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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.
Question: (a) Show by means of a diagram the Ethernet frame structure and describe the six fields of the Ethernet frame structure. (b) Explain the operation of the Carrier S
What are the drawbacks of Ethernet Cabling? The Ethernet cabling ahs the following drawbacks: 1. Ethernet is not a high-level performer in high-load environments. This proto
What are local variables? Local varaiables are those which are declared within a block of code like methods. Local variables should be initialised before accessing them.
What is VRC? It is the most common and least costly mechanism for Error Detection. In VRC, a parity bit is added to each data unit so that the total number of 1s becomes even f
Load the Router with the Supplied Scripts Enable ! config term ! hostname Router1 ! enable secret class ! no ip domain-lookup ! interface FastEth
Can you Describe IGRP?
Network Control protocols ( NCP) The first ARPANET networking protocols was named simply the network control protocols in 1970,and was created by created by network
a) Assume that the time required to transmit one packet (i.e. the packet length divided by link data rate) is 10ms and the Round Trip Time (from Source to Destination and back) is
Determine the computing infrastructure One solution for the protection of the computing infrastructure is to use digital certificate-based solutions. Users can be given access
What is the difference among TFTP and FTP application layer protocols? The Trivial File Transfer Protocol (TFTP) permits a local host to get files from a remote host but does n
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