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Internet Service Provider (ISP) This supper fast network spanning the world from one major metropolitan area to another is provided by a handful of national internet
Describe the main factors of switching delay No. The speed of propagation is 200,000 km/sec or 200 meters/µsec. In 10 µsec signal travels 2 km. Therefore, each switch adds equi
Define Encoder? A device or program that uses predefined algorithms to encode, or compress audio or video data for storage or transmission use. A circuit that is used to change
DLCI stands for Data Link Connection Identifier. It identifies the local PVC.
What is subnet mask? A subnet mask is combined with an IP address in order to recognize two parts: the extended network address and the host address. Such as an IP address, a s
REPEATERS: Repeaters are needed when copper wire communication is takes place. According to the fact that electrical signal goes weaker while travelling over copper lines. A
What is meant by horizontal scaling and vertical scaling? Ans) Horizontal scaling means adding or removing client workstations with only a small performance impact. Vertical
Q. Describe OSI Routing Architecture? End systems (ESs) as well as intermediate systems (ISs) use routing protocols to distribute (-advertise?) some or all of the informati
UPD is a layer 4 Transport protocol. It is connection-less due to it does establish a connection thus the 3 step handshake is not needed, it does NOT execute any flow control or ac
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