N10-009 · Question #362
N10-009 Question #362: Real Exam Question with Answer & Explanation
The correct answer is A: The server has an incorrect subnet mask. The server's subnet mask is 255.255.255.224 (/27), which covers IPs from 192.168.100.224 to 192.168.100.255. However, the router only recognizes 192.168.100.0/24, indicating a mismatch between the server's subnet and the router's network. Correct mask for the /24 network is 255.2
Question
A network engineer is troubleshooting connectivity for a newly installed server on an existing VLAN. The engineer reviews the following requested output: The engineer then logs in to the router and runs the following: Which of the following describes the issue?
Options
- AThe server has an incorrect subnet mask
- BThere is a duplicate IP address on the network
- CThe DHCP address pool is exhausted
- DThe router is missing a default route
Explanation
The server's subnet mask is 255.255.255.224 (/27), which covers IPs from 192.168.100.224 to 192.168.100.255. However, the router only recognizes 192.168.100.0/24, indicating a mismatch between the server's subnet and the router's network. Correct mask for the /24 network is 255.255.255.0, allowing 256 IPs from 192.168.100.0 to 192.168.100.255. This mismatch would result in routing issues, especially with the gateway outside of the subnet
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