Cisco CCNA Service Provider Question of the Week

CCNASPofw02

Which two of these addresses are private IP addresses? (Pick 2)

  1. 164.254.1.19
  2. 127.101.1.19
  3. 10.199.1.19
  4. 225.245.1.19
  5. 172.16.1.19

The correct answer is 3 and 5.

Private address space, RFC 1918, is 10.0.0.0/8, 172.16-31.0.0/16, and 192.168.0-255.0/24.

Related Courses:
SPNGN1 – Building Cisco Service Provider Next-Generation Networks, Part 1
SPNGN2 – Building Cisco Service Provider Next-Generation Networks, Part 2

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2 comments

  1. Dave Reply

    Hi I thought the Private addresses were as follows

    10.0.0.0 /8
    172.16. – 172.31.0.0 /12
    192.168.0 – 255.0 /16

  2. Mattias Reply

    Yes, that´s correct the 172.16. total range for private addresses are 12-bit.