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public address

leepeiwai
Beginner
Beginner

The answers for the question below are 1,4,6

Why 5. is not a valid public address? which i think it is a class C network 192.15.301.0 /24.

Which three addresses are valid public addresses? (Choose three.)
1.198.133.219.17
2.192.168.1.245
3.10.15.250.5
4.128.107.12.117
5.192.15.301.240
6.64.104.78.227

1 ACCEPTED SOLUTION

Accepted Solutions

Giuseppe Larosa
Hall of Fame Master Hall of Fame Master
Hall of Fame Master

Hello Peiwai,

dotted decimal notation shows 32 bit IPv4 addresses as a.b.c.d

so between two dots . you can see a number betweeen 0 and 255.

301 in third byte does not fit in 8 bits and so answer 5 is not a valid IP address, regardless of being public or private

Hope to help

Giuseppe

View solution in original post

2 REPLIES 2

Giuseppe Larosa
Hall of Fame Master Hall of Fame Master
Hall of Fame Master

Hello Peiwai,

dotted decimal notation shows 32 bit IPv4 addresses as a.b.c.d

so between two dots . you can see a number betweeen 0 and 255.

301 in third byte does not fit in 8 bits and so answer 5 is not a valid IP address, regardless of being public or private

Hope to help

Giuseppe

That is a catch Thanks again Giuseppe

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