单项选择题
Which of the following is the default HTTPS port?（）
A.25
B.80
C.110
D.443
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单项选择题
Which type of connector is required for a coaxial network cable?（）
A.RJ-11
B.Tokenring
C.BNC
D.RJ-45 -
单项选择题
A user received an email from their bank asking them to login and verify their personal information.The user complies and fills in the requested information. Days later the user notices their checking account is empty. This is a result of which of the following?（）
A. Spam
B. Phishing
C. Adware
D. A Trojan -
单项选择题
Which of the following is a characteristic of a serial I/O port?（）
A. RJ-11 connector
B. DB-15 connector
C. DB-9 connector
D. RJ-45 connector
