Module 2 Lesson 1 - ECOM

What is the Internet?

• A network of thousands of networks and millions of computers

• A single network connecting only businesses

• A network connecting only government agencies

• A network limited to educational institutions

Answer explanation

The Internet is a network of thousands of networks and millions of computers, connecting people and resources worldwide.

What is the Web?

• A service providing access to social media

• A service providing access to email

• A service providing access to only a few web pages

• A service providing access to billions of web pages

Answer explanation

The Web is a service providing access to billions of web pages, making it the correct choice among the options provided.

What is packet switching?

• A method of slicing digital messages into packets

• A method of compressing messages

• A method of sending messages as a whole

• A method of encrypting messages

Answer explanation

Packet switching is a method of slicing digital messages into packets, allowing for more efficient and reliable data transmission.

What is a router?

• A special-purpose computer that interconnects computer networks

• A device used for cutting wood

• A device used for cooking food

• A device used for playing music

Answer explanation

A router is a special-purpose computer that interconnects computer networks, allowing data packets to be forwarded between networks. It is not used for cutting wood, cooking food, or playing music.

What is TCP/IP?

• A type of computer mouse

• A type of computer monitor

• Core communications protocol for the Internet

• A type of computer keyboard

Answer explanation

TCP/IP is the core communications protocol for the Internet, not a type of computer mouse, monitor, or keyboard.

What is a domain name?

• IP address expressed in natural language

• A type of computer processor

• A type of computer memory

• A type of computer storage

Answer explanation

A domain name is an IP address expressed in natural language, allowing users to easily access websites without needing to remember numerical IP addresses.

What is cloud computing?

• Model of computing providing services over the phone

• Model of computing providing services over the Internet

• Model of computing providing services through mail

• Model of computing providing services in person

Answer explanation

Cloud computing is a model of computing that provides services over the Internet, making it the correct choice among the options given.

What is HTTP?

• Internet protocol used for transferring web pages

• Internet protocol used for transferring emails

• Internet protocol used for transferring files

• Internet protocol used for transferring music

Answer explanation

HTTP is an internet protocol used for transferring web pages, making the correct answer choice 'Internet protocol used for transferring web pages'.

What is SSL?

• Original protocol enabling secure communications over the Internet

• Protocol enabling insecure communications over the Internet

• Protocol enabling secure communications over the phone

• Protocol enabling secure communications through mail

Answer explanation

SSL is the original protocol enabling secure communications over the Internet, ensuring data encryption and authentication.

What is a Tier 1 ISP?

• Owns and controls major long-haul fiber-optic cable networks

• Provides internet access to small businesses only

• Provides internet access to homeowners only

• Provides internet access to large institutions only

Answer explanation

A Tier 1 ISP owns and controls major long-haul fiber-optic cable networks, distinguishing it from other options that provide internet access to specific types of users.