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What are gateways?
Gateways give connectivity among two or more network segments. It is usually a computer that runs the gateway software and gives translation services. This translation is a key in allowing dissimilar systems to communicate on the network.
Q. Define Unicast - Multicast and Reserved Addresses? Unicast, Multicast, and Reserved Addresses Unicast address - identifies a specific device Multicast address
What do you meant by "triple X" in Networks? The function of PAD (Packet Assembler Disassembler) is defined in a document known as X.3. The standard protocol has been explaine
Q. Why it is essential to have layering in a network? Ans: A computer network is a very complicated system. It becomes very hard to implement as a single entity. The layered ap
Q. Error Detection-Redundancy? In its place of repeating the entire data stream a shorter group of bits may be appended to the end of each unit. Called as -redundancy?
What are Triggers and Rules? Triggers are special user defined actions generally in the form of stored processes that are automatically invoked by the server based on data rel
What are the different types of network topologies
802.11 DSSS a) Direct sequence spread spectrum in a 2.4 GHz band b) Each bit is replaced by a sequence of bits called a chip code, implemented at the physical layer c) Se
Question 1 Explain FDM and TDM with example Question 2 Define B-ISDN and explain its services Question 3 What is symmetric key cryptography? Describe one symmetric
Firewalls Firewalls emerged as a new technology in 1990s but its idea was present near two decades back. Historical context of "Firewall" is quite literal. It was in use to des
There is a many-to-one relationship among clients and server. Clients always start the dialog by requesting a service. Servers are passively awaiting for requests from clients.
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