Technical support fundamentals coursera quiz answers week 4

Limitations of the Internet

1. There are 4 bytes in an IPv4 address. What is the highest possible decimal value for one byte?

  • 256
  • 512
  • 128
  • 255

 

2. Which of the following protocols is the primary infrastructure that creates the Internet?

  • TCP/IP
  • DNS
  • HTML
  • NAT

 

3. What is the limitation of the IPv4 protocol?

  • Does not have any limitations.
  • It’s a slow protocol.
  • It’s obsolete.
  • Its maximum number of IP addresses has been reached.

4. What invention allows people to share more information than just text on the internet?

  • TCP/IP
  • IPv4
  • NAT
  • The World Wide Web

 

5. How have the IPv4 limitations been solved? (select all that apply)

  • By using Network Address Translation
  • By implementing the IPv6 protocol
  • By creating more IPv4 address
  • By using DNS

 

Graded Assessments - Networking

6. What factors limit the number of available IPv4 addresses? (select all that apply)

  • The number of devices that connect to the Internet
  • How many people are downloading something at the same time
  • The number of public and private websites in existence
  • The number of IPv6 addresses in use

7. True or false: You can create a network with two computers.

  • True
  • False

 

8. Which of these addresses identify a computer on the network?

  • WWW and IP addresses
  • ISPs and IP addresses
  • AC address and IP address
  • MAC address and IP address

9. What is a networking stack?

  • Radios and antennas that connect to wireless networks.
  • A set of hardware or software that provides networking infrastructure for a computer.
  • A tool that connects lots of different devices together and helps route network traffic.
  • Cables containing glass fibers that move data through light.

10. Which protocol is responsible for delivering packets to the right computers?

  • FTP
  • HTTP
  • TCP
  • IP

11. What type of address do computers use to find something on a network?

  • IP address
  • MAC address
  • ISP address
  • URL address

12. You want to register the domain name ABCcompany.org, but the registration service is not allowing you to do that. What's the most likely reason for this?

  • You are not the legal owner of ABC Company.
  • This domain name is already registered to someone else.
  • Domain names must end in “.com”.
  • Domain names must be all in lowercase.

13. What was the name of the earliest version of the Internet?

  • World Wide Web
  • TCP/IP Network
  • ARPANET
  • NAT

14. 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?

  • IPv6
  • IPv1
  • IPv2
  • IPv4

15. Which problem does IPv6 (Internet Protocol version 6) help to solve?

  • Internet Protocol versions prior to version 6 haven’t achieved widespread use.
  • There are less than 4.3 billion IPv4 addresses, which has already been exceeded with existing websites.
  • IPv5 is an outdated protocol version with insufficient security safeguards.
  • Companies waste hundreds of public IP addresses. With IPv6, they can use just one IP address.

16. Which concept deals with connecting devices like smart refrigerators and smart thermostats to the internet?

  • HTTP
  • IPv6
  • IoT
  • NAT

17. How many computers do you need to build a network?

  • 20
  • 1
  • 100
  • 2

18. You are having trouble connecting to the Internet, so you call your Service Provider for help. They need to know the permanent unique identifier address of your specific device so they can help troubleshoot it. What address are they asking for?

  • IP address
  • MAC address
  • URL address
  • ISP address

19. What does a router do in Networking? Choose all that apply.

  • A router can only send data to a computer on the same network.
  • A router utilizes network protocols to help determine where to send data packets.
  • A router sends ones and zeros through a beam of light.
  • A router connects devices together and helps direct network traffic.

20. Which protocol handles delivery of information from one network to another?

  • HTTP
  • IP
  • TCP
  • FTP

21. Which one of these translates human readable words to IP addresses for the computer?

  • ICANN
  • URL
  • DNS
  • TCP/IP

22. You're browsing the Web, and type in www.google.com in the address line. Instead of the website, an error screen appears. You type in 216.58.214.4, and the Google website comes up. What's the most likely reason for this?

  • Address line is for the IP address only, not the domain name.
  • There’s a problem with your Internet connection.
  • Web addresses must be entered in lowercase.
  • There’s a problem in your network’s DNS configuration.

23. Which of these can resolve IPv4 address shortages? Choose all that apply.

  • Autonomous Systems
  • Network Address Translation
  • Border Gateway Protocol
  • Using IPv6 addresses

24. How many bits are in an IPv6 address?

  • 128
  • 256
  • 64
  • 32

25. IT networking involves which of these? Choose all that apply.

  • Joining professional networks
  • Designing networks
  • Building networks
  • Managing networks

26. True or false: An IP address is a unique identifier for a computer on a network.

  • True
  • False

27. What does TCP/IP stand for?

  • Transmit Control Protocol and the Intelligence Protocol
  • Transmission Control Protocol and the Interconnection Protocol
  • Transmission Control Protocol and the Internet Protocol
  • Transit Control Protocol and the Internet Protocol

28. Which of these are networking devices? Choose all that apply.

  • Routers
  • Switches
  • TCP
  • Hubs

29. What is www.google.com an example of?

  • ISP
  • HTTP
  • URL
  • ICANN

30. Concerning IP address shortages, what is the most important difference between IPv4 and IPv6?

  • IPv6 addresses are more secure.
  • There are many, many more potential IPv6 addresses than IPv4 addresses.
  • IPv6 addresses are simpler and therefore easier to remember than IPv4 addresses.
  • It will be less expensive for a company to have multiple IPv6 addresses as compared to IPv4 addresses.

31. You are having trouble connecting to the Internet, so you call your Service Provider for help. They need to know the permanent unique identifier address of your specific device so they can help troubleshoot it. What address are they asking for?

  • MAC address
  • ISP address
  • URL address
  • IP address

32. True or false: The “Internet of Things” is a new internet that human users cannot use.

  • True
  • False

33. What are some examples of IoT (Internet of Things)? Choose all that apply.

  • Refrigerators that keep track of the food and notify you when to buy more
  • Teachers who post assignments for their students on the school website
  • An online car dealership that can provide complete car history using the vehicle identification number
  • Thermostats that turn off the air conditioning when you leave the room

34. At first, what was the only kind of information that could be sent over the early internet?

  • Email
  • Media
  • Text
  • Audio

35. Which tool lets organizations use many private addresses within one public IP address?

  • ICMP
  • IP
  • HTML
  • NAT

36. Which group manages the registration of domain names?

  • Web Registrar
  • DNS
  • ICANN
  • ISP

37. What was the biggest problem with the earliest version of the Internet in the late 1960s?

  • Computers were too big and bulky for accessing the Internet.
  • The TCP/IP protocol could only be used in universities, governments, and businesses.
  • There was no way to remotely access any computer.
  • Networks couldn’t talk to each other.

Leave a Reply