Multiple choice

A condition that occurs when two transactions wait for each other to unlock data is known as a

  1. shared lock

  2. exclusive lock

  3. binary lock

  4. dead lock

  5. _

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

It is a process when two or more tasks permanently block each other, each task having a lock on a resource which the other tasks are trying to lock.