3 - The Internet Exam
Most households and small businesses in the United States use tier three Internet service providers (ISP)
for Internet access. What qualifies an ISP as a tier three provider? - correct answer
Tier three providers pay either tier one or tier two companies for Internet access
Dial-up Internet service, once the primary method of connecting to the Internet, has been supplanted by
broadband Internet, but is still used by some people. What is a requirement in order to have dial-up
Internet service? - correct answer A dial-up Internet service provider (ISP)
subscription and phone number that the user can dial into.
What Windows service can be used to convert a computer into a router that shares an Internet
connection with other computers on a network? - correct answer Windows Internet
Connection Sharing (ICS)
Ports, residing in the transmission control protocol (TCP) and user datagram protocol (UDP) packet
headers are used to direct the data packets to the appropriate application in the server. What are the
first 1,024 ports called? - correct answer Well-known ports
What are some configurations of a web browser application such as Microsoft's Internet Explorer (IE)
that can be adjusted? - correct answer The browser home page, security, and
privacy.
There are three primary protocols for sending and receiving email simple mail transfer protocol (SMTP),
post office protocol version 3 (POP3), and Internet Message Access Protocol version 4 (IMAP4). Which
are send-only and receive-only email protocols? - correct answer SMTP is used for
sending email. POP3 and IMAP4 are both used to receive email using different ports.
When configuring a computer's email, what transmission control protocol (TCP) port number should be
used for simple mail transfer protocol (SMTP)? - correct answer Port 25.