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Computer Networks
Acl
Q
Which set of things will be taken into account in order to filter the packets in an extended access list?
AA. Source ip address and destination ip address
BB. Source ip address, protocol and port number
CC. Source ip address
DD. Source ip address, protocol, port number and destination ip address
Correct Answer:
D. D. Source ip address, protocol, port number and destination ip address
Explanation:
In standard access list, only a destination IP address is used to filter, but in extended access list, source and destination IP address, protocol and port number are used. More specifications in packet filtering make extended access lists more sophisticated and advanced in security.
