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Firewall
The NAT router allows receiving of number of a data streams. If it receives a transmission in the form of acknowledgement or data streams or error responses from an external server due to a particular request from an internal user, then it will receive the data, translate the address to local IP address and forward it to the requesting user. By preventing all incoming requests or connections except those expected or permitted, the router acts as a "firewall".
Consider the following network example. Suppose that the distance vector (DV) routing algorithm is used to compute the distance between nodes. (a) Show the procedure of nod
can we solve the problem using bounded buffer space if the propagation delay is arbitrarily large ?
What is WDM? WDM is conceptually the similar as FDM, except that the multiplexing and demultiplexing includes light signals transmitted by fiber optics channel.
Transmission Control Protocol (TCP) TCP makes the Internet reliable. TCP solves several problems which can occur in a packet switching system. TCP provide the given facilities:
What is difference among ARP and RARP? The address resolution protocol (ARP) is used to associate the 32 bit IP address with the 48 bit physical address, used by a host or a ro
Question : (a) Describe, with the aid of a diagram, a hybrid topology of a network of your choice. (b) Briefly explain the similarity and differences between a switch and
Determine in detail about the world wide web The latest has been Web commerce that is currently making big news, and many businesses are setting up electronic shops on the Inte
Q. Explain the Types of Security Service? Security Services fall into one of the subsequent categories - Confidentiality: Confirms that the info in a system and transm
Describe autonomous system?
1. A systematic study of failures will help in identifying areas that may cause : i. Loss of adjacent parts/ equipment/ whole equipment. ii. Loss of production and rev
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