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COMPUTER NETWORKS
1. What do you mean by open system? What is the purpose of OSI model? Explain the layered architecture of OSI model.
2. Define the following terms: a) Analog Signals and Digital Signals b) Composite signals
3. Discuss various LAN protocols and ALOHA protocols.
4. What do you mean by channelization? Classify different types of channelization.
5. Write short note on the following:
a) IPV4 Addressingb) IPV6 Addressing
Recognize the mode reflected by the following prompt 'Router '? Ans) RXBoot
a) Used for sending e-mail. b) Uses port 25.
What is virtual channel? Virtual channel is normally a connection from one source to one destination, although multicast connections are also allowed. The other name for virtua
Q. Show the Error control in TCP? Error control in TCP Detect lost segments, out-of-order segments, corrupted segments and duplicated segments Three tools: chec
Compute the shortest path from t to all network nodes.
Customer Premise Equipment (CPE) are devices physically located at the subscriber's premises. Includes both owned and leased equipment.
Determine about unique least-cost path If there is a unique least-cost path, the two algorithms will yield the similar result because they are both guaranteed to search the lea
Define Retransmission? Retransmission is a process in which the receiver detects the occurrence of an error and asks the sender to resend the message. Resending is repeated unt
Fat tree: It is a customized version of tree network. In this network bandwidth of edge (or connecting wire between nodes) increases in the direction of root. It's a more realisti
What is a Java package and how is it used? A Java package is a naming context for classes and interfaces. A package is used to make a separate name space for groups of classes
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