SMTP
Telnet
FTP
DNS
第1题:
A.NNTP
B.NTP
C.TFTP
D.FTP
第2题:
A.TCP 53
B.UDP 67
C.UDP 123
D.TCP 25
第3题:
Which one of the following protocols uses both UDP and TCP ports for the transport layer operation?
A.FTP
B.TFTP
C.SMTP
D.Telnet
E.DNS
第4题:
Which of the following protocols utilize UDP as the layer 4 transport mechanism?()
第5题:
A.TCP502
B.TCP514
C.TCP520
D.UDP502
E.UDP514
F.UDP520
第6题:
A.FTP
B.SFTP
C.SMTP
D.TFTP
第7题:
A. FTP
B. SMTP
C. Telnet
D. DNS
E. All of the above
第8题:
A.Telnet
B.TCP
C.SNMP
D.UDP
第9题:
Which of the following protocols use both TCP and UDP ports?()
第10题:
Which one of the following protocols uses both UDP and TCP ports for the transport layer operation?()