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Q. What do you understand by OSI?
Ans: The Open System Interconnection (OSI) reference model illustrates how information from a software application in one computer goes through a network medium to a software application in another computer. The OSI reference model is a basic conceptual model composed of seven layers, each indicate particular network functions. The model was designed by the International Standardization Organization (ISO) in 1984, and it is now considered the main architectural model for inter-computer communications.
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
Connect a Router and Computer with a Console Cable Step 1 : Set up a basic physical connection. Connect the console (rollover) cable to the console port on the router. Link
Determine the use of Icon A small picture or graphic used to represent a location in the inter- or Intranet (for example a flow-chart graphic to take the user to the departm
details of delta routing??
Control Frames for Lost Tokens If station goes down ... token lost Predecessor listens for data frame or token Noticing none, retransmits token Sends whofoll
Q. Show the Application Layer Responsibilities? - Make possible user access to the network - User interfaces as well as support for services such as E-Mail File
Q. Describe about Packet Switching? Packet Switching - Data are transmitted in separate units - Called Packet - Packets are variable length blocks - The max leng
The purpose of internetworking is universal service across heterogeneous networks. To give this service all computers, and routers have to agree to forward information from a sourc
Electronic Cheques Another mechanism for Internet payment is electronic cheques. With electronic cheques, the payer (either an individual consumer or a business) instructs his
Let's consider the network shown in Figure 1 where Snort is deployed. In Figure 1, why is Snort deployed in the DMZ instead of the Internal Network? In Figure 1, say True or
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