High-speed ________ communication lines on the internet backbone use fiber optics.

Email is the transmission of messages and files between computers or smart devices over a(n) ____.

________ software helps you manage e-mail, contacts, calendars, and tasks in the same application.

A _________ is the place at which the isp provides services to its customers.

A(n) ________ device facilitates file sharing and data backup.

At the top of the internet structure are tier 1 ___________, such as at&t and sprint.

Which protocol is used for email transmission?

Which of the following is NOT an example of a client/server?

Which command will display the assigned IP address of a network adpater installed on a Windows XP system?

What is a MAC address?

TCP is a ___ protocol.