Question 1

Which of the following provides Internet access using a cable television company's infrastructure and a special cable modem?

Accepted Answer

This is the definition of an Internet cable connection.

Question 2

What is a device that enables a computer to transmit and receive data?

Accepted Answer

This is the definition of a modem.

Question 3

The Internet is a hierarchical structure linking different levels of service providers whose millions of devices supply all the interconnections.The three levels outlined in the book from the top down include _____________________.

Accepted Answer

The Internet hierarchy levels from top to bottom are national service provider (NSP),regional service provider (RSP),and Internet service provider (ISP).

Question 4

Which domain is reserved for U.S.government agencies?

Accepted Answer

The domain name reserved for U.S.government agencies is .gov.

Question 5

The speed of transmission of a network is determined by the speed of its smallest ______________.

Accepted Answer

The speed of transmission of a network is determined by the speed of its smallest bandwidth.

Question 6

Which of the following allows high-speed digital data transmission over standard telephone lines?

Accepted Answer

This is the definition of digital subscriber line (DSL).

Question 7

What measures bandwidth in terms of numbers transferred or received per unit of time?

Accepted Answer

This is the definition of bit rate or data rate.

Question 8

Which of the below is a WAN?

Accepted Answer

All are examples of a MAN except the Internet,which is a WAN.

Question 9

What is a high-speed Internet connection that is always connected and has a bandwidth greater than 2 Mbps?

Accepted Answer

This is the definition of broadband.

Question 10

How do TCP and IP differ?

Accepted Answer

TCP verifies the correct delivery of data in case it is corrupted,where IP verifies the data are sent to the correct IP address.

Question 11

What measures network performance by the maximum amount of data that can pass from one point to another in a unit of time?

Accepted Answer

This is the definition of bandwidth.

Question 12

What are the two most prevalent types of broadband access?

Accepted Answer

The two most prevalent types of broadband access are digital subscriber line and cable connection.

Question 13

Which of the following is a type of data connection able to transmit a digital signal at 1.544 Mpbs and is more expensive and reliable than cable or DSL?

Accepted Answer

This is the definition of a T1 line.

Question 14

Which domain is the most common and reserved for commercial organizations and businesses?

Accepted Answer

The most common domain and is reserved for commercial organizations and businesses is .com.

Question 15

What is the conversion of IP addresses that identifies labels that use a variety of recognizable naming conventions?

Accepted Answer

This is the definition of a domain name system (DNS).

Question 16

What is the standard Internet protocol,which provides the technical foundation for the public Internet?

Accepted Answer

This is the definition of TCP/IP.

Question 17

Which of the below offers an example of a LAN?

Accepted Answer

Examples of a wide area network (WAN)include large companies,government organizations,cities,regions,and countries around the world.

Question 18

What is the standard that specifies the format of data as well as the rules to be followed during transmission?

Accepted Answer

This is the definition of protocol.

Question 19

Which of the following terms refers to the smallest element of data and has a value of either 0 or 1?

Accepted Answer

This is the definition of a bit.

Question 20

Which of the below allows a user to access the Internet?

Accepted Answer

Dial-up,DSL,Cable,and T1 lines are all examples of types of Internet access.

Quiz 7: Networks: Mobile Business