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The command "access-list 102 deny tcp any any eq 23" is issued on a router. What protocol will this ACL statement filter?
All TCP/IP Protocols
TFTP
Telnet
All TCP/IP protocols except Telnet
SFTP
FTP
The number 23 at end of the ACL command is the port number for Telnet. The "eq" keyword means "equal to", so the statement explicitly will filter the traffic that uses port 23 (Telnet),and because of implicitly deny on the end statement,all other protocols will be denied too.
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