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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 parts: a local part and a domain name, separated by an @ sign
-Local part defines the user mailbox
-Domain name defines the mail exchanger for the organization
Addressing Complicated addressing scheme because there may be intermediate stations (APs), identified by flags
Bridge A bridge operation sin both physical and data link layer of OSI model. At physical layer it works like repeater as it regenerates the signal and performs int
Enumerate about the Star networks Comments: 1 - If one connection/station fails the other devices aren't affected 2 - If central hub breaks down, the whole network fail
Computer Networking 1. Explain different network structures in use. 2. Elaborate the architecture and usage of ISDN. 3. Discuss the concept of framing in Data Link Layer
Problem 1. Explain the term Switching. Describe the following Switching Mechanisms a) Circuit Switching b) Packet Switching c) Message Switching Defining Switching
Parallel Construct The syntax of the parallel construct is as follows: #pragma omp parallel [set of clauses] where clause is one of the following: structured-block if(sca
Q. Show the Network Layer Responsibilities? - Source-to-destination delivery it is possibly across multiple networks - Logical addressing - Routing
Retransmission of packets The disadvantage of thronging away a correctly received packet is that the subsequent retransmission of the packet might be lost or garbled and
What are different ways of securing a computer network? There are lots of ways to do this. Install reliable and updated anti-virus program on all computers. Make sure firewalls
In this question, you will compare delays in packet switching (i.e. in IP networks), in circuit switching (i.e. in PSTN telephony) and in virtual circuit packet switching (i.e. in
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