LX0-104 · Question #457
Which of the following IP networks does RFC1918 reserve for use on private intranets?(Choose two)
The correct answer is A. 10.0.0.0 E. 192.168.0.0. RFC 1918 defines specific private IP address ranges for use within internal networks, which are not routable on the public internet.
Question
Options
- A10.0.0.0
- B224.0.0.0
- C199.14.0.0
- D172.152.0.0
- E192.168.0.0
How the community answered
(19 responses)- A95% (18)
- C5% (1)
Why each option
RFC 1918 defines specific private IP address ranges for use within internal networks, which are not routable on the public internet.
The 10.0.0.0/8 (10.0.0.0 to 10.255.255.255) address block is one of the three private IP address ranges specified by RFC 1918 for private networks.
224.0.0.0 is part of the Class D range (224.0.0.0 to 239.255.255.255) reserved for multicast addressing, not private intranets.
199.14.0.0 is a public IP address range and is not reserved for private use.
172.152.0.0 falls outside the private Class B range (172.16.0.0 to 172.31.255.255) defined by RFC 1918, making it a public IP address.
The 192.168.0.0/16 (192.168.0.0 to 192.168.255.255) address block is another of the three private IP address ranges specified by RFC 1918 for private networks.
Concept tested: RFC 1918 Private IP Address Ranges
Source: https://www.rfc-editor.org/rfc/rfc1918.html
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