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Question:
a) Describe the triangular delivery and two crossing problem that appears in Mobile IP.
b) Discovery, Registration and Tunneling are three basic capabilities of Mobile IP. Describe them briefly.
c) Mobile IP: Suppose a remote host sends a datagram to a mobile host. Describe the roles of the home agent and foreign agent in the delivery of the datagram?
d) Mobile IP suffers from inefficiency in the data delivery phase. Why?
e) IPsec uses two modes: tunnel mode and transport mode. Outline in which situations the two different forms are preferably used. Also, describe the encapsulation in the two modes.
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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
IEEE 802.4-Token bus Physical line or tree however logical ring. Stations know "left" as well as "right" stations. One token "passed" from station to station. Only station with
(a) Explain how a CDMA system works? (b) Explain howWelsh-Hadamard codes are generated. Explain why orthogonality between different spreading codes is important. (c) Consider
Can you define Network Layer?
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/
Q. Multimode for transmitting optical signals? - Multiple beams from light source travel through core at different paths - Multimode step-index fiber Density remains
Q. Explain Stop--and--Wait automatic repeat request? 1. Numbering frames prevents the retaining off duplicate frames. 2. Numbered acknowledgement are needed in case of delay
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