單項選擇題

A technician recently installed a new firewall. Which of the following ports must be open to permit HTTPS traffic?（）

A.21
B.23
C.80
D.443

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單項選擇題

Which of the following locations would hold a user’s documents and data in Windows XP?（）

A. C:\Program Files\Users\%username&
B. C:\Documents and Settings\%username%
C. C:\Users\%username%
D. C:\Users\Documents and Settings\%username%

單項選擇題

Which of the following commands would MOST likely be used to see where a loss of connectivity between two devices on a network is located?（）

A.tracert
B.netstat
C.nslookup
D.ping