CCNA - Another access list question

Author

Another access list question

repentantvoter

2004-04-25, 6:46 pm

Hey guys! I got this practice question:

Which of the following commands is the correct syntax to create an IP access list permitting only traffic from 192.168.1.0/24 to 172.16.0.0/16?

1. access-list 124 permit ip 172.16.0.0 255.255.0.0192.168.1.0 255.255.255.0
2. access-list 124 permit ip 192.168.1.0 0.0.0.255 172.16.0.0 0.0.255.255
3. access-list 124 permit ip 192.168.1.0 255.255.255.0 172.16.0.0 255.255.0.0
4. access-list 124 permit ip 172.16.0.0 0.0.255.255 192.168.1.0 0.0.0.255

I thought 2 is the right answer, but they say 4 is right. How come?

repentantvoter

2004-04-25, 9:21 pm

Anybody???

Gaulty

2004-04-26, 3:33 am

I 'd agree with you, 2 looks good to me too.
Can anybody explain if we are both wrong?

larkspur

2004-04-26, 11:25 pm

got me
it's an extended acl so that means source than destination and Wildcards look good.

HMMMM!!!!

Sometimes answers to test ?'s are wrong.

repentantvoter

2004-04-27, 10:25 am

Thank you very much for your answers Mr. Gaulty and Mr. larkspur! I have contacted the person who wrote the practice test, and he confirmed that my answer was good

and his answer was bad

and he said he will make the necessary corections in the practice test.

Most exciting!!

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