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A network administrator is adding two new hosts to SwitchA. Which three values could be used for the configuration of these hosts?

Refer to the exhibit.

image

A network administrator is adding two new hosts to SwitchA. Which three values could be used for the configuration of these hosts? (Choose three.)

A. host A IP address: 192.168.1.79
B. host A IP address: 192.168.1.64
C. host A default gateway: 192.168.1.78
D. host B IP address: 192.168.1.128
E. host B default gateway: 192.168.1.129
F. host B IP address: 192.168.1.190

Answer : A, C, F

Explanation:

Refer to the exhibit. Host A connected to Port 6 and Host B connected to Port 9. Also Port 6 and Port 9 associated with VLAN10 AND VLAN 20 respectively.
In router Rtr1, the sub-interface fa0/0.10 and fa0/0.20 ‘s IP address will be used for Default Gateway for Host A and Host B.

First take the IP address of fa0/0.10 – 192.168.1.78 /27 (255.255.255.224)
Its IP range will be 192.168.1.65 – 192.168.1.94
Network Address – 192.168.1.64, Broadcast Address – 192.168.1.95

Second take the IP address of fa0/0.20 – 192.168.1.130 /26 (255.255.255.192)
Its IP range will be 192.168.1.129 – 192.168.1.190
Network Address – 192.168.1.128, 192.168.1.191


Now the Answers:

A. host A IP address: 192.168.1.79 – The IP address 192.168.1.79 is in the IP range of VLAN10. So this IP address can be assigned to Host A.

B. host A IP address: 192.168.1.64 – The IP address 192.168.1.64 is the network address. So incorrect choice.

C. host A default gateway: 192.168.1.78 – The IP address of Rtr1’s fa0/0.10 = 192168.1.78. So the IP address 192.168.1.78 must be default gateway for Host B.

D. host B IP address: 192.168.1.128 – The IP address 192.168.1.128 is the network address. So incorrect choice.

E. host B default gateway: 192.168.1.129 - The IP address of Rtr1’s fa0/0.10 = 192168.1.190. So the IP address 192.168.1.190 must be default gateway for Host B. Not 192.168.1.129.

F. host B IP address: 192.168.1.190 - The IP address 192.168.1.190 is in the IP range of VLAN20. So this IP address can be assigned to Host A.

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