21
25
80
110
第1题:
A.21
B.25
C.80
D.110
E.123
第2题:
Which of the following is the default SMTP port?()
第3题:
HTTP的预设连接埠(port)之值为何?()
第4题:
Which of the following ports is the default for HTTP?()
第5题:
Which of the following ports is used by default for IMAP traffic?()
第6题:
Which of the following ports can Mike, a technician, use with an IP address to test FTPconnectivity?()
第7题:
Which of the following ports does POP3 services use, by default?()
第8题:
Which of the following protocols uses port 443 by default?()
第9题:
Which of the following ports is the default telnet port?()
第10题:
53
110
143
443
第11题:
21
25
80
110
123
第12题:
21
25
80
110
第13题:
A technician recently installed a new firewall. Which of the following ports must be open to permit HTTPS traffic?()
第14题:
SMTP连接服务器使用端口()
第15题:
SMTP连接服务器使用端口是()。
第16题:
Which of the following ports should be allowed through a firewall for Telnet to function?()
第17题:
Which of the following default ports must be opened to allow a technician to telnet into a machine?()
第18题:
Which of the following ports does a telnet application utilize?()
第19题:
By default, which of the following ports would a network need to have opened to allow for thetransmission of incoming and outgoing email?() (Select TWO).
第20题:
Which of the following ports are used by default for web servers? ()(Select TWO)
第21题:
80
143
443
8080
第22题:
21
23
80
443
第23题:
20
21
22
23
第24题:
25
110
143
443