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Subbing

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Networking exam quiz

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Screenshot of the homepage · subbing.net
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Its sharing image · subbing.net

Quick facts

In its own words
Subbing is a rapid-fire quiz for networking exams: subnetting, IPv6, well-known ports, VLSM, binary and hex, ACL wildcards and Linux permissions. Endless generated questions with worked solutions and a per-topic leaderboard. Free, no login.

How this listing was checked

Found on the public web and described automatically from its own website. Its website was last read on Saturday 7 November 2026.

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