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Which layers are network support layers?
a. Physical Layer
b. Data link Layer and
c. Network Layers
User Datagram Protocol - UDP is a connectionless oriented transport protocol for use when the upper layers give error-recovery and reliability. UDP does not sequence data or re-ass
Q. Define RS232 Interface? - Indicates the interface between DTE and DCE: V.28 mechanical as well as electrical characteristics V.24: functional as well as procedur
Firewalls After several security related internet newsgroups started overflowing with posts it becomes clear something hand to done to help secure networks. The first
stop and wait arq
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
Q. Show the process of Mail Delivery? Mail Delivery -Consists of three stages -First stage - email goes from user agent to local server, where it is stored until it ma
Dual Homed Host Architecture This setup consists of a host machine with two or more IP addresses for each of its physical port. One port is connected to intranet and other to the
What are the benefits of Intranet applications The benefits of successful Intranet applications can be enumerated as follows: Cheaper: Use of client browsers with one
Question : (a) List down and explain the different signal propagation behaviours that radio waves exhibit. (b) Explain the term Delay Spread with reference to signal propaga
A communication protocol is an agreement which specifies a common language two computers use to exchange messages. For instance, a protocol denotes the exact format and meaning of
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