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Consider a simple telephone network consisting of two end offices and one intermediate switch with a 1-MHz full duplex trunk between each end office and the intermediate switch. The average telephone is used to make four calls per eight hour workday, with a mean call duration of six minutes. Ten percent calls are long distance. What is the maximum no. of telephones an end office can support?
State the primary advantage of a deterministic local area network protocol over a nondeterministic local area network protocol.Give a real-life example of this advantage.
Let DES(x, K) represent the encryption of plaintext x with key K using the DES cryptosystem. Prove that y' = c(y) (i.e., if we complement the plaintext and the key, then the ciphertext is also complemented).
Explain why a WBS has different levels and what each level represents. Respond to the following: "If you were a project manager in charge of employees affected by the above situation.
Design a network that will integrate a wireless network into an existing wired network. The wired network consists of five departments in a two-story building.
Derive a general expression for the width of a bit in terms of the propagation speed s, the transmission rate R, and the length of the link m.
Provide an example explaining the best use of Virus, Encryption, VPN, Firewall securities, when and why?Which security areas you are using and applying to your securities? Also explain why?
It is considered good practice for the sender to pad every message, including messages in which the final message block is already complete. What is the motivation for including a padding block when padding is not needed.
Determine the Internet bandwidth needs of the medical group and determine the possible providers and expected cost or range of costs for such service.
In the TS RemoteApp Manager console, there are currently two warning indicators showing in the Overview area. Will any of these warnings make it impossible to access your RemoteApp applications from your partner server?
How many wait states (clock cycles) need to be inserted for proper system operation if bus clocking rate is 8 MHz?
Suppose a propagation speed of 100 km/hour. Assume caravan travels 150 km, beginning in front of tollbooth. Calculate the end-to-end delay.
An entrepreneur is interested in establishing her own world-wide satellite radio infrastructure and has requested your help. Describe and justify the infrastructure that you would develop.
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