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1. When a page in the buffer pool is modified, how does the DBMS ensure that this change is propagated to disk? (Explain the role of the buffer manager as well as the modifier of the page.)
2. What happens if there is a page request when all pages in the buffer pool are dirty?
3. What is sequential flooding of the buffer pool?
4. Name an important capability of a DBMS buffer manager that is not supported by a typical operating system's buffer manager.
Explain the role of antennas in transmission of radio waves. Determine what type of antenna is typically used in a wireless LAN?
Suppose that the smallest possible message is sixty-four bytes. If we use 10BaseT, how long is a sixty-four byte message?
How many page faults would occur under pure demand paging (all frames are initially empty), assuming four frames are available, under FIFO, LRU.
The assignment aims to develop skills in systems analysis and skills in modeling information systems. This assignment is worth 30% of the total assessment. (This is an individual assignment; please complete your work independently.)7002ICT Syst..
question no.1consider a scenario of post mailbox there are two processes named sender s and receiver r. both processes
Discuss briefly the network management software components and describe the elements and capabilities of a fault, configuration, accountingn and security server.
1 whenever a thread references a part of the virtual address space that is not currently loaded in the primary memory
Compare and contrast Android and the Linux operating systems. Compare and contrast the Android and Windows operating systems
Forking the child process
Make an IE Crow's Foot E-R diagram for the entities section and employee and the 1:N relationship between them. Suppose that a section/department does not require to have an employee.
Explain a recent high profile computer security issue that you have heard of. Based on basic network security principles, how might the issue have been avoided?
Assume your local hospital has decided to extend their offices to another department of the building where it is difficult to have cables installed.
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