Your protocol should take into account the following situations: Messages
Design and describe an application-level protocol to be used between an automatic teller machine and a bank's centralized computer. Your protocol should allow a user's card and password to be verified, the account balance (which is maintained at the centralized computer) to be queried, and an account withdrawal to be made (that ...continues
Communication Networks Problem
1) SONET ring with four stations. Suppose tributaries established between each pair of stations to produce logical topology. Find capacity required in each hop of SONET ring in following three cases assuming first ring is unidirectional and then that ring is bidirectional a) Traffic between each pair of stations is STS-1 2 ...continues
Ethernet packet/frame , MAC, Manchestercoding.
Short description about the ethernet packets/frame. Manchester coding, description of the MAC and ethernet performance. Your manager has asked you to describe the frame format of a typical Ethernet packet. Prepare a written report. Be sure to discuss Manchester encoding, and Ethernet performance as more hosts are added to a ...continues
Compare circuit switching and packet switching...
Please explain in details the concepts of congestion and quality of service in data networks, and what technologies exist to help deal with these. OBJECTIVE: __Compare circuit switching and packet switching ___Discuss the characteristics of Internet, wireless, and local area networks Please cite a ...continues
The most effective ways to filter data that travels along a network
What are the most effective ways to filter data that travels along a network (wired or wireless). IE. By MAC or IP, what are some others ways to secure data on a wired or wireless network.
Research the pros and cons of Pluggable Authentication Modules (PAM)?
Research the pros and cons of Pluggable Authentication Modules (PAM)?
Research the advances in encryption?
What are some of the advances in encryption in the last few years?
A company in an office park has two locations next to each other...
Details: A company in an office park has two locations next to each other, with over 5,000 computers in each office space. Each office has about 17 floors and thousands of employees. They want to connect the two offices so that each one is accessible. What solution would you offer? These offices do not need Internet co ...continues
Transport Protocol and Transport Services
You are in charge of training the new employee. Explain the difference between Transport Services and Transport Protocols. Transport Protocol and Transport Services Transport-layer services are end-to-end services. It enables multiple applications to use the same Transport-layer DataStream. The data from upper-protocol ...continues
Using Unix alias to emulate DoS commands
Assume you are an experienced DOS programmer and you want to write UNIX shell scripts using DOS commands. Use the alias command so you can type the follow DOS commands and perform UNIX functions: a. Clear screen (cls) b. Directory (dir) c. print out the contents of a file (type) d. Make a directory (md) e. Change director ...continues
