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Question:
a) Explain what the following intermediate systems are and how they work?
i. Repeater ii. Bridge
b) A service is formally specified by a set of primitives (operations) available to a user or other entity to access the service.
i. Examine the differences between connection-oriented service and connectionless-oriented service.
ii. How is a reliable service determined?
Question (a) A CRC is constructed to generate a 4-bit FCS for an 11-bit message. The divisor polynomial is X 4 + X 3 + 1 (i) Encode the data bit sequence 00111011001 using po
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Packet Filtering Firewall Packet filtering is a network security mechanism that works by controlling what data can flow in and out of the network. The basic device that interco
Question: a) Differentiate between ‘Gross Settlement' and ‘Multilateral Net Settlement' providing suitable examples where necessary to support your answer. b) Differentia
Electronic Mail: Electronic 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, it was mainly used in
what is guided media or unguided media
Dynamic Packet Filtering Dynamic Packet Filtering is also referred to as stateful firewalling. Here the firewall maintains the status of connections as well. When a connection
implementing password policy in organisation
An overall rise in mobility, coupled with the falling cost of Wi-Fi equipment, has led to a proliferation of Wi-Fi hot spots in public areas to provide Internet accessibility. Thus
The best results obtained in the PIIT classes have been when the technique has been used in tutorial groups, rather than have students submit individual reflections on particular c
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