KHAN ACADEMY THE INTERNET STUDY LIST
QUESTIONS AND ANSWERS 2025-2026
WITH COMPLETE SOLUTION
Tiffany is helping a family member learn how to use Gmail.
She notices the website is using a different font and logo, and that the emails are suspiciously worded:
Tiffany suspects that gmail.com has been compromised by a DNS spoofing attack.
Which of these are good next steps?
Note that there are 2 answers to this question. Ans✔✔- Contact the Gmail team via social media or
phone
Close the Gmail tab
TCP/IP are the protocols that route data around the internet.
What are they each responsible for?
Note that there are 2 answers to this question. Ans✔✔- IP is responsible for routing of packets from
source to destination across the internet.
TCP is responsible for reliable transmission of packets.
IP v4 addresses currently cost more to lease than in the past.
What's the most likely explanation for why people are willing to pay more for IP v4 addresses now?
Ans✔✔- There are very few available IP v4 addresses in the world, and the scarcity increases the
demand.
Over the years, engineers have invented many networking technologies for LANs (local area networks).
Many are still in use, and many of the very slow ones were abandoned long ago.
The following is a sampling of LAN technologies and their bandwidths.