Optimal page – replacement algorithm is difficult to implement, because ____________(a) it requires a lot of information(b) it requires future knowledge of the reference string(c) it is too complex(d) it is extremely expensiveI got this question in a national level competition.Question is from Virtual Memory in portion The Linux System of Operating System

Optimal page – replacement algorithm is difficult to implement, beca

1.	Optimal page – replacement algorithm is difficult to implement, because ____________(a) it requires a lot of information(b) it requires future knowledge of the reference string(c) it is too complex(d) it is extremely expensiveI got this question in a national level competition.Question is from Virtual Memory in portion The Linux System of Operating System
Answer» Correct option is (B) it requires FUTURE KNOWLEDGE of the reference string To EXPLAIN: NONE.

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