221.17.101.223/28 is an example of which kind of notation?()
A、ARP
B、CIDR
C、DNS
D、Port Number
A、ARP
B、CIDR
C、DNS
D、Port Number
A、access-list 101 permit tcp any 172.17.18.252 0.0.0.0 eq 80 B、access-list 1 permit tcp any 172.17.17.252 0.0.0.0 eq 23 C、access-list 101 permit tcp 172.17.17.252 0.0.0.0 any eq 23 D、access-list 101 deny tcp any 172.17.17.252 0.0.0.0 eq 23 E、access-list 101 deny tcp any 172.17.18.252 0.0.0.0 eq 80 F、access-list 101 permit tcp any 172.17.17.252 0.0.0.0 eq 23