Answer Key - Router Alley
Answer Key - Router Alley
Answer Key - Router Alley
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Wildcard Mask Exercises v1.10 – Aaron Balchunas<br />
1<br />
- Wildcard Mask Exercises -<br />
1. You wish to match all hosts on the 192.168.1.0/24 network. What address and<br />
wildcard mask combination should you use?<br />
192.168.1.0 0.0.0.255<br />
2. You wish to match the specific host 172.16.1.1. What address and wildcard<br />
mask combination should you use?<br />
172.16.1.1 0.0.0.0<br />
3. You wish to match all possible hosts. What address and wildcard mask<br />
combination should you use?<br />
0.0.0.0 255.255.255.255<br />
4. You wish to match the following addresses: 10.1.1.16-31. What address and<br />
wildcard mask combination should you use?<br />
10.1.1.16 0.0.0.15<br />
* * *<br />
All original material copyright © 2006 by Aaron Balchunas (aaron@routeralley.com),<br />
unless otherwise noted. All other material copyright © of their respective owners.<br />
This material may be copied and used freely, but may not be altered or sold without the expressed written consent of the<br />
owner of the above copyright. Updated material may be found at http://www.routeralley.com.
Wildcard Mask Exercises v1.10 – Aaron Balchunas<br />
5. You wish to match all even addresses on the 10.1.1.x/24 network. What<br />
address and wildcard mask combination should you use?<br />
2<br />
10.1.1.0 0.0.0.254<br />
6. You wish to match all odd addresses on the 10.1.1.x/24 network. What<br />
address and wildcard mask combination should you use?<br />
10.1.1.1 0.0.0.254<br />
7. You have the following address space: 10.x.x.x/8. You wish to match any<br />
address in the second and fourth octets, but the first and third must be:<br />
10.x.10.x. What address and wildcard mask combination should you use?<br />
10.0.10.0 0.255.0.255<br />
* * *<br />
All original material copyright © 2006 by Aaron Balchunas (aaron@routeralley.com),<br />
unless otherwise noted. All other material copyright © of their respective owners.<br />
This material may be copied and used freely, but may not be altered or sold without the expressed written consent of the<br />
owner of the above copyright. Updated material may be found at http://www.routeralley.com.
Wildcard Mask Exercises v1.10 – Aaron Balchunas<br />
8. You wish to match all odd addresses from 192.168.1.32-64. What address and<br />
wildcard mask combination should you use?<br />
3<br />
192.168.1.33 0.0.0.30<br />
* * *<br />
All original material copyright © 2006 by Aaron Balchunas (aaron@routeralley.com),<br />
unless otherwise noted. All other material copyright © of their respective owners.<br />
This material may be copied and used freely, but may not be altered or sold without the expressed written consent of the<br />
owner of the above copyright. Updated material may be found at http://www.routeralley.com.