Degree of concurrency in thread can be arranged in the manner. > >

1. Aone-to-one many-to-one many-to-many > >
2. Bone-to-one many-to-many many-to-one >
3. Cmany-to-many > many-to-one one-to-one
4. DNone of the above

Pick an option to check yourself, or open the answer below.

Show answer & explanation

Correct answer: B. one-to-one many-to-many many-to-one >

Explanation

One-to-one gives each user thread its own kernel thread (most concurrency); many-to-one allows no parallel kernel execution (least). The official key places many-to-many between them.