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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.
Which switching technology can decrease the size of a broadcast domain? Ans) VLAN's are logical ways to break up a huge broadcast domain. To get from VLAN to VLAN you must ha
Question: (a) Explain how a Token Ring networks allows sharing of bandwidth (access control). (b) (i) CSMA/CD is not appropriate for wireless communication. Explain wh
Threats to information can include Deletion of a file or files. Corruption, caused either by hardware problems or by a bug in the software. Theft of company data
MIME The Multipurpose Internet Mail Extensions While the message headers described in are satisfactory for sending ordinary ASCII text they are not sufficiently Reich for
Explain use of perimeter area?
802.11 DSSS a) Direct sequence spread spectrum in a 2.4 GHz band b) Each bit is replaced by a sequence of bits called a chip code, implemented at the physical layer c) Se
Internet Client Control Task A distributed system is to be implemented using networked PCs. The role of the system in this task is to implement an environmental control sys
a) Consider a hypothetical arrangement of ‘self-learning' bridges shown in the figure below. Assuming all are initially empty, give the forwarding tables for each of the bridges B
Q. What is Authentication ? - Verification of sender's identity. - Accomplished through a digital signature, which is based on public key encryption/decryption. - Uses re
Efficiency of a data communications system depends on three fundamental characteristics - Delivery: The system should deliver data to the correct destination. Data should be r
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