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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.
Reliable data transfer over a perfectly reliable channel rdt 1.0 First all consider the simplest care in which the underlying channel perfectly reliable. The protoco
Describe in proper details about OSI Model ? Explain the functions and protocols and services of each layer ?
Root DNS Servers A root server is a serve which consists of the entire hierarchy of servers. A root server usually does not store any information about domains but
Q. Describe the Class C Addresses? The initial three octets are the network number as well as the last octet is the host number 2096896 blocks used for assignment to o
MAC (media access control) and LLC (logical link control) are both layer 2 protocols.
What is horizontal and vertical parity A single error can cause both horizontal and vertical parity checks to be wrong. Two errors can also be easily detected. If they are not
What is Protocol Data Unit? The data unit in the LLC level is known as the protocol data unit (PDU). The PDU having of four fields a destination service access point (DSAP), a
Q. Flow control in TCP? The amount of data a source is able to send before receiving an ACK from the destination Whether to send 1 byte of data as well as wait for ACK
Hardware difficulty of Benz Network: - Benz network uses smaller switches and it gives excellent connectivity. To find hardware difficulty of Benz network let us presume that
Question 1 Who initiates the ‘Trap' message? When is this message generated? Question 2 Discuss the features of a typical Network Management System.List (Fault Management,
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