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in the e-mail system where the e-mail messages are saved and why? e-mail messages are saved in userrsquos private electronic mailbox. a mailbox
what do you understand by the dns? explain the usage of the resource records. domain name system is described belowthe domain name service dns is the
who are the individuals who cause these security problems?many unauthorized people who cause network security problems for obtaining information
there are various benefits related with providing the security. they are given below i confidentiality privacyii integrity iii
what do you understand by the terms security network security and information security? how network security and information security are
what is the function of key secrecy and algorithm secrecy in security? algorithm secrecy is explained as followslsquoalgorithm secrecyrsquo is a
with explain the encryption model the help of diagram.symmetric cipher model uses the secret-key or a single-key for encryptiondecryption purposes.
write down short notes on the architecture of www which is world wide web.www which means the world wide web or the web is a repository of
write down the short notes on vtr. communication between different types of the equipment and software is made possible by making use of the
describe the important features of application layer.the features of the application layer are as follows.1. efficient user interface design is
explain how can we achieved privacy in an e-mail system. the full form of pem is privacy enhanced mailpem is the internet
what is authenticationconfirmation? how it is different from the authorizationapproval? explain in brief different authentication
basic functions of e-mail system are given as followscomposition refers to the procedure of creating messages and the answers. though any text editor
electronic mailelectronic mail which is famous as e-mail as it is known to its number of users has been around for more than two decades. before 1990
medium earth orbiting satellite is an orbit which is located just above the few hundred miles to a few thousands above the earth surface. it is of
low-earth orbiting have more advantageous in mobile based communication devices like pdas cell phones and automobile communications. the low-earth
geo stationary satellitethe satellite which is known as earth-orbiting satellite is called geo stationary satellite. the geo stationary satellite is
describe circuit switching packet switching and virtual circuit packet switching. explain their suitability for different applications such as
circuit switching is a term used in communication where the communicating nodes will be connected through a dedicated channel before any
what is multiplexing and demultiplexing? explain.describe time division frequency division and wavelength division multiplexing.what is adsl? how
skype is a web-based service which offers cheap and free phone calls. explain step by step in terms of networking technology what really happens from
name various types of guided and unguided transmission media. if you are connecting your office computers through a local area network which
the network layer is used to route physical data to the destination point it decides the actual path from where data travels to destination point.
the transport layer implements reliable data transport services. the various functions of transport layer are listed belowthe transport layer is
in distributed data processing explain two scenarios where vertical partitioning and horizontal partitioning are used.distributed data processingthe