by BlastRoom
Practice distinguishing network addresses, DNS lookups, and the parts of web addresses.
#computer_science

40 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.

The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
A student sees these strings: 192.168.1.14, 2001:db8::8a2e:370:7334, 00-1B-44-11-3A-B7, and library.school.edu. Which string is an IPv4 address?
Four strings appear in a network log: 10.0.0.8, 2606:4700:4700::1111, A4:5E:60:12:34:56, and portal.example.org. Which one is an IPv6 address?
A device list includes 172.20.4.9, 2001:db8:abcd:1::2, 3C-52-82-A1-09-FF, and science.school.net. Which string is a MAC address?
Which of these strings is a domain name rather than an IP or MAC address: 8.8.4.4, 2001:4860:4860::8844, 70:85:C2:9A:1F:03, or museum.example.com?
A router reports 203.0.113.27, 2001:db8:10:20::27, 5E:19:AA:0C:72:91, and games.district.edu. Which string identifies an IPv4 network address?
Which entry is an IPv6 address: 192.0.2.44, 2001:db8:0:1:2:3:4:5, 18-66-DA-BC-20-01, or archive.school.org?
A technician copies these identifiers: 198.51.100.6, 2001:db8::6, 9A:BC:DE:F0:12:34, and attendance.example.edu. Which one is a MAC address?
From this list, which string is a domain name: 172.16.0.12, fe80::1, 08:00:27:4B:9C:D1, or login.citylibrary.gov?
Consider the URL https://shop.example.com/kids/shoes/index.html. Which part names the host the browser contacts?
In the URL https://news.example.org:8443/today?topic=tech#top, which part is the protocol scheme?
A browser opens https://portal.school.edu/classes/biology. Which portion is the path on the server?
Look at https://catalog.example.com:8080/books. What does 8080 identify in this URL?
In https://www.history.example.edu/articles?year=1969, which portion is the query string?
For the URL https://maps.example.com/parks#directions, what is #directions called?
A student types http://blog.example.net/posts/7. Which part is the domain name used as the host?
In https://store.example.com/products?color=blue&size=m, which part tells the server the requested resource path?
For https://help.example.org/guides/start.html, which part is the top-level domain?
A browser is about to visit https://weather.example.com/today. What information does a DNS query for weather.example.com normally request?
A DNS server answers a query for library.school.edu with 198.51.100.42. What does that response provide?
A client asks DNS about video.example.net, but DNS has no record for that name. What happens when the browser tries to open https://video.example.net/watch?
A student says DNS downloads the page for https://art.example.edu/gallery. Which correction is accurate?
A DNS lookup for api.example.com can be answered by servers spread around the world instead of one central computer. What is a main benefit of this design?
A DNS reply gives 2001:db8:4::25 for portal.example.org. What kind of result is this?
When the browser looks up docs.example.com, which item is DNS least likely to return as the answer to that lookup?
A client asks DNS for cdn.example.org and receives a record pointing to edge.example.net. What is DNS providing?
Why might a browser perform DNS lookups again after some time for stream.example.com?
A configuration form accepts three IPv4 addresses and rejects one. Which address is not a valid IPv4 address?
Which printed string is a well-formed IPv4 address?
Which address would be rejected because it has an invalid IPv4 octet?
A student enters 192.168.1.1. Which fact makes this a correctly formed IPv4 address?
Which string is a well-formed IPv6 address?
Which string cannot be an IPv4 address because it has the wrong number of dot-separated parts?
An IPv4 address such as 255.0.0.1 is written as four numbers, each from 0 to 255. How many bits long is a full IPv4 address?
A school moves portal.school.edu to a new server with a different IP address and updates DNS. Students still type https://portal.school.edu/home. Why can they reach the new server?
Two URLs, https://www.example.com/news and https://www.example.com/sports, use the same host name. What can DNS resolve www.example.com to?
A company changes its public domain from old.example.com to new.example.com, but both names are configured in DNS to resolve to 198.51.100.80. What does this show?
A student enters https://203.0.113.9/info instead of https://site.example.com/info. Which statement best compares the two URLs?
The domain photos.example.org resolves to different IP addresses at different times. What is the most likely reason?
A browser has obtained the IP address for api.example.edu from DNS. What is the browser able to do next?
Why is https://calendar.school.edu/events easier for people to use than a URL with only a numeric host such as https://198.51.100.17/events?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.

Pick a tile, answer, hit bonuses and steals.
Bandwidth, Latency and Bitrate
20 questions