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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 through concentrated bursts of laser beams which are carried by bundles of hair thin glass fibers. They have benefits over electronic cables in transmission speed and volume. This technology has revolutionized telecommunication applications which used electronic cables. Fiber optics cables as free from electro-magnetic interference as well as wire tapping.
Process Management int pvm_mytid( void ) Returns the tid of the calling process. tid values less than zero indicate an fault. int pvm_exit( void ) T
No Retransmission This protocols will not through the correctly received packets but buffers than and send acknowledgment for those packets. Thus retransmission of th
There are two dominant forms of building distributed systems: client-server systems, i.e. systems in which one machine acts as a server and act as clients; and peer-to-peer systems
Question : (a) Several techniques are now available for users to connect to the Internet. (i) A modem is commonly used to dial up to the Internet. Why is a modem needed fo
Q. What do you understand by Protocol? Ans: In the context of data networking, a protocol is a formal set of rules and conventions that governs how computers interchange infor
a) A host is sending a HTTP request to a HTTP server. In the table below, propose a correct set of source and destination port numbers for segments sent from host to server and fr
Tree topology Comments 1 - This features star nodes on a bus network 2 - All the disadvantages and advantages of both types of networks described above apply to this s
Transmission robustness and security Unless properly designed, a wireless LAN might be interference prone and simply eavesdropped. The design of a wireless LAN must allow relia
features
How two adjacent layers communicate in a layered network? (or What do you mean by Service Access Point?) In layered network, each layer has lots of entities and entities of lay
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