Subnetting

11. You need to configure a server that is on the subnet 192.168.19.24/29. The router has the first available host address. Which of the following should you assign to the server?

A. 192.168.19.0 255.255.255.0
B. 192.168.19.33 255.255.255.240
C. 192.168.19.26 255.255.255.248
D. 192.168.19.31 255.255.255.248

Correct Answer: C. 192.168.19.26 255.255.255.248

12. You have an interface on a router with the IP address of 192.168.192.10/29. What is the broadcast address the hosts will use on this LAN?

A. 192.168.192.15
B. 192.168.192.31
C. 192.168.192.63
D. 192.168.192.127

Correct Answer: A. 192.168.192.15

13. You have a network with a subnet of 172.16.17.0/22. Which is the valid host address?

A. 172.16.17.1 255.255.255.252
B. 172.16.0.1 255.255.240.0
C. 172.16.20.1 255.255.254.0
D. 172.16.18.255 255.255.252.0

Correct Answer: D. 172.16.18.255 255.255.252.0

14. On a VLSM network, which mask should you use on point-to-point WAN links in order to reduce the waste of IP addresses?

A. /27
B. /28
C. /29
D. /30

Correct Answer: D. /30

15. To test the IP stack on your local host, which IP address would you ping?

A. 127.0.0.0
B. 1.0.0.127
C. 127.0.0.1
D. 127.0.0.255

Correct Answer: C. 127.0.0.1

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