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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
Describe what is meant by Asymmetric Multiprocessing (AMP)? Ans) It imposses hierarchy and a division of labour between processors. Only one designated processor, the master, co
Q. What is Transmission Media? - Actually situated below the physical layer - Directly controlled through the physical layer - Data should be converted into electromagnet
Determine the Difficulties arise with database connectivity A number of difficulties arise with database connectivity and the company may have to shell out an enormous amount
State the statements about PPP and SLIP for WAN communications? Ans) a) PPP uses its Network Control Programs (NCPs) component to encapsulate many protocols. b) SLIP
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LOW-Earth Orbiting have more advantageous in Mobile based communication devices like PDAs, Cell phones and automobile communications. The LOW-Earth Orbiting is a satellite of orbit
Control This field defines 6 different control bits or flags. These bits enable flow control connection establishment and termination connection abortion and the mode
Question 1: a. What is xDSL and enumerate the benefit of such a technology? b. Name some of the typical applications of xDSL and the different types and standards of xDSL.
Explain Fiber-Optics cable. A cable with central glass tube covered with protective shield which transmit data using photons is fiber optics cable. These cables transmit data t
Q. Explain the Types of Security Service? Security Services fall into one of the subsequent categories - Confidentiality: Confirms that the info in a system and transm
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