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Question:
a) In relation to network design, give two reasons why the building-block approach is favoured to the traditional approach.
b) Explain the following steps in relation to building-block approach.
i) Geographic Scope ii) Capacity Planning iii) Network Requirement
c) How is a logical network diagram different from that of a physical network diagram?
d) Give four measures that could be taken to reduce overall network costs.
e) Differentiate between each of the following:
i) TCO and NCO ii) Packet-Level and Application-Level firewalls iii) RAID-10 and RAID-5
What is autonomous system? It is a collection of routers under the control of a one administrative authority and that uses a common Interior Gateway Protocol.
What is Frequency borrowing In the simplest case, frequencies are taken from adjacent cells by congested cells. The frequencies can also be assigned to cells dynamically.
Q. Microwave Applications? - Unicasting - one-to-one communication among sender and receiver - Cellular phones - Satellite networks - Wireless LANs
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Name the OSI layer which performs code conversion, code formatting and encryption Ans) Presentation layer performs code conversion, code formatting and encryption
QUESTION (a) What are the problems with IPv4 on today's Internet and how does IPv6 solve these problems? (b) Describe at least three ways in which IPv6 is more efficient tha
Encryption/decryption using by SSL Once a session is established, the SSL generates a session key using public-key encryption to exchange information between the client and ser
This example demonstrates the use of parallel sections construct. The three functions, fun1, fun2, and fun3, all can be executed concurrently. Note that all the section directives
Security Security is the protection of hardware software and data from unauthorized access. Restricted physical access to computer password protection limiting user priv
What is IP spoofing and how can it be stopped?
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