CompTIA Network+

Category - Media & Topologies

Jane is a new network consultant and is designing a new network for a small business. She sees that the business will have fewer than 200 hosts that will need IP addresses. Jane knows that a Class C address should support this perfectly. She also knows that the private address range starts at 192, so she decides to make the address range 192.0.0.1 through 192.0.0.254. What, if anything, is wrong with Jane’s choice of addresses?
  1. Nothing is wrong, her choice is perfect
  2. 192.0.0.x is private, but reserved for military use
  3. 192.0.0.x is private, but most routers will not support that range
  4. 192.0.0.x is a public address range
Explanation
Answer: D - Class C private addresses are in the range from 192.168.0.0 to 192.168.255.255 with a subnet mask of 255.255.255.0.
Key Takeaway: Private IP addresses are addresses that are guaranteed never to be assigned to any specific entity. Private Class C addresses start with 192.168, and have a subnet mask of 255.255.255.0.
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