N10-005 · Question #421
After deploying a network switch, the network administrator is unable to remotely administer the device. The network administrator notices that the switch has the following configuration. Which of…
The correct answer is D. Wrong gateway. The management interface is correctly placed on the 192.168.10.0/24 network (IP 192.168.10.2), but the default gateway is set to 192.168.11.1 - which is on a completely different subnet (192.168.11.0/24). A router can only serve as a default gateway if it shares the same subnet…
Question
After deploying a network switch, the network administrator is unable to remotely administer the device. The network administrator notices that the switch has the following configuration. Which of the following is the MOST likely cause of this issue? Management LAN: 192.168.10.0/24 Management interfacE. 192.168.10.2 255.255.255.0 Default gateway: 192.168.11.1 STP is enabled
Options
- AVLAN assignment
- BWrong subnet mask
- CSwitching loop
- DWrong gateway
How the community answered
(50 responses)- A6% (3)
- B14% (7)
- C4% (2)
- D76% (38)
Explanation
The management interface is correctly placed on the 192.168.10.0/24 network (IP 192.168.10.2), but the default gateway is set to 192.168.11.1 - which is on a completely different subnet (192.168.11.0/24). A router can only serve as a default gateway if it shares the same subnet as the device using it. Because the gateway IP is unreachable from 192.168.10.0/24, the switch cannot route traffic off its local segment, making remote administration from outside that subnet impossible. The correct gateway should be an address within 192.168.10.0/24 (e.g., 192.168.10.1). The subnet mask, VLAN, and STP configuration all appear normal.
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