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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.
Describe shor note on Physical layer?
Monitor Stations Lost tokens - timer is issued each time a frame or token is generated If no frame is received in time period new token is generated by a monitor stat
What is mesh network? A network in which there are many network links among computers to provide multiple paths for data to travel.
NETWORK ANALYZERS: A network analyzer also known network monitor or a network sniffer is used to calculate the performance of or debug a network. It may report statistics s
Dotted decimal representation is a syntactic form the IP software uses to express 32-bit binary numbers when communicating with humans. Dotted decimal presents every octet in decim
Q. Define the Network Security? The Internet and Web technology presents enormous promise for e-commerce. Web now is used to handle important business assets that became the
Network Protocols In computer networks communication occurs between the entities in different systems an entity is anything that is capable of sending or receiving
Define Retransmission? Retransmission is a process in which the receiver detects the occurrence of an error and asks the sender to resend the message. Resending is repeated unt
Question : a) In your view, what are the top three strengths and weaknesses of wireless systems? Rank them in order of priority. What can be done to address the weaknesses?
DNS Message There are the only two kinds of DNS message DNS query and reply messages. Further mote both query and reply message have the same format as shown in figure.
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