05-01-2012, 12:21 PM
The networks connected to router R2 have been summarized as a 192.168.176.0/21 route and
sent to R1. Which two packet destination addresses will R1 forward to R2? (Choose two.)
A. 192.168.194.160
B. 192.168.183.41
C. 192.168.159.2
D. 192.168.183.255
E. 192.168.179.4
F. 192.168.184.45
Answer: B, E
Why answer B,E correct? why other options are incorrect?
The Ethernet networks connected to router R1 in the graphic have been summarized for router
R2 as 192.1.144.0/20. Which of the following packet destination addresses will R2 forward to R1,
according to this summary? (Choose two.)
A. 192.1.159.2
B. 192.1.160.11
C. 192.1.138.41
D. 192.1.151.254
E. 192.1.143.145
F. 192.1.1.144
Answer: A, D
Why answer A,D correct? why other options are incorrect?