Cisco 200-125 Exam

Refer to the diagram. All hosts have connectivity with one another. Which statements describe the addressing scheme that is in use in the network? (Choose three.)

  • A. The subnet mask in use is 255.255.255.192.
  • B. The subnet mask in use is 255.255.255.128.
  • C. The IP address 172.16.1.25 can be assigned to hosts in VLAN1
  • D. The IP address 172.16.1.205 can be assigned to hosts in VLAN1
  • E. The LAN interface of the router is configured with one IP address.
  • F. The LAN interface of the router is configured with multiple IP addresses.
Answer: Option B. C. F.
Explanation: 
With over 62 hosts in each VLAN, the subnet size for each must be at least /25 which is the same as 255.255.255.128 (B). So the range of VLAN 1 is 172.16.1.0 to 172.16.1.127, and for VLAN 2 it is 172.16.1.128 to 172.16.1.255. This puts the IP address 172.16.1.25 into VLAN 1 (C). The router needs an IP address from each VLAN so it can route packets between them (F).

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