A component added to your web browser to stream content is called a(n) ____.  

All of the following are true about Facebook EXCEPT ________

A) For some people, the most important part of using a social network is the number of "friends" they have. B) On Facebook, you can create a profile that includes some personal information, pictures, and interests. C) On Facebook, you can connect with other Facebook users or friends. D) All companies use Facebook to connect with customers.

How many ICMP messages are sent by default when using the ping command on a Windows machine?

A) 5 B) 4 C) 1 D) 10