单项选择题
Which of the following would BEST protect hardware from dust and ESD when storing it for futureusage?（）
A. Air filter
B. Anti-static bags
C. Compressed air
D. Paper bag
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Which of the following network devices uses NAT to convert private IP addresses into public IPaddresses?（）
A.NAS
B.Firewall
C.Hub
D.Bridge -
单项选择题
Which of the following ports is used for HTTPS traffic by default?（）
A.80
B.143
C.443
D.8080 -
单项选择题
Which of the following ports is used by default for IMAP traffic?（）
A.53
B.110
C.143
D.443
