Which set of access control entries most specifically allows all users on the 19

Question

Which set of access control entries most specifically allows all users on the 192.168.20.0/24 network to web browse to the single web server located at 172.17.84.1 and would prevent telnet access to any external network?

a) access-list 104 permit tcp 192.168.20.0 0.0.0.255 host 172.17.84.1 eq 80

access-list 104 deny tcp 192.168.20.0 0.0.0.255 any eq 23

b) access-list 104 permit 192.168.20.0 0.0.0.255 host 172.17.84.1

access-list 104 deny tcp 192.168.20.0 0.0.0.255 any eq telnet

c) access-list 104 permit tcp 192.168.20.0 0.0.0.255 any eq 80

access-list 104 deny tcp 192.168.20.0 0.0.0.255 any eq 23

d) access-list 104 deny tcp host 192.168.20.0 any eq 23

access-list 104 permit tcp host 192.168.20.1 eq 80

Explanation / Answer

Q )Which set of access control entries most specifically allows all users on the 192.168.20.0/24 network to web browse to the single web server located at 172.17.84.1 and would prevent telnet access to any external network?

Ans) access-list 104 permit tcp 192.168.20.0 0.0.0.255 host 172.17.84.1 eq 80

        access-list 104 deny tcp 192.168.20.0 0.0.0.255 any eq 23

Explanation:-

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