CompTIA
N10-005 · Question #617
N10-005 Question #617: Real Exam Question with Answer & Explanation
The correct answer is B: A router. A router is required to connect multiple subnets to the Internet in a SOHO environment. It provides both inter-subnet routing and Internet connectivity, typically via NAT.
Question
A small business owner is in the process of setting up a SOHO office. The office has only one connection to the Internet via a broadband cable connection. The office has four subnets that must be able to connect to the Internet. Which of the following devices would enable the owner to meet these requirements?
Options
- AA firewall
- BA router
- CA hub
- DA Layer 2 switch
Explanation
A router is required to connect multiple subnets to the Internet in a SOHO environment. It provides both inter-subnet routing and Internet connectivity, typically via NAT.
Common mistakes.
- A. A firewall controls traffic based on security policies but does not inherently perform inter-subnet routing or NAT to share a single Internet connection across multiple subnets.
- C. A hub is a Layer 1 device that only broadcasts signals to all ports within a single collision domain and has no routing or subnet awareness.
- D. A Layer 2 switch forwards frames based on MAC addresses within the same subnet and cannot route traffic between different subnets or to the Internet.
Concept tested. Router function in multi-subnet SOHO environments
Reference. https://www.cisco.com/c/en/us/support/docs/ip/network-address-translation-nat/26704-nat-faq-00.html
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