Understanding the Internet

Questions and Answers

What defines the Internet?

A local network that connects devices via Ethernet.

A worldwide network connecting computers via dedicated routers and servers. (correct)

A system of connected smartphones using cellular data.

A type of wireless technology limited to an area.

Which of the following describes Wi-Fi?

A medium that transmits data through wired routers only.

A wireless networking technology that uses radio waves for high-speed connectivity. (correct)

A wired connection offering slow and unstable data transfer.

A method of connecting only stationary computers.

What is an advantage of using Ethernet over Wi-Fi?

Ethernet provides stable and secure data transmission. (correct)

Ethernet offers lower costs than Wi-Fi.

Ethernet allows for a more flexible connection process.

Ethernet is faster under all circumstances.

Which technology is primarily used by smartphones to connect to the Internet?

Cellular data. Signup and view all the answers

What main purpose does cellular data serve?

Enabling wireless communication between mobile devices and networks. Signup and view all the answers

What is a key characteristic of Ethernet connections?

They utilize wired cables for a consistent and reliable connection. Signup and view all the answers

Why might someone choose to use Wi-Fi instead of Ethernet?

Wi-Fi eliminates the need for physical cables. Signup and view all the answers

What is a limitation of Wi-Fi compared to Ethernet?

Wi-Fi can be affected by distance limitations and signal degradation. Signup and view all the answers

What is the primary role of a photo editor?

Editing and preparing images for digital use Signup and view all the answers

Which of the following tasks is NOT typically performed by a call center representative?

Designing marketing strategies Signup and view all the answers

What is one of the significant advantages of having internet-based jobs?

Accessibility and flexibility Signup and view all the answers

Which method of data transfer is characterized by a continuous connection that may block other users?

Circuit switching Signup and view all the answers

What defines packet switching in data transmission?

Transmission of smaller parts independently Signup and view all the answers

Which of the following best describes the work of a data entry clerk?

Entering and maintaining company data accurately Signup and view all the answers

Why is packet switching considered more efficient than circuit switching?

It avoids blocking other users Signup and view all the answers

What is the primary responsibility of a customer service representative?

Answering customer inquiries and requests Signup and view all the answers

What is the primary job that the internet does?

Move and transfer computerized information Signup and view all the answers

Which organization is mentioned as supporting the internet's openness?

World Wide Web Consortium Signup and view all the answers

What can internet users do if they have access to a computer connected to the internet?

Create resources and publish online Signup and view all the answers

What types of information can the internet handle?

Text, documents, images, audio, video, and software Signup and view all the answers

Which of the following tasks is NOT typically associated with the internet?

Managing employee payroll systems Signup and view all the answers

Who would be classified as a blogger?

Someone who writes regularly for an online journal Signup and view all the answers

What is the primary function of the Internet2 dynamic circuit network (DCN)?

To allow user-based allocation of data circuits over a fiber-optic network. Signup and view all the answers

What is the significance of the internet's decentralized nature?

It prevents any single entity from monopolizing internet resources Signup and view all the answers

What is one of the sophisticated tasks that can be performed via the internet?

Creating websites Signup and view all the answers

As of May 2016, how many U.S. higher education institutions are part of the Internet2 community?

317 Signup and view all the answers

Which organization in the Philippines is involved with Internet2's peering relationships?

Philippine Research, Education and Government Information Network (PREGINET). Signup and view all the answers

What significant event occurred in August 2017 regarding the use of high-speed connectivity provided by PREGINET?

A nationwide webcast on nuclear neurology was held among hospitals. Signup and view all the answers

What was the total number of internet users worldwide as of January 2018?

4.021 billion. Signup and view all the answers

Which of the following accurately describes the reach of Internet2 in terms of partner representations?

Includes over 100 countries with various education and research institutions. Signup and view all the answers

What is one of the benefits of the information infrastructure provided by PREGINET in the Philippines?

It allows hospitals to access global medical diagnostics and treatment options. Signup and view all the answers

What type of technology does the Internet2 DCN employ?

Dynamic circuit technology over fiber-optic networks. Signup and view all the answers

What is the primary function of a print server?

To accept and queue print jobs Signup and view all the answers

Which device is compared to a mailbox in the context of networking?

Router Signup and view all the answers

Which of the following defines HTML?

A markup language for web pages Signup and view all the answers

What role does the HTTP protocol play on the internet?

To allow information interchange on web pages Signup and view all the answers

What is the standard port for HTTP connections?

80 Signup and view all the answers

Which of the following technologies is NOT part of the development of the World Wide Web?

XML Signup and view all the answers

What type of server specifically holds and manages documents?

File server Signup and view all the answers

What does a router primarily do in a network?

Analyze and send incoming packets Signup and view all the answers

Study Notes

What is the Internet?

A worldwide network connecting millions of computers via dedicated routers and servers.
Enables the sending and receiving of various information types, such as emails, text and video chats, and computer programs.

Wi-Fi

Wireless networking technology using radio waves for high-speed internet connections.
Connects devices like smartphones and laptops to wireless routers, which access the broader internet.
Facilitates internet access without physical cables.

Ethernet

Primary medium for stable and secure internet connections via wired cables.
Offers reliable data transmission, crucial for high bandwidth tasks like streaming and online gaming.
Less affected by interference and distance limitations compared to wireless connections.

Cellular Data

Enables internet access through wireless communication between mobile devices and cellular networks.
Utilizes radio waves to connect devices to cellular towers, supporting connectivity without physical cables.

Smartphones

Connect to the internet through cellular networks, using technologies like 3G, 4G, and 5G.
Connectivity facilitated by cellular towers throughout regions.

Internet Growth

As of January 2018, there are 4.021 billion internet users globally, representing over half the world's population.
The internet lacks central ownership, allowing openness and uninhibited access to resources.

The Role of the Internet

Empowers users to create and share content, exchange emails, and utilize resources online.

Jobs Enabled by the Internet

Blogger: Regularly writes for online platforms.
Photo Editor: Edits and prepares images for digital use.
Data Entry Clerk: Collects and maintains data in databases.
Call Center Representative: Handles customer inquiries and complaints.
Customer Service Representative: Responds to public questions and requests.

Importance of Internet-Based Jobs

Provide flexibility, global reach, and networking opportunities.
Contribute to economic growth and job security while shaping the future of work.

Data Transfer in the Internet

Switching: Process of transferring data from one device to another.
- Circuit Switching: Used in traditional telephone networks, inefficient for simultaneous calls and data usage.
- Packet Switching: Breaks messages into packets for independent travel, more efficient than circuit switching.

Hardware in Internet Infrastructure

Routers: Devices that receive, analyze, and send packets to other networks, serving as entry points to the internet.
Servers: Manage data for the internet, such as file servers and print servers.

World Wide Web (WWW)

A collection of public websites connected to the internet.
Major components include:
- HTML (Hypertext Markup Language): Standard markup language for creating web pages.
- HTTP (Hypertext Transfer Protocol): Set of standards for exchanging information on the web, operating on Port 80.
- Web Servers and Browsers: Applications used for retrieving and navigating web information resources.

Future of Internet Technologies

Anticipated to play a vital role in global connectivity and information sharing, enhancing communication and professional growth.

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Description

This quiz explores the fundamental concepts of the Internet, including its definition and how it connects millions of computers. Participants will learn about various methods of information exchange facilitated by the Internet, such as emails and video conferencing.