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Grade 12 Networks & the Internet Worksheet with Answers
Grade 12 (US) · Year 13 (UK) · Class 12 (India) · Computer Science
Unit 4: Networks & SecurityNetworks
How networks move data: devices, IP addresses, packets and download times. This free high school worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.
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Practice Sheetaethelsystems.comNetworks & the Internet
Grade 12 · Computer Science
Name
Class
Date
Learning goal: Networks
Directions: Read each question and circle the best answer.
Which protocol keeps web pages secure with encryption: FTP, SMTP, or HTTPS?
Answer: HTTPS
RememberHow data travels
- 1
Which device turns your typing into data the computer reads: speaker, keyboard, or router?
SpeakerKeyboardRouter - 2
Which device stores websites and sends them to visitors: mouse, scanner, or server?
MouseScannerServer - 3
Which device stores websites and sends them to visitors: server, scanner, or mouse?
ServerScannerMouse - 4
Which device sends data between different networks: monitor, printer, or router?
MonitorPrinterRouter - 5
Which device turns your typing into data the computer reads: keyboard, speaker, or router?
KeyboardSpeakerRouter - 6
Which device turns your typing into data the computer reads: speaker, router, or keyboard?
SpeakerRouterKeyboard - 7
Which technology connects devices without cables using radio waves: WiFi, USB, or HDMI?
WiFiUSBHDMI - 8
A 18 MB file is split into packets of 1.5 MB. How many packets are sent?
- 9
Is 111.149.219.291 a valid IPv4 address (each part 0–255)?
YesNo - 10
A 10.5 MB file is split into packets of 1.5 MB. How many packets are sent?
- 11
Is 96.141.20.302 a valid IPv4 address (each part 0–255)?
YesNo - 12
A 7.5 MB file is split into packets of 1.5 MB. How many packets are sent?
★ Challenge corner for fast finishers
What is the largest whole number you can store in 5 bits?
How did I do?
Teacher's comments
Free printable worksheets with answer keys · aethelsystems.com/worksheets/computer/12/networks_internet
Answer key — Networks & the Internet (Grade 12)
- 1.keyboard
- 2.server
- 3.server
- 4.router
- 5.keyboard
- 6.keyboard
- 7.WiFi
- 8.12
- 9.no
- 10.7
- 11.no
- 12.5
- ★31
Answer key (click to show)
- 1.keyboard
- 2.server
- 3.server
- 4.router
- 5.keyboard
- 6.keyboard
- 7.WiFi
- 8.12
- 9.no
- 10.7
- 11.no
- 12.5
- ★31 (challenge corner)
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