The use of cryptographic certificates to establish secure sockets layer (ssl) connections is an example of which process?

Which of the following is a way the operating system prevents unknown or unauthorized users from accessing the system?

Pthreads programming: create and terminate a thread write a c++ program that creates a thread. the main will display a message “hello world from the main”. the main will create a thread that will display a message “hello world from the thread” and then terminates with a call to pthread_exit()

How do you write an argumentative essay about the importance of free enterprise ?