Question: The Least - Recently - Used ( LRU ) page replacement algorithm: a . typically provides a performance reasonably close to the optimal page replacement

The Least-Recently-Used (LRU) page replacement algorithm:
a.
typically provides a performance reasonably close to the optimal page replacement algorithm OPT
b.
can be implemented accurately and efficiently in real systems
c.
may suffer from Beladys anomaly
d.
all of the indicated choices

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