CCNA Cidr To Subnet Memorization

14 Questions | Total Attempts: 398

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CCNA Quizzes & Trivia

Quiz to help your remember the most common CIDR Subnet masks. ie. . . What is the subnet mask for a CIDR of /25? This quiz is for the most common CIDR's ranging from /17 - /30


Questions and Answers
  • 1. 
    What is the subnet mask for a CIDR of /17? Note: Class B
  • 2. 
    What is the subnet mask for a CIDR of /18?Note: Class B
  • 3. 
    What is the subnet mask for a CIDR of /19?Note: Class B
  • 4. 
    What is the subnet mask for a CIDR of /20?Note: Class B
  • 5. 
    What is the subnet mask for a CIDR of /21?Note: Class B
  • 6. 
    What is the subnet mask for a CIDR of /22?Note: Class B
  • 7. 
    What is the subnet mask for a CIDR of /23?Note: Class B
  • 8. 
    What is the subnet mask for a CIDR of /24?Note: Class C
  • 9. 
    What is the subnet mask for a CIDR of /25? Note: Class C
  • 10. 
    What is the subnet mask for a CIDR of /26? Note: Class C
  • 11. 
    What is the subnet mask for a CIDR of /27? Note: Class C
  • 12. 
    What is the subnet mask for a CIDR of /28? Note: Class C
  • 13. 
    What is the subnet mask for a CIDR of /29? Note: Class C
  • 14. 
    What is the subnet mask for a CIDR of /30? Note: Class C