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Virtual Private Network (VPN) adds the features of both public and private networks. It is fixed to single organization and needs public network for connectivity.
These connections are sometimes known tunnels and connect sites. Every site sees tunnel as point-to-point link. There is no access for other clients of public networks.
GUARANTEEING ABSOLUTE PRIVACY:
In addition to restricting data packets, VPN machines use encryption to sure absolute privacy. Even if an outside does manage to retain a copy of the data packet the outside will be unable to interpret the message.
PROBLEM WITH BROADCASTING: There are some issues with the broadcast. For each broadcast frame on the network every computer uses computational sources and places the data into
How many IP addresses can come in IPV4?
Delivering message through LAN: We have to devise method for delivering message through LAN phase to single, specific destination device. Sending device uses a hardware addres
different components of computer network security
Q. Why congestion occurs? Congestion Emerge if the load on the network is greater than the capacity of the network - Load that is the number of packets sent to the net
Network Protocols In computer networks communication occurs between the entities in different systems an entity is anything that is capable of sending or receiving
Hub A hub is a small box that connects individual devices on network so that these devices can communicate with each other. Hub is an inexpensive device. It is comm
The connection-oriented service process for networking is same to the manner in which telephones are used. This is shown as follows: A caller dials a number of the receiver. The
However what if you don't know about the IP address of the computer you wished to connect to? What if you have to access a web server referred to as www.abc.com? How does your web
Question 1 Describe the following a. Internet Technologies b. Networks c. Media Access Control Question 2 Explain the various classes of networks Question 3 Describe various m
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