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Explain IBM's SNA Architecture
SNA is a computer networking architecture that was formed by IBM to give a network structure for IBM mainframe, midrange, and personal computer systems. SNA explains a set of proprietary communication protocols and message formats for the exchange and management of data on IBM host networks.
What is LRC? In LRC, a block of bits is separated into rows and a redundant row of bits is added to the whole block. It can detect burst errors. If two bits in one data unit ar
Q. Electrical Characteristics of 9-Pin RS232 Connector? Electrical Characteristics - Single-ended One wire per signal and voltage levels are with respect to s
10Base5 - Thicknet A rigid coaxial cable (RG-8) approx 0.4 in' thick used in the original Ethernet networks Bus topology LAN utilize base signalling with a maximum se
differntiate between error control and flow control in data link layer
The IP class procedure does not split the 32-bit address space into same size class and the classes do not have the same value of networks. A prefix of n bits gives 2n unique ne
Network Laye The network layer provides communication between the multiple networks. Whereas the data link layer provides the communication between two systems on the s
Define the concept of Unicast IP address?
FDDI -(Fiber Distributed Data Interface) FDDI Basics: FDDI (Fiber Distributed Data Interface) came about because system managers became concerned with network reliability i
Directly linked network have the lowest administrative distance of 0. They are considered the most reliable.
ACK Received If an ACK is received by the sender. The SR sender marks that packet as having been received by the receiver.
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