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Explain the term- Encryption
Because all of the user traffic, as well as control traffic, is digitized in second generation systems, it is a relatively simple matter to encrypt all of the traffic to prevent eavesdropping. All second generation systems provide this capability, whereas first generation systems send user traffic in the clear, providing no security.
Two hosts are connected by a path made of four links as shown in the figure below. The links are of data rate R = 2 Mbps each. Host A has a file of size F = 1,000,000 bytes to tran
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
Question: (a) The diagram below shows a configuration of Internet routers (A-F) which achieve dynamic routing through the use of a Distance Vector routing algorithm. The metr
List the steps included in creating the checksum. a. Separate the data into sections b. Add the sections together using 1's complement arithmetic c. Take the complement o
What is Stateful Multi-Layer Inspection (SMLI) They are considered as the third generation of firewall technology and usually combine the facilities of the above two. They are
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User Server Interaction Cookies of the world wide web was originally designed as a stateess entity. A client sends a request and the server responds. Their relationship
When you move the NIC cards from one PC to another PC, does the MAC address gets transferred as well? Yes, that's because MAC addresses are hard-wired into the NIC circuitry, n
What is Frequency borrowing In the simplest case, frequencies are taken from adjacent cells by congested cells. The frequencies can also be assigned to cells dynamically.
Determine the command that forces the router to load into ROM mode upon a reload? Ans) boot system rom ia the command that forces the router to load into ROM mode upon a reload
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