Exam N10-008 topic 1 question 116 discussion

Actual exam question from CompTIA's N10-008

Question #: 116
Topic #: 1

The following instructions were published about the proper network configuration for a videoconferencing device:
"Configure a valid static RFC1918 address for your network. Check the option to use a connection over NAT."
Which of the following is a valid IP address configuration for the device?

A. FE80::1
B. 100.64.0.1
C. 169.254.1.2
D. 172.19.0.2
E. 224.0.0.12

Show Suggested Answer

Suggested Answer: D 🗳️

by waqdhiyo at Feb. 17, 2022, 8:35 p.m.

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RobJob

Highly Voted 2 years, 5 months ago

Selected Answer: D

The answer is D. RFC 1918 is a private IP address. D is the only private address Private addresses: 10.0.0.0 to 10.255.255.255 (Class A private address range). 172.16.0.0 to 172.31.255.255 (Class B private address range). 192.168.0.0 to 192.168.255.255 (Class C private address range).

upvoted 31 times

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JakeCharles

Highly Voted 1 year, 6 months ago

Selected Answer: D

RFC 1918 is a Request for Comments (RFC) document that defines a set of private IP address ranges that can be used within a private network. These addresses are not globally unique and cannot be routed on the public internet, but they can be used within a private network to avoid conflicts with public IP addresses. The private IP address ranges defined in RFC 1918 are as follows: 10.0.0.0 - 10.255.255.255 (10/8 prefix) 172.16.0.0 - 172.31.255.255 (172.16/12 prefix) 192.168.0.0 - 192.168.255.255 (192.168/16 prefix) It's important to note that these ranges were reserved for private use and not to be used by public networks.

upvoted 6 times

famco

1 year, 4 months ago

Good to remember /8 /12 /16 prefixes 10 172.16 - 172.31 192.168

upvoted 4 times

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phoenix98

Most Recent 9 months, 1 week ago

Selected Answer: D

RFC 1918 as non-routable over the Internet: • 10.0.0.0 to 10.255.255.255 (Class A private address range). • 172.16.0.0 to 172.31.255.255 (Class B private address range). • 192.168.0.0 to 192.168.255.255 (Class C private address range)

upvoted 1 times

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Hake_1

1 year ago

Is there a typo here? I'm not seeing a 10.x.x.x address as an option. I see 100.64.0.1 which is not a Class A address. As such only two of the options seem to be private addresses.

upvoted 1 times

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