SMTP
Telnet
FTP
DNS
第1题:
A.TCP 53
B.UDP 67
C.UDP 123
D.TCP 25
第2题:
A.TCP502
B.TCP514
C.TCP520
D.UDP502
E.UDP514
F.UDP520
第3题:
Which of the following protocols utilize UDP as the layer 4 transport mechanism?()
第4题:
Which of these ports does syslog use to send messages to a syslog server?()
第5题:
Which of these ports does syslog use to send messages to a syslog server?()
第6题:
Which of the following protocols can be found at the application layer?()
第7题:
Which of the following routing protocols is a link state and uses a backbone called area 0?()
第8题:
Which of the following protocols uses UDP to transfer files?()
第9题:
A zone transfer occurs over which of the following ports?()
第10题:
SMTP
Telnet
FTP
DNS
第11题:
FTP
SMTP
Telnet
DNS
All of the above
第12题:
SMTP
HTTP
HTTPS
FTP
第13题:
A. FTP
B. SMTP
C. Telnet
D. DNS
E. All of the above
第14题:
Which of the following protocols use both TCP and UDP ports?()
第15题:
Which one of the following protocols uses both UDP and TCP ports for the transport layer operation?()
第16题:
Which two ports are used with RADIUS authentication and authorization?()
第17题:
Which of the following protocols utilize TCP?()
第18题:
Which of the following protocols is used to disable switch ports automatically to prevent switchingloops?()
第19题:
Which of the following protocols is used by thin clients?()
第20题:
Which of the following protocols uses port 119, by default?()
第21题:
TACACS
Telnet
SMTP
SNMP
HTTP
TFTP
第22题:
FTP
TFTP
SMTP
Telnet
DNS
第23题:
TCP 502
TCP 514
TCP 520
UDP 502
UDP 514
UDP 520
第24题:
NTP
NNTP
SMTP
SNMP
HTTPS
TFTP