ip question

catinthehatcatinthehat Member Posts: 9 ■□□□□□□□□□
I have been going over questions on quizlet and this question is the the second one i've seen like this that stumped me, and I dont know why. The question is...

which of the following is a public class c IP address

A:4.2.2.2
b:194.178.12.54
c:175.35.46.60
d:192.168.1.34

I know the class distinctions so obviously A and C are out. but I dont understand why B and D both dont work. Thank you for your help.

Comments

  • thomas_thomas_ Member Posts: 1,012 ■■■■■■■■□□
    The keyword is "public". Look up the private network ranges and you'll have your answer.
  • Armitron77Armitron77 Member Posts: 134 ■■■□□□□□□□
    I have been going over questions on quizlet and this question is the the second one i've seen like this that stumped me, and I dont know why. The question is...

    which of the following is a public class c IP address

    A:4.2.2.2
    b:194.178.12.54
    c:175.35.46.60
    d:192.168.1.34

    I know the class distinctions so obviously A and C are out. but I dont understand why B and D both dont work. Thank you for your help.


    To answer the question and explain, please look at the IP Address ranges and read the following.

    The Public IPv4 address is as follows:

    Class A: 1 - 126
    Class B: 128 - 191
    Class C: 192 - 223
    Class D: 224 - 239 - Multi-casting
    Class E: 240 - 255 - Experimental

    The Private IPv4 addresses is as follows:

    Class A: 10.0.0.0 - 10.255.255.255
    Class B: 172.16.0.0 - 172.31.255.255
    Class C: 192.168.0.0 - 192.168.255.255

    The question asks, "Which of the following is a public class "C" IP address?"

    The answer is "B" because the 194.178.12.54 IP address falls into the Public Class "C" IP address range of 192 - 223.

    The 192.168.1.34 is a Private IP address which falls into the 192.168.0.0 - 192.168.255.255 range. Therefore, the answer is not "D".

    Hope this helps in terms of explanation. Good luck. icon_thumright.gif
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  • SpetsRepairSpetsRepair Member Posts: 210 ■■■□□□□□□□
    Public vs private there is a difference

    RFC 1918
  • Net_GenuisNet_Genuis Member Posts: 8 ■□□□□□□□□□
    B is the right answer - Back to your books, need more reading on that part !
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