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Features of FDM 1.The FDM channel carries only one phone circuit at a time. 2.If an FDM channel is not in sue then it is sits idle and cannot be used by other user
Q. Advantages of Fiber Optics? - Higher bandwidth in comparison to twisted-pair and coaxial cable is not limited by medium but by equipment used to generate and receive signals
Explain the terms - LAN extension and Ad hoc network LAN extension: a wireless LAN integrated with a wired LAN to extend the coverage area of the LAN complex; Cross-building
Has a central core conductor covered in an insulating sheath encased in an outer conductor of metal foil RG numbers indicate physical specs such as thickness and type of insula
What is Frequency diversity Due to the transmission is spread out over a larger bandwidth, frequency-dependent transmission impairments, like as noise bursts and selective fadi
What is Unacknowledged connectionless service This service is a datagram-style service. It is a very simple service that does not involve any of the flow- and error-control mec
Q. Explain the types of Security Threats? (a) Normal Flow (b) Interruption: An asset of a system develops into unavailable or unusable. (c) Interception: A few unaut
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
Question: a) List three characteristics and two potential problems of a peer-to-peer environment. b) List three characteristics and two potential problems of a client/
define the concept of routing protocol?
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