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Client-Server System

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What is a client/server system? What is a client? What is a server? Why would an organization choose to implement a client/server system?

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https://brainmass.com/computer-science/software-development/client-server-system-250662

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A client-server system is a distributed system composed mainly of client systems and server systems. An example of this system is the Internet, wherein the users who utilize the Internet are the client systems, while the Internet Service Providers (ISP) are the server systems.

A client is a system that accesses a remote service ...

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A client/server system requires remote users to use a password to log onto the server. Describe a simple scheme that would thwart eavesdroppers from obtaining and/or spoofing the password.

Q1 A client/server system requires remote users to use a password to log onto the server. Describe a simple scheme that would thwart eavesdroppers from obtaining and/or spoofing the password.

A1. unknown

Q2 Bob is concerned about the possibility of having his 100k byte file modified without his knowledge, so he calculates a 100 byte hash. Alice, unbeknownst to Bob, changes a single character in Bob's file. Assuming that Bob used a strong hash function, what would the hash value of the modified file look like, as compared with the original hash value?

A2. The hash value of the modified file would look entirely different than the original hash value.

Q3. Invent a simple hash function. Identify its weaknesses.

A3. Unknown

V/R

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