多选题An inbound access list has been configured on a serial interface to deny packet entry for TCP and UDP ports 21, 23 and 25. What types of packets will be permitted by this ACL? （）AFTPBTelnetCSMTPDDNSEHTTPFPOP3
多选题
An inbound access list has been configured on a serial interface to deny packet entry for TCP and UDP ports 21, 23 and 25. What types of packets will be permitted by this ACL? （）
A
FTP
B
Telnet
C
SMTP
D
DNS
E
HTTP
F
POP3
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