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Question: Think about a simple telephone network consisting of two end offices and one intermediate switch with a 1-MHz full-duplex trunk in each end office and the intermediate switch. The average telephone is used to make four phone calls per 8-hour workday, with a mean call duration of six minutes. 10% of the calls are long distance. What is the maximum number of telephones an end office can support?
Assume a time sharing operating system allocated time slices of twenty milliseconds and the machine executed an average of 5000 instructions per microsecond.
Provide a table showing the Caesar cipher with a key five, and then provide the result of applying this cipher to the text 'I came I saw I conquered'.
Discuss briefly how IT certification works. What business arenas are IT certifications needed, security, or what technical problem is IT certification designed to solve?
A 4480 octet datagram is to be transmitted and requires to be fragmented because it will pass through an Ethernet with a maximum payload of 1500 octets.
Computer has 16 pages of virtual address space but only three physical pages frames. Initially physical memory is empty. Program references virtual pages in order 1,2,3,4,5,3,4,1,6,7,8,7,8,9,7,8,9,5,4,5,4,2 Which references a page fault with LRU ..
Assume two hosts A and B are connected via router R. A-R link has infinite bandwidth; A-R link has infinite bandwidth; draw curves for throughput, delay, and power, each as function of load.
Qqueue for service (if the server process is busy servicing another request). Requests in queue are served according to the scheduling policy in use: First-In-First-Out (FIFO) scheduling.
What is the difference between a safe state and an unsafe state in a deadlock-avoidance system?
While working with the System Administration group, they tell you that a huge part of the administrator's duties focus on troubleshooting troubles within the network.
Determine some of the ethical, legal and security responsibilities health care organizations must address when they implement health care database?
Discuss and explian wired and wireless media along with the drawbacks and benefits of each also Discuss the channel signaling systems used in voice communication along with the drawbacks and benefits of each.
Suppose you work for a small, one office loan business. Your data is critical, and a fire or other disaster could destroy all of your computer documents.
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