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Exam Nokia 4A0-100 topic 1 question 81 discussion

Actual exam question from Nokia's Nokia 4A0-100
Question #: 81
Topic #: 1
[All Nokia 4A0-100 Questions]

Which of the following is a private IP network address reserved by the IANA?

  • A. 172.30.0.0/16
  • B. 192.100.0.0/24
  • C. 172.0.0.0/16
  • D. 169.254.0.0/16
  • E. 11.0.0.0/8
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Suggested Answer: A 🗳️

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aclouder
4 months ago
Answer is D. Module 4 - Nokia IP Networks and Services Fundamentals v4.1 Four intervals of private IP addresses are available: 10.0.0.0/8 169.254.0.0/16 for automatic private IP addressing 172.16.0.0/12 192.168.0.0/16
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half_dream
1 year, 5 months ago
To determine which of the given IP addresses is a valid host address within the subnet, we need to consider the subnet mask: 172.16.224.255/18 - MASK: 11111111.11111111.11|000000.00000000 - To determine if an IP address is a valid host address, we need to check if the host portion (the last 14 bits) is all zero or all ones. - HOST: 10101100.0001 0000.11|000000.11111111 - That's a valid host. 255.255.255.255/32 - That's a Broadcast. 224.1.2.1/8 - That range is reserved for multicast address. 192.168.24.59/30 - MASK: 11111111.11111111.11111111.111111|00 - To determine if an IP address is a valid host address, we need to check if the host portion (the last 2 bits) is all zero or all ones. - HOST: 1100 0000.10101000.00011000.001110|11 - That's a Broadcast. So, the correct answer is A.
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GrayMare
2 years, 3 months ago
Selected Answer: D
169.254.0.0/16 is a reserved private address for automatic private addressing
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GrayMare
2 years, 3 months ago
In the course's reference the 169.254.0.0/16 is the right answer
upvoted 1 times
GrayMare
2 years, 3 months ago
though, 172.30.0.0/16 is not an accurate answer, but still is a valid one because it is derived from the 172.16.0.0/12 private address
upvoted 2 times
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