Option(d) is the correct answer to the given question
Explanation:
The main advantage of slab allocator is that There is no memory is lost because of the fragmentation this is due to some driver data framework has a cache memory that is connected to it.
In the slab allocator the resources are repeatedly assigned or free to handle them. It is a type of memory management scheme that is used for distributing resources to the memory.
All the other options are not considered as advantages of Slab allocator that's why they are an incorrect options.