Computer networking crossword with TCP, routers, firewalls, and protocols.

Crossword Puzzle

Network Protocols Crossword Puzzle

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About:

A 21-clue crossword on network protocols and hardware for middle and high school computer science classes. Clues cover TCP/IP, HTTP, SMTP, network devices like routers and switches, and infrastructure concepts such as firewalls, DHCP, and the OSI model. Use it for vocabulary review after a networking unit, a lab warm-up, or a sub activity.

Subject:: Science
Topic:: Computer Science
Grade Level:: 8th – 10th Grades
Updated March 2026

How to Use This Crossword Puzzle

Print this crossword for classroom use, homework packets, or sub plans. Click 'View Crossword' to modify clues, adjust difficulty, or add your own words before downloading as a PDF. An answer key is included with every download.