IT concepts Q3 study guide

Which of the following is an example of a DCE?​

All of the above.

Which type of protocol provides a way to transfer files from one computer to another over any TCP/IP network, such as a LAN or the Internet?

FTP

A communication port is a physical circuit through which data flows.​

False

If you allow your browser to store passwords, you no longer need to worry about security for those passwords.

False

Wi-Fi signals may reach up to 1000 feet from the router.​Wi-Fi signals may reach up to 1000 feet from the router.​

False

If you are sending personal data such as credit card information to a Web site, which of the following should you see in the address bar of your browser?​

HTTPS

The organization that supervises Internet addressing is:

ICANN

Internet addresses are controlled by which one of the following protocols?​

IP

Networks that form the Internet are maintained by:

ISPs

Which type of broadband Internet access involves using cellular data networks? ​

Mobile

On a network, which protocol is responsible for dividing files into chunks, adding headers containing information for reassembling packets in their original order, and error checking?​

TCP

A communication channel is the medium used to transport information from one network device to another.

True

A domain name ends with an extension that indicates its top-level domain.

True

Apple Safari, Google Chrome, Microsoft Internet Explorer, and Mozilla Firefox are examples of browsers.

True

Cascading Style Sheets or CSS is a set of detailed style specifications, called style rules, for an HTML document.​

True

Ethernet is a wired network technology that is defined by IEEE 802.3 standards.​

True

In the context of networks, a communication protocol refers to a set of rules for efficiently transmitting data from one network node to another.​

True

Network channels that are capable of moving at least 25 megabits of data per second are classified as broadband channels.

True

The World Wide Web is a collection of HTML documents, images, videos, and sound files that can be linked to each other and accessed over the Internet using a protocol called HTTP.

True

Every web page has a unique address called a(n):

URL

Which type of network cover a large geographical area and usually consists of several smaller networks, which might use different computer platforms and network technologies.​

WAN

Two devices on a network negotiate their communication protocols through a process called:

handshaking

The first page displayed when a browser starts is called the:

home page

What is the term that is used to describe a computer system that could store literary documents, link them according to logical relationships, and allow readers to comment and annotate what they read?​

hypertext

Which of the following extends a browser's ability to work with file formats?

plugins

An Internet-based computer that stores web site content and accepts requests from browsers is called a:​

server

The bandwidth of a channel that carries digital data is usually measured in:

​bits per second

Which type of cables are used for high-capacity trunk lines that provide main routes for telephone, cable, and Internet communications?​

​fiber-optic cables

Which technology divides a message into several packets that can be routed independently to their destination?

​packet switching

Which of the following is a program designed to help people locate information on the Web by formulating simple queries?

​search engine