21
23
80
443
第1题：
A.SFTP
B.FTP
C.HTTP
D.HTTPS
第2题：
A technician recently installed a new firewall. Which of the following ports must be open to permit HTTPS traffic?（）
第3题：
A.80
B.143
C.443
D.8080
第4题：
Which of the following ports is the default for HTTP?（）
第5题：
Which of the following command line utilities can Karen, a technician, use to check for open ports?（）
第6题：
A technician has lost a necessary jumper for a new hard drive that must be installed immediately.Which of the following is the BEST solution?（）
第7题：
Traffic coming across port 443 is for which of the following protocols?（）
第8题：
A.53
B.110
C.143
D.443
第9题：
Which of the following ports is used for HTTPS traffic by default?（）
第10题：
Which of the following ports is used by default for IMAP traffic?（）