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中山◆資工◆作業系統與資料結構
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108年 - 108 國立中山大學_碩士班招生考試_資工系(甲組#105764
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題組內容
5.[Protection and Security: ]
(3) Give two common solutions to deal with the sctuid-on problem in UNIX.
其他申論題
(4) What is the difference between synchronous and asynchronous IO?
#450234
(5) What are the four common registers for an I/O device?
#450235
(1) What is the principle of least privilege? How does Solaris 10 system implement it?
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(2) What is the difference between a computer virus and a computer worm?
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(4) What are masquerading and replay attack?
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(5) What is the purpose of authentication? What is non-repudiation?
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Part B. Solving the following problems(50%)(每一大題10分,請務必寫出計算過程) (11) (10pt) Find the rank of A:
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(12) (10pt) Calculate the matrix function, where the matrix M is defined as
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(13)(10pt )For a quadratic form Q = xTAx, if for any nonzero we always have Q ＞0, then this quadratic form is positive definite. For n=3 and , is the quadratic form Q=x TAx positive definite?
#450243
(a) (5pt) Express the surface equation in the form f(x, y,z) =1. Find f(x,y,z).
#450244
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