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Question:
(a) In relation with a cellular network architecture, describe the following terms:
(i) Clusters (ii) Pico cells (iii) Nano cells (iii) Cell breathing
(b) What is the HO_Margin and how does it optimise handovers in cellular networks?
(c) Describe how a Mobile Terminating call, from a PSTN phone, is processed in a GSM network. Explain your answer with a diagram.
(d) Describe the different type of handovers available in UMTS and state which ones are soft or hard handovers. Explain your answer with a diagram.
What are the popular topologies other than basic Topologies? Apart from basic topologies some other topologies worth considering are: mesh topology (each device linked to all o
Determine the definition of HDLC HDLC has only one address field. In a LAN, any station may transmit to any other station. The receiving station needs to see its own address in
how to descripe computer networks in a company
What does a Standard IP Access-list use as test criteria Ans) Standard IP access list use only source address.
Explain Bus Topology. The physical Bus topology is the easiest and most widely used of the network designs. It having of one continuous length of cable (trunk) and a terminatin
What are the dissimilar ways authentication mechanism in VPN?
Explain Point-to-Point connection type. Many point-to-point connections are associated with modems and PSTN (Public Switched Telephone Network) communications.
Go Back ( GBN) Go back N ARQ is specific instance of the automatic repeat request protocols in which the sending process continues to send a number of frames specific
Q. Use of Infrared? - Frequencies among 300 GHz and 400 THz - Short-range communication - High frequencies can't penetrate walls - Necessitate line-of-sight propagati
Reliability Reliability is the measure of how often a network is usable. MTSF( Mean time Between Failure) is a measure of the average time a component is expected to ope
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