider and have been given the task of reviewing the future network requirements of the company for its f
What is VRC? It is the most common and least costly mechanism for Error Detection. In VRC, a parity bit is added to each data unit so that the total number of 1s becomes even f
What are the two types of Transmission technologies, basis on which computer networks can be categorized? Broadly there are two types of transmission technology: 1. Broadc
Connection Establishment TCP transmits data in full duplex mode. When two TCP is two machines are connected they are able to send segments to each other simultaneously. This
Latest Internet and Intranet technologies Even though the security capabilities of the latest Internet and Intranet technologies have enabled the companies to control the avail
Explain the Physical layer The Physical layer of the OSI model sets standards for sending and receiving electrical signals among devices. It explains how digital data (bits) ar
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