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Q. What is Multimode Graded-Index Fiber?
- Ever since the core density decreases with distance from the centre the light beams refract into a curve
- Eliminates problem with a few of the signals penetrating the cladding and being lost
- As well signals intersect at regular intervals
COMPUTER NETWORKS 1. What do you mean by open system? What is the purpose of OSI model? Explain the layered architecture of OSI model. 2. Define the following terms: a) Ana
Simple Mail Transfer Protocoland Secure Sockets Layer SMTP: Simple Mail Transfer Protocol is a server-to-server protocol for delivering electronic mail. SSL: Secure Sockets
Explain Fiber-Optics cable. A cable with central glass tube covered with protective shield which transmit data using photons is fiber optics cable. These cables transmit data t
The address recorded by a router should be its outgoing interface. That is, if a router forwards a datagram that has the record route option enabled, and if the datagram arrives at
Threats to information can include Deletion of a file or files. Corruption, caused either by hardware problems or by a bug in the software. Theft of company data
Data Transfer After connection is established bidirectional data transfer can take place. The client and server can both send data and acknowledgments. Figure show
IEEE 802.3 frame format
data network design with live examples
What is the method of redistribution?
Q. Explain Silly window syndrome? When either sending application sends data gradually or receiving application consumes data slowly - Illustration when 1 byte sent 40 bytes
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