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Q. What is Two Types of Errors?
Single-Bit Errors: Merely one bit in the data unit has changed
Burst Errors of length 'n': 2 or more bits in the data unit have changed (=n' is the distance between the FIRST and LAST errors in the data block)
Single-Bit Errors
Burst Errors
The application layer This layer enables users to access the network by providing a few services to the user some of the protocols and services available to the user ar
Connection Establishment TCP transmits data in full duplex mode. When two TCP is two machines are connected they are able to send segments to each other simultaneously. This
Virtual channel is normally a link from one source to one destination, although multicast connections are also allowed. The other name for virtual channel is virtual circuit.
Ask questiXYZ, is Pakistani company which is selling toys in all the major cities of Pakistan having 50 outlets in different cities. The company has the revenue of 10000000/- PKR p
Definition of CSMA/CD CSMA/CD (Carrier Sense Multiple Access with Collision Detection) is used to minimize collisions, coordinate traffic and maximize number of frames deliver
Question: a) Briefly describe how the file system is organized in Unix. b) What is the importance of the "touch" command. Give one of its disadvantage. c) Name three d
What are advantages of having e-commerce over extranets
You are requested to design a secure home or small scale network (Fig. 1) to satisfy the key concepts underlying computer and network security: confidentiality, integrity, availabi
explain the three classification of operation research
Q. Show the Refraction and Reflection in Fiber-optic cable ? - Refraction often takes place when light bends as it passes from one medium to another less dense medium - Wh
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