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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.
Cube: It's a 3 dimensional interconnection network. In Cube PE s are organised in a cube structure. Figure 11: Cube interconnection network
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
Modulation and DeModulation
Point out the drawbacks of Token Ring. Few of the drawbacks of Token Ring are: a. Token Ring is very costly. All topology components cost much more than other more popular s
In this question, we study Nested ESP in AH, that is, we combine ESP with AH. Let's look at the site-to-site VPN scenario shown again in Figure 1. Let's assume that Alice's desktop
What are instance variables? Instance variables are those which are explained at the class level. Instance variables require not be initialized before using them as they are au
Question: (a) Show the main elements of the GSM system architecture and describe their functions. (b) Looking at the HLR/VLR database approach used in GSM-how does this arc
FDDI -(Fiber Distributed Data Interface) FDDI Basics: FDDI (Fiber Distributed Data Interface) came about because system managers became concerned with network reliability i
What is packet filter? Packet filter is a standard router up to with some extra functionality. The extra functionality permits every incoming or outgoing packet to be inspected
By using this command Router(config)# no cdp run we can disable CDP on the entire Router
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