CCNA Practice Tests
CCNA Home Page
CCNA Practice Test
Routing and Switching
Security
Data Center
Service Provider
Voice
Wireless
Contact
Privacy Policy
Take a Practice Test
CCNA Practice Test
Routing and Switching
Security
Data Center
Service Provider
Voice
Wireless
CCNA Service Provider Practice Test
Question 1 of 3
Given these four Class B networks: 172.104.0.0, 172.105.0.0, 172.106.0.0, 172.107.0.0, what is the supernet (CIDR) address that summarizes these four Class B networks?
A
172.104.0.0/12
B
172.104.0.0/14
C
172.104.0.0/11
D
172.104.0.0/13
E
172.104.0.0/15
Next