Route Summarization

1. Which of the following summarized subnets is the smallest (smallest range of addresses)
summary route that includes subnets 10.3.95.0, 10.3.96.0, and 10.3.97.0, mask 255.255.255.0?
a. 10.0.0.0 255.0.0.0
b. 10.3.0.0 255.255.0.0
c. 10.3.64.0 255.255.192.0
d. 10.3.64.0 255.255.224.0

2. Which of the following summarized subnets are not valid summaries that include subnets
10.1.55.0, 10.1.56.0, and 10.1.57.0, mask 255.255.255.0? (Choose two answers.)
a. 10.0.0.0 255.0.0.0
b. 10.1.0.0 255.255.0.0
c. 10.1.55.0 255.255.255.0
d. 10.1.48.0 255.255.248.0
e. 10.1.32.0 255.255.224.0
3. Which of the following would be considered the best subnet/mask to add for a new
summary route that summarizes routes for subnets 10.1.12.0/24, 10.1.14.0/24, and 10.1.15.0/24?
a. 10.1.0.0/20
b. 10.1.8.0/21
c. 10.1.12.0/21
d. 10.1.12.0/22
4. Which of the following would be considered the best subnet/mask to add for a new summary
route that summarizes routes for subnets 192.168.1.64/28, 192.168.1.80/28, and 192.168.1.96/28?
a. 192.168.1.0/25
b. 192.168.1.64/26
c. 192.168.1.32/26
d. 192.168.1.64/27