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Q. Define Name Space in domain name system?
- All names assigned to machines on an internet
- Must be unique; either flat or hierarchical
- Flat name space - name is assigned to an address; no structure
- Hierarchical name space - made of several parts; each succeeding part is more specific; central authority assigns part that defines the nature of the organization and the name.
QUESTION a) The aim of a computer network is to increase efficiency and reduce costs. Explain how networks of computers achieve the above. b) Describe the star topology. Su
Programming Based on Message Passing As we know, the programming model based on message passing uses high level programming languages like C/C++ along with a number of message
What is Error Control ? Error control is both error detection and error correction. It allows the receiver to inform the sender of any frames lost or damaged in transmission an
Explain Radio Wave. Although Radio waves are common and well understood, we are just starting to realize their enormous potential as a networking medium. Radio waves can operat
Packet Switching In the packet switching network type on specific path is used for data transfer. Instead the data is chopped up into small pieces called packed and s
CPU bus It is connect with various components of the system and transformation of data between components. Power Supply It is separate external part of cisco rou
Q. Show the Model for Network Access Security? Model for Network Access Security (1) Gatekeeper functions comprise Password-based login authentications. (2)
Q. Explain Stop--and--Wait automatic repeat request? 1. Numbering frames prevents the retaining off duplicate frames. 2. Numbered acknowledgement are needed in case of delay
What is client/server? Client/server is a type of network wherein one or more computers act as servers. Servers give a centralized repository of resources like printers and fil
restore the scrambled bits to their original order
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