CCNA Cidr To Number Of Hosts Memorization

14 Questions | Total Attempts: 230

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CCNA Quizzes & Trivia

CCNA CIDR to Number of Hosts Memorization. Helps you to remember the number of hosts by looking at the CIDR notation. Note: These are the # of usable hosts. add 2 for total # of hosts.


Questions and Answers
  • 1. 
    How many hosts are available with a CIDR of /17 on a class B network?Example: 172.16.0.0/17Note: These are the # of usable hosts.
    • A. 

      8190

    • B. 

      2046

    • C. 

      32766

    • D. 

      262142

    • E. 

      16382

  • 2. 
    How many hosts are available with a CIDR of /18 on a class B network? Example: 172.16.3.8/18 Note: These are the # of usable hosts.
    • A. 

      32766

    • B. 

      8190

    • C. 

      16382

    • D. 

      126

    • E. 

      4094

  • 3. 
    How many hosts are available with a CIDR of /19 on a class B network? Example: 172.16.2.0/19 Note: These are the # of usable hosts.
    • A. 

      16382

    • B. 

      32766

    • C. 

      126

    • D. 

      8190

    • E. 

      1022

  • 4. 
    How many hosts are available with a CIDR of /20 on a class B network? Example: 172.16.0.0/20 Note: These are the # of usable hosts.
    • A. 

      4094

    • B. 

      32766

    • C. 

      8190

    • D. 

      2046

    • E. 

      254

  • 5. 
    How many hosts are available with a CIDR of /21 on a class B network? Example: 172.16.0.0/21 Note: These are the # of usable hosts.
    • A. 

      4096

    • B. 

      8190

    • C. 

      254

    • D. 

      126

    • E. 

      2046

  • 6. 
    How many hosts are available with a CIDR of /22 on a class B network? Example: 172.16.0.0/22 Note: These are the # of usable hosts.
    • A. 

      2046

    • B. 

      8190

    • C. 

      510

    • D. 

      1022

    • E. 

      254

  • 7. 
    How many hosts are available with a CIDR of /23 on a class B network? Example: 172.16.0.0/23 Note: These are the # of usable hosts.
    • A. 

      126

    • B. 

      62

    • C. 

      14

    • D. 

      254

    • E. 

      510

  • 8. 
    How many hosts are available with a CIDR of /24 on a class B network? Example: 172.16.0.0/24 Note: These are the # of usable hosts.
    • A. 

      254

    • B. 

      1022

    • C. 

      2046

    • D. 

      126

    • E. 

      62

  • 9. 
    How many hosts are available with a CIDR of /25 on a class C network? Example: 192.168.1.1/25 Note: These are the # of usable hosts.
    • A. 

      2

    • B. 

      6

    • C. 

      30

    • D. 

      14

    • E. 

      126

  • 10. 
    How many hosts are available with a CIDR of /26 on a class C network? Example: 192.168.1.1/26 Note: These are the # of usable hosts.
    • A. 

      126

    • B. 

      62

    • C. 

      30

    • D. 

      14

    • E. 

      2

  • 11. 
    How many hosts are available with a CIDR of /27 on a class C network? Example: 192.168.1.1/27 Note: These are the # of usable hosts.
    • A. 

      32

    • B. 

      30

    • C. 

      64

    • D. 

      62

    • E. 

      128

  • 12. 
    How many hosts are available with a CIDR of /28 on a class C network? Example: 192.168.1.1/28 Note: These are the # of usable hosts.
    • A. 

      16

    • B. 

      128

    • C. 

      14

    • D. 

      6

    • E. 

      2

  • 13. 
    How many hosts are available with a CIDR of /29 on a class C network? Example: 192.168.1.1/29 Note: These are the # of usable hosts.
    • A. 

      128

    • B. 

      126

    • C. 

      8

    • D. 

      6

    • E. 

      14

  • 14. 
    How many hosts are available with a CIDR of /30 on a class C network? Example: 192.168.1.1/30 Note: These are the # of usable hosts.
    • A. 

      4

    • B. 

      3

    • C. 

      2

    • D. 

      5

    • E. 

      6