Subnetting & CIDR Practice Quiz - Master subnetting & cidr with 25 comprehensive practice questions. Practice subnet math, CIDR notation, VLSM design, supernetting, RFC 1918 private addressing, and APIPA recognition. Essential for n10-009 certification exams. Requires Pro subscription ($9.99/month) which unlocks all 28 micro quiz topics + all certification practice exams. Free sample questions available below.
Practice subnet math, CIDR notation, VLSM design, supernetting, RFC 1918 private addressing, and APIPA recognition.
$9.99/month • IT certification practice test questions
This comprehensive Subnetting & CIDR quiz covers all essential concepts you need to master for your IT certification exam. With 25 carefully crafted questions, you'll test your knowledge across multiple difficulty levels.
Which CIDR prefix length corresponds to the subnet mask 255.255.255.0?
✓ Correct Answer: A
A /24 mask sets the first 24 bits, which is 255.255.255.0 (three full octets of ones). A /16 is 255.255.0.0, a /25 is 255.255.255.128, and a /23 is 255.255.254.0, so those values do not match the mask shown.
Which address range is reserved for private use under RFC 1918?
✓ Correct Answer: B
RFC 1918 reserves 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16 for private addressing. 169.254.0.0/16 is APIPA link-local, while 192.0.2.0/24 and 198.51.100.0/24 are TEST-NET documentation ranges, not private host space.
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Get Pro - $9.99/monthUnderstanding Subnetting & CIDR is crucial for passing your IT certification exam. This topic frequently appears in n10-009 exams and represents fundamental knowledge that IT professionals use daily.
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Questions
25 Questions
Duration
~15 minutes
Difficulty
Mixed Levels
This quiz contains 25 comprehensive questions covering all aspects of Subnetting & CIDR. Questions range from easy to hard difficulty levels to thoroughly test your knowledge.
This topic is specifically relevant for n10-009 certification exams. Understanding Subnetting & CIDR is essential for passing these exams.
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