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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
Q. Data Link Layer Responsibilities? - Defines frames into manageable data units - Physical addressing - Flow control - Error control - Access control Nod
LRC - Performance Detects every burst errors up to length n (number of columns) If two bits in one data unit are damaged as well as two bits in exactly same positions
Router A router is used to route (transfer) data among two or more same networks. It verifies the next network point to which a data packet should be forwarded. The router is l
Q. Show the Network layer in an internetwork? - Receives data from Transport layer - Responsible for creating Packet - Each packet contains - Universal Address of Sour
Coaxial Applications & Performance - Analog plus digital phone networks - Cable TV networks - Traditional Ethernet LANs - Power line and Home Networks-phone line -
CYCLE OF BRIDGES: A bridges network can join several segments. One bridge is useded to connect every segment to the rest of the bridge network. This is given in the figure be
What is a dedicated server? A network server designated to provide one particular service is known as dedicated server. For example if a computer is assigned for database servi
Path Overhead It is part of SPE and contain followings information: Performance monitor of synchronous transport , signal , path , track ,parity ,checks, and path status.
Create and simulate a network similar to the one shown here, using the NetML system. The network is a little more complex, as depicted at the right. There is an extra node
Types of Redundancy Checks Parity Check Simple Parity Check Two Dimensional Parity Check / Longitudinal Redundancy Check (LRC) CRC (Cyclic Redundancy Check)
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