CompTIA
220-802 · Question #895
220-802 Question #895: Real Exam Question with Answer & Explanation
The correct answer is A: 10.1.16.1. By convention, the first usable host address (.1) in a subnet is most commonly assigned as the default gateway.
Question
Which of the following IP addresses would MOST likely be the default gateway for 10.1.16.184?
Options
- A10.1.16.1
- B10.1.16.254
- C10.10.144.1
- D105.24.133.1
Explanation
By convention, the first usable host address (.1) in a subnet is most commonly assigned as the default gateway.
Common mistakes.
- B. 10.1.16.254 is in the same subnet but .254 is a less common gateway convention compared to .1, though technically valid.
- C. 10.10.144.1 is in a completely different network than 10.1.16.184 and would not be on the same subnet as a local gateway.
- D. 105.24.133.1 is a public IP address in a different Class A range entirely and cannot be a local subnet gateway for a 10.x.x.x address.
Concept tested. Default gateway address convention in subnetting
Reference. https://learn.microsoft.com/en-us/troubleshoot/windows-client/networking/default-gateway-address
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