HTTP, .edu, and www are all examples of top-level domain names

Facebook and LinkedIn are examples of:

a.forums b.MMORPGs c.social networks d.wikis

Which of the following statements is false?

a. A common way to perform synchronization is to use Java’s built-in monitors. b. Every object has a monitor and a monitor lock (or intrinsic lock). c. A monitor ensures that its object’s monitor lock is held by a maximum of two threads at a time. d. Monitors and monitor locks can be used to enforce mutual exclusion.