Subnet Speed Practice #2: Answers

certskills
By certskills May 31, 2011 12:47

This post makes no sense without reading this post first. The earlier post lists 5 subnetting problems, and tells you to time yourself. The answers are below the fold in this post. Don’t look til you try it for yourself! Post questions if you have them.

Problem Network Bits Subnet Bits Host Bits # Hosts
10.1.1.1/23 8 15 9 510
172.16.203.203/25 16 9 7 126
192.168.1.161/29 24 5 3 6
10.1.99.101/26 8 18 6 62
172.16.77.177/27 16 11 5 30
  Subnet ID 1st Addr. last Addr. B’cast
1 10.1.0.0 10.1.0.1 10.1.1.254 10.1.1.255
2 172.16.203.128 172.16.203.129 172.16.203.254 172.16.203.255
3 192.168.1.160 192.168.1.161 192.168.1.166 192.168.1.167
4 10.1.99.64 10.1.99.65 10.1.99.126 10.1.99.127
5 172.16.77.160 172.16.77.161 172.16.77.190 172.16.77.191
Subnetting Speed Practice 2
Serial Link Interview Question
certskills
By certskills May 31, 2011 12:47
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4 Comments

  1. Karma March 16, 18:02

    Is 2min per question too slow?

    Reply to this comment
  2. JAMES December 21, 11:58

    Took me 12 min – 30 sec; practice makes perfect!
    Will keep at it!

    Reply to this comment
    • CCENTSkills January 18, 10:28

      James – that is the right attitude!
      Helps to do a little every day! Do it!

      Have fun, hope you’re sticking with it!
      Wendell

      Reply to this comment
  3. Bryant January 22, 20:36

    It took me 8 mins. I am going to keep practicing

    Reply to this comment
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