Voice over Internet Protocol (VoIP) is a protocol that uses the network infrastructure in a facility for internal calls and __________ for calls outside the facility

a. The Internet
b. Cell towers
c. Satellites
d. None of the above


A. Because VoIP uses the Internet, a facility's Internet security protects the phone systems from being hacked.

Computer Science & Information Technology

You might also like to view...

Which of the following statements is false?

a) A delegate variable can hold a reference to any method. b) The real power of delegates is in passing method references as arguments to methods. c) A method name can be passed directly to a delegate parameter, rather than first assigning it to a delegate variable. d) A delegate type is declared by preceding a method header with keyword delegate (placed after any access specifiers, such as public or private) and following the method header with a semicolon.

Computer Science & Information Technology

An example of a container is a/an:

a. array b. vector c. linked list d. all of the above

Computer Science & Information Technology

Discuss the types of problems that can occur with locking-based mechanisms for concurrency control and the actions that can be taken by a DBMS to prevent them.

What will be an ideal response?

Computer Science & Information Technology

In SharePoint, the ________ tools associated with the blog template make it easy for visitors to share responses to postings

A) posting B) commenting C) discussion D) blogging

Computer Science & Information Technology