SAM Module 3 question and answer correctly solved

SAM Module 3 question and answer correctly solvedWhy do we use computer networks? D. to share information efficiently WANs can span an entire country, while ___________ consist of computers in relatively close proximity. D. local area networks (LANs) Electrical data suitable for transmission is called a(n) _______. D. signal What is the most common network topology? NOT star or LAN Which is an advantage of peer-to-peer networks? They are inexpensive and easy to set up. Which of the following is not a peripheral device you can connect using a USB port? E. power cord Two types of modems are cable and DSL. True When you click a link on a webpage, your browser acts as a _________, and sends a request to the __________. D. Client, email server If you want to send a large message on the Internet, it must first be broken up into ___________. C. packets In the OSI model, what is the basic role of each layer except the application layer? A. To provide services to the next higher layer Which of the following is a typical communications protocol? D. Specific messages receive specific responses. The Internet translates every website name into its exact address, called a(n)________. D. IP address Cable and DSL Internet connections are called _____________ because they offer faster speeds than dial-up connections. B. broadband To register a .edu top-level domain, you must be a(n) ____________. D. two-year or four-year college or university