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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
ACK Received If an ACK is received by the sender. The SR sender marks that packet as having been received by the receiver.
A communications channel is pathways over which information can be communicate. It may be described by a physical wire that connects communicating devices, or by a radio, laser, or
A typical layer 2 switch has a number of features. Identify and explain 5 features that you think are important that you would consider in your evaluation of L2 switches offered b
Q. Categories of Encryption - Decryption ? Categories of Encryption/Decryption - Symmetric-key - encryption key (Ke) and the decryption key (Kd) are the same and secret
Illustrate the Bellman-Ford algorithm The Bellman-Ford algorithm uses only on information from its neighbours and knowledge of its link costs, to update it costs and paths. Dij
Issues with Bridges Connecting Different LANs - Frame format - differences in frame structure, fields used (example Ethernet to Token Ring) - Payload size - size of data en
Question 1: a. Differentiate between the several types of switching networks together with illustration. b. With the help of a diagram explain the two modes of operation un
What are the functions of the typical server program? Ans) It waits for client-initiated requests. Implements many requests at the similar time. Takes care of VIP clients first.
The major problems with multiple networks are as given: A computer attached to a given server can only interact with other computers attached to the similar network.
Repeaters - Operate only in physical layer - Connects two segments of the same LAN - Both segments must be of the same protocol - Only forwards frames; does not filter
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