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Q. Explain Simple Mail Transfer Protocol? Electronic Mail -Simple Mail Transfer Protocol (SMTP) is used to support email on the Internet -Addressing consists of two pa
What is piggybacked ACK The protocol will be incorrect. Suppose that 3-bit sequence numbers we are using. Consider following situation: A just send frame 7. B gets frame
What is the difference between a hub and a switch? A hub acts as a multiport repeater. Though, as more and more devices connect to it, it would not be able to efficiently manag
What is Round Trip Time? The duration of time it takes to send a message from one end of a network to the other and back, is known as RTT.
Q. Describe Flow and Error Control Mechanisms? Flow and Error Control Mechanisms - Stop and Wait ARQ - Go-Back ARQ - Selective Repeat ARQ
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Explain the Physical layer The Physical layer of the OSI model sets standards for sending and receiving electrical signals among devices. It explains how digital data (bits) ar
Hardware requirement for an intranet To setup a WAN, one would need to have some type of communication between different sites. National ISDN, Very Small Aperture Terminal (VSA
Whenever it manage a packet, IP software requires to separate the receiver address into a suffix and prefix. Classful internet addresses are self-identifying because the class of t
Advantages of Bridges By forwarding frames only to the segment where host resides a bridge server the following purpose. a.Unwanted traffic as well as network c
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