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Explain the importance of authentication.
Authentication is the method of verifying a user's credentials before he can log into the network. It is normally performed using a username and password. This gives a secure means of limiting the access from unwanted intruders on the network.
Two neighbouring nodes (A and B) use a Go-Back-N protocol with a 3-bit sequence number and a window size of 4. Acknowledgments are cumulative. Assuming A is transmitting and B is r
Perfect Shuffle Permutation This was advised by Harold Stone (1971). Consider N objects each characterized by n bit number say X n-1, X n-2, X 0 (N is chosen such that N
Extranets can also be utilized to link an intranet to the Internet in order that remote offsite access can be built into a company's intranet through an authorized individual. It c
TP Monitor does mainly two things extremely well. They are Process management and Transaction management? They were originally introduced to run classes of applications that co
Data Transfer After connection is established bidirectional data transfer can take place. The client and server can both send data and acknowledgments. Figure show
The Network Interface Layer The functions of the data link layer and the physical layer of the OSI model have been combined into a single layer called the network in
In distributed data processing, explain two scenarios where vertical partitioning and horizontal partitioning are used. Distributed Data Processing The distributed data pro
i have been given a question:- any 50 numbers are given and to find out the 1)frequency of odd and even numbers 2)frequency of positive and negative numbers
QUESTION a) National regulations require the availability of the following services for all IP to PSTN, PSTN to IP, and IP to IP calls. Name any three types of these features
What is a OSI layer 2 device called a "barter"?
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