LIMITATIONS OF THE INTERNET
True or false: The Internet is the World Wide Web. Explanation! The Internet is mistakenly referred to as the World Wide Web, but it)s just the physical connection of computers and wires around the world. The Web is the information on the Internet.
What is the fundamental protocol that the Internet uses today? Nice work! The TCP/IP protocol is what allowed computers to share information outside their network, which stemmed the creation of the Internet as we know it today.
True or false: You should only worry about computer security if you work in a computer security role. Well done, you! Computer security affects everyone whether it)s in your personal life or work life. You and everyone around you should exercise good computer security practices. .
There are 4 bytes in an IPv4 address. What is the highest decimal value you can have for one byte? Great job! There are 256 available values in a byte with decimal values ranging from 0 to 255.
Which of the following protocols is the primary infrastructure that creates the Internet? Nice work! The TCP/IP protocol is what allowed computers to share information outside their network, which stemmed the creation of the Internet as we know it today.
A(n) ______ is an interconnection of computers. You got it! You can connect many computers together to form a network.
In an IT field, managing, building, and designing networks is known as ______. Great job! The management and building of networks is known as networking.
True or false: The Internet of Things is a concept that)s allowing more devices to be connected to the Internet. Right on! Common manual devices, like thermostats, kitchen appliances, and more, are being connected to the Internet thanks to the Internet of Things. GRADED ASSESSMENT: NETWORKING
Which of the following devices are used in networking? Check all that apply. Wohoo! These are all physical devices used in networking
Which one of these are a valid IPv4 address? Check all that apply. Great job! IPv4 address are separated into 4 bytes, and each byte can have a value from 0 to 255.
Devices on a network are identified by which of the following? Nice work! The MAC address and IP address are the unique identifiers that identify devices on a network.
Which statement is true about the Internet and the World Wide Web? Great job! We can access the internet through world wide web.
You're having trouble connecting to the Internet, so you call your Internet Service Provider for help. They need to know the permanent unique identifier of your networking device, to help them troubleshoot. What are they asking for? Great work! Devices that can connect to a network have a unique identifier called a MAC (media access control) address. MAC addresses are generally permanent and hard coded onto a device.
Which statements are true about routers? Check all that apply. You nailed it! A router connects lots of devices together and helps route network traffic. The packets go through the router, and the router utilizes network protocols to help figure out where to send the data
What is www.google.com an example of? Woohoo! A URL, which stands for Uniform Resource Locator, is a human readable web address like www.google.com.
What was the main limitation of computer networking that the invention of the World Wide Web solved in the 1990s? You got it! Before World Wide Web, information was only sent to one another in the form of text.
You need to update your router settings, so you log into the administration panel, whose Internet Protocol (IP) address is 192.168.0.1. Which IP version is this? You got it! IPv4 (Internet Protocol version 4) is an address that consists of 32 bits separated into 4 groups. This means that each group can have values from 0 to 255, making 192.168.0.1 a valid IPv4 address.
Which statement is true about computer security? You nailed it! Computer security is no longer the job of specialized security engineers. It)s everyone)s responsibility, and is an important issue that you may face in both your personal and professional life.
What are some of the ways we can resolve IPv4 address shortages? Check all that apply.
What protocol allows us to use a domain name like google.com instead of an IP address?
What type of address do computers use to find something on a network?
You're browsing the Web, and type in www.Coursera.com in the address line. Instead of the website, an error screen appears. You type in 54.174.155.206, and the Coursera website comes up. What)s the most likely reason for this?
What was the biggest problem with the earliest version of the Internet in the late 1960s?
What are the drawbacks of purchasing something online? Check all that apply.
Well done! Giving your personal and financial information to online retailers can lead to consequences ranging from unwanted advertising to identity theft. It’s up to you to decide if the tradeoffs of a product or service are worth sharing your information.
What do we call data that)s broken down into bits and sent through a network?
What is known as networking in the IT field? Check all that apply.
Which of the following cables are used in networking? Check all that apply.
Right on! An ethernet and fiber optic cable are used in networking.
True or false: You can create a network with two computers.
Yes! A network can be made up of two or more computers.
Which protocol is used to handle delivery of information from one network to another?
You nailed it! The Transmission Control Protocol or TCP is a protocol that handles reliable delivery of information from one network to another.
Which Internet Protocol version is 100.0.0.256?
Well done! IPv4 is the first version of the IP protocol. IPv4 addresses are separated into 4 bytes, and each byte can have a value from 0 to 255. IPv6 addresses are in groups of four hexadecimal digits, separated by colons.
Ready to test your recall?
True or false: The Internet is the World Wide Web. Explanation! The Internet is mistakenly referred to as the World Wide Web, but it)s just the physical connection of computers and wires around the world. The Web is the information on the Internet.
How confident are you in this answer?