Exam 200-301 topic 1 question 635 discussion

Actual exam question from Cisco's 200-301

Question #: 635
Topic #: 1

Refer to the exhibit. A network engineer must block access for all computers on VLAN 20 to the web server via HTTP. All other computers must be able to access the web server. Which configuration when applied to switch A accomplishes the task?
A.

B.

C.

D.

Show Suggested Answer

Suggested Answer: D

by Ali526 at Feb. 4, 2021, 8:03 p.m.

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Ali526

Highly Voted 4 years ago

Sorry, D is correct, but not the best way to address this.

upvoted 22 times

Belinda

2 years, 11 months ago

Thanks

upvoted 2 times

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ZayaB

Highly Voted 3 years, 11 months ago

I agree with you Ali526. Not a good way to implement this ACL.

upvoted 8 times

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damianooo

Most Recent 1 year, 3 months ago

VALC is not in CCNA!

upvoted 4 times

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Elmasquentona963

1 year, 4 months ago

Key point: ACLs filters traffic in sequencial order (from the 1st statemet to the last). So answer = D If you permit all traffic on the 1st statement, the ACL will never filter anything (it's like it doesn't exist).

upvoted 2 times

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dave1992

3 years, 2 months ago

if were blocking all traffic in vlan 20. would the acl include .20 and not .30???

upvoted 6 times

bitree

2 years, 9 months ago

you could specify the source addressed with the specific range instead of 'any' but it's not necessary since only vlan 20 is off that interface. 'any' suffices. It is not a typo because the .30 is where the destination address is.

upvoted 3 times

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Aleks123

3 years, 1 month ago

Hey Dave I believe its a typo your right!

upvoted 3 times

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